Control options for neospora caninum-Is there anything new or are we going backwards?

Parasitology

Volumn 141, Issue 11, 2014, Pages 1455-1470

  Reichel, Michael P ^a,b   McAllister, Milton M ^a   Pomroy, William E ^c   Campero, Carlos ^d   Ortega Mora, Luis M ^e   Ellis, John T ^b  

^a UNIVERSITY OF ADELAIDE   (Australia)

^b UNIVERSITY OF TECHNOLOGY SYDNEY   (Australia)

^c MASSEY UNIVERSITY   (New Zealand)

^d INSTITUTO NACIONAL DE TECNOLOGÍA AGROPECUARIA INTA   (Argentina)

^e UNIVERSIDAD COMPLUTENSE DE MADRID   (Spain)

Author keywords

Cattle; Control; Economics; Neospora caninum

Indexed keywords

CLINDAMYCIN; LIVE VACCINE; MONENSIN; SULFADIAZINE; TOLTRAZURIL; COCCIDIOSTATIC AGENT; PROTOZOON ANTIBODY;

BELGIUM; BOVIDS; BOVINE VIRAL DIARRHEA; BREEDING; CATTLE DISEASE; CLINICAL FEATURE; CONCURRENT INFECTION; CONFERENCE PAPER; CONGENITAL INFECTION; DOG DISEASE; DOMESTIC ANIMAL; ECONOMIC ASPECT; EMBRYO TRANSFER; IMMUNOGENICITY; INFECTION CONTROL; INFECTION PREVENTION; INFECTIOUS BOVINE RHINOTRACHEITIS; LIFE CYCLE; NEOSPORA CANINUM; NEOSPOROSIS; NETHERLANDS; NONHUMAN; PARASITE CONTROL; PARASITE TRANSMISSION; PORTUGAL; PRIORITY JOURNAL; PROTOZOAL INFECTION; RISK FACTOR; SEROPREVALENCE; SPAIN; SWITZERLAND; TOXOPLASMOSIS; VACCINATION; VERTICAL TRANSMISSION; VETERINARY ABORTION; WATER SUPPLY; WILDLIFE; ABORTION; ANIMAL DISEASE; BEEF CATTLE; DAIRY CATTLE; PREGNANCY; REVIEW; STRAY DOG; ABORTION, VETERINARY; ANIMAL; BLOOD; BOVINAE; CATTLE DISEASES; COCCIDIOSIS; FEMALE; IMMUNOLOGY; LIFE CYCLE STAGE; NEOSPORA; PARASITOLOGY; TRANSMISSION; VETERINARY;

BOS; NEOSPORA CANINUM;

ABORTION, VETERINARY; ANIMALS; ANTIBODIES, PROTOZOAN; CATTLE; CATTLE DISEASES; COCCIDIOSIS; FEMALE; LIFE CYCLE STAGES; NEOSPORA; PREGNANCY;

EID: 84904763953     PISSN: 00311820     EISSN: 14698161     Source Type: Journal    
DOI: 10.1017/S0031182014000158     Document Type: Conference Paper

References (177)

1. Andreotti, R., Oliveira, J. M., Silva, E. A., Oshiro, L. M. and Matos Mde, F. (2006). Occurrence of Neospora caninum in dogs and its correlation with visceral leishmaniasis in the urban area of Campo Grande, Mato Grosso do Sul, Brazil. Veterinary Parasitology 135, 375-379. doi: 10.1016/ j.vetpar.2005.10. 011.
2. Atkinson, R. A., Cook, R.W., Reddacliff, L. A., Rothwell, J., Broady, K.W., Harper, P. and Ellis, J. T. (2000). Seroprevalence of Neospora caninum infection following an abortion outbreak in a dairy cattle herd. Australian Veterinary Journal 78, 262-266.
3. Baillargeon, P., Fecteau, G., Paré, J., Lamothe, P. and Sauve, R. (2001). Evaluation of the embryo transfer procedure proposed by the International Embryo Transfer Society as a method of controlling vertical transmission of Neospora caninum in cattle. Journal of the American Veterinary Medical Association 218, 1803-1806.
4. Baker, D. G., Morishita, T. Y., Brooks, D. L., Shen, S. K., Lindsay,D. S. and Dubey, J. P. (1995). Experimental oral inoculations in birds to evaluate potential definitive hosts of Neospora caninum. Journal of Parasitology 81, 783-785.
5. Banales, P., Fernandez, L., Repiso, M. V., Gil, A., Dargatz, D. A. and Osawa, T. (2006). A nationwide survey on seroprevalence of Neospora caninum infection in beef cattle in Uruguay. Veterinary Parasitology 139, 15-20.
6. Barber, J. S. and Trees, A. J. (1996). Clinical aspects of 27 cases of neosporosis in dogs. Veterinary Record 139, 439-443.
7. Barber, J. S., Gasser, R. B., Ellis, J., Reichel, M. P., McMillan, D. and Trees, A. J. (1997). Prevalence of antibodies to Neospora caninum in different canid populations. Journal of Parasitology 83, 1056-1058.
8. Barling, K. S., Sherman, M., Peterson, M. J., Thompson, J. A., McNeill, J.W., Craig, T. M. and Adams, L. G. (2000). Spatial associations among density of cattle, abundance of wild canids, and seroprevalence to Neospora caninum in a population of beef calves. Journal of the American Veterinary Medical Association 217, 1361-1365.
9. Barling, K. S., McNeill, J.W., Paschal, J. C., McCollum, F. T., Craig, T. M., Adams, L. G. and Thompson, J. A. (2001). Ranchmanagement factors associated with antibody seropositivity for Neospora caninum in consignments of beef calves in Texas, USA. Preventive Veterinary Medicine 52, 53-61.
10. Barnes, T. S., Deplazes, P., Gottstein, B., Jenkins, D. J., Mathis, A., Siles-Lucas, M., Torgerson, P. R., Ziadinov, I. and Heath, D. D. (2012). Challenges for diagnosis and control of cystic hydatid disease. Acta Tropica 123, 1-7. doi: 10.1016/j.actatropica.2012.02.066.
11. Barr, B. C., Anderson, M. L., Woods, L.W., Dubey, J. P. and Conrad, P. A. (1992). Neospora-like protozoal infections associated with abortion in goats. Journal of Veterinary Diagnostic Investigation 4, 365-367.
12. Barr, B. C., Conrad, P. A., Breitmeyer, R., Sverlow, K., Anderson, M. L., Reynolds, J., Chauvet, A. E., Dubey, J. P. and Ardans, A. A. (1993). Congenital Neospora infection in calves born from cows that had previously aborted Neospora-infected fetuses: four cases (1990-1992). Journal of the American Veterinary Medical Association 202, 113-117.
13. Barratt, J., Al Qassab, S., Reichel, M. P. and Ellis, J. T. (2008). The development and evaluation of a nested PCR assay for detection of Neospora caninum and Hammondia heydorni in feral mouse tissues. Molecular and Cellular Probes 22, 228-233. doi: 10.1016/j.mcp.2008.03.001.
14. Bartels, C. J., Wouda, W. and Schukken, Y. H. (1999). Risk factors for Neospora caninum-associated abortion storms in dairy herds in the Netherlands (1995 to 1997). Theriogenology 52, 247-257. doi: 10.1016/ S0093-691X(99)00126-0.
15. Bartels, C. J., Arnaiz-Seco, J. I., Ruiz-Santa-Quitera, A., Björkman, C., Frössling, J., von Blumroder, D., Conraths, F. J., Schares, G., van Maanen, C., Wouda, W. and Ortega-Mora, L. M. (2006). Supranational comparison of Neospora caninum seroprevalences in cattle in Germany, the Netherlands, Spain and Sweden. Veterinary Parasitology 137, 17-27.
16. Bartels, C. J., Huinink, I., Beiboer, M. L., van Schaik, G., Wouda, W., Dijkstra, T. and Stegeman, A. (2007). Quantification of vertical and horizontal transmission of Neospora caninum infection in Dutch dairy herds. Veterinary Parasitology 148, 83-92. doi: 10.1016/j.vetpar.2007.06.004.
17. Basso, W., Venturini, L., Venturini, M. C., Moore, P., Rambeau, M., Unzaga, J. M., Campero, C., Bacigalupe, D. and Dubey, J. R. (2001). Prevalence of Neospora caninum infection in dogs from beef-cattle farms, dairy farms, and from urban areas of Argentina. Journal of Parasitology 87, 906-907.
18. Bingham, P., Rawdon, T. and Watts, J. (2012). Animal Health Surveillance. Surveillance 39, 15-19.
19. Bishop, S., King, J., Windsor, P., Reichel, M. P., Ellis, J. and Slapeta, J. (2010). The first report of ovine cerebral neosporosis and evaluation of Neospora caninum prevalence in sheep in New South Wales. Veterinary Parasitology 170, 137-142. doi: 10.1016/j.vetpar.2010.01.030.
20. Bjerkås, I., Mohn, S. F. and Presthus, J. (1984). Unidentified cystforming sporozoon causing encephalomyelitis and myositis in dogs. Zeitschrift für Parasitenkunde 70, 271-274.
21. Björkman, C., McAllister, M. M., Frössling, J., Naslund, K., Leung, F. and Uggla, A. (2003). Application of the Neospora caninum IgG avidity ELISA in assessment of chronic reproductive losses after an outbreak of neosporosis in a herd of beef cattle. Journal of Veterinary Diagnostic Investigation 15, 3-7.
22. Campero, C. M., Moore, D. P., Lagomarsino, H., Odeon, A. C., Castro, M. and Visca, H. (2003). Serological status and abortion rate in progeny obtained by natural service or embryo transfer from Neospora caninum-seropositive cows. Journal of Veterinary Medicine. B: Infectious Diseases and Veterinary Public Health 50, 458-460.
23. Cantaloube, A. C. (2010). Las ADS en Europa. In Proceedings of Congreso Nacional de veterinarios de ADSG de ruminates. Asociación de Veterinarios de ADS de Vacuno de Asturias, Oviedo, Spain.
24. Cavalcante, G. T., Monteiro, R. M., Soares, R. M., Nishi, S. M., Alves Neto, A. F., Esmerini Pde, O., Sercundes, M. K., Martins, J. and Gennari, S. M. (2011). Shedding of Neospora caninum oocysts by dogs fed different tissues from naturally infected cattle. Veterinary Parasitology 179, 220-223. doi: 10.1016/j.vetpar.2011.02.026.
25. Choromanski, L. and Block, W. (2000). Humoral immune responses and safety of experimental formulations of inactivated Neospora vaccines. Parasitology Research 86, 851-853.
26. Collantes-Fernandez, E., Gomez-Bautista, M., Miro, G., Alvarez-Garcia, G., Pereira-Bueno, J., Frisuelos, C. and Ortega-Mora, L. M. (2008). Seroprevalence and risk factors associated with Neospora caninum infection in different dog populations in Spain. Veterinary Parasitology 152, 148-151. doi: 10.1016/j.vetpar.2007.12.005.
27. Conraths, F. J. and Ortega-Mora, L. M. (2005). Options for control of protozoal abortion in ruminants: practical experience. Conclusions. In 20th International Conference of the World Association for the Advancement of Veterinary Parasitology. WAAVP, Christchurch, New Zealand.
28. Corbellini, L. G., Smith, D. R., Pescador, C. A., Schmitz, M., Correa, A., Steffen, D. J. and Driemeier, D. (2006). Herd-level risk factors for Neospora caninum seroprevalence in dairy farms in southern Brazil. Preventive Veterinary Medicine 74, 130-141.
29. Costa, K. S., Santos, S. L., Uzeda, R. S., Pinheiro, A. M., Almeida, M. A., Araujo, F. R., McAllister, M. M. and Gondim, L. F. (2008). Chickens (Gallus domesticus) are natural intermediate hosts of Neospora caninum. International Journal for Parasitology 38, 157-159. doi: 10.1016/j.ijpara.2007.10.008.
30. Cox, B. T., Reichel, M. P. and Griffiths, L.M. (1998). Serology of a Neospora abortion outbreak on a dairy farm in New Zealand: a case study. New Zealand Veterinary Journal 46, 28-31. doi: 10.1080/ 00480169.1998.36046.
31. Cruz-Vazquez, C., Medina-Esparza, L., Marentes, A., Morales-Salinas, E. and Garcia-Vazquez, Z. (2008). Seroepidemiological study of Neospora caninum infection in dogs found in dairy farms and urban areas of Aguascalientes, Mexico. Veterinary Parasitology 157, 139-143. doi: 10.1016/j.vetpar.2008.07.004.
32. Davison, H. C., French, N. P. and Trees, A. J. (1999a). Herd-specific and age-specific seroprevalence of Neospora caninum in 14 British dairy herds. Veterinary Record 144, 547-550.
33. Davison, H. C., Otter, A. and Trees, A. J. (1999b). Estimation of vertical and horizontal transmission parameters of Neospora caninum infections in dairy cattle. International Journal for Parasitology 29, 1683-1689.
34. Dijkstra, T., Barkema, H.W., Eysker, M. and Wouda, W. (2001a). Evidence of post-natal transmission of Neospora caninum in Dutch dairy herds. International Journal for Parasitology 31, 209-215.
35. Dijkstra, T., Eysker, M., Schares, G., Conraths, F. J., Wouda, W. and Barkema, H.W. (2001b). Dogs shed Neospora caninum oocysts after ingestion of naturally infected bovine placenta but not after ingestion of colostrum spiked with Neospora caninum tachyzoites. International Journal for Parasitology 31, 747-752.
36. Dijkstra, T., Barkema, H.W., Eysker, M., Hesselink, J.W. and Wouda, W. (2002a). Natural transmission routes of Neospora caninum between farm dogs and cattle. Veterinary Parasitology 105, 99-104.
37. Dijkstra, T., Barkema, H.W., Hesselink, J.W. and Wouda,W. (2002b). Point source exposure of cattle to Neospora caninum consistent with periods of common housing and feeding and related to the introduction of a dog. Veterinary Parasitology 105, 89-98.
38. Dijkstra, T., Bartels, C. J. M. and Wouda, W. (2005). Control of bovine neosporosis: experiences from the Netherlands. Session M. Diagnosis and control of protozoan-associated abortion in ruminants. In 20th International Conference of the World Association for the Advancement of Veterinary Parasitology. WAAVP, Christchurch, New Zealand.
39. Dubey, J. P. (1999). Recent advances in Neospora and neosporosis. Veterinary Parasitology 84, 349-367.
40. Dubey, J. P. and Schares, G. (2011). Neosporosis in animals-the last five years. Veterinary Parasitology 180, 90-108. doi: 10.1016/j.vetpar.2011.05.031.
41. Dubey, J. P., Hollis, K., Romand, S., Thulliez, P., Kwok, O. C., Hungerford, L., Anchor, C. and Etter, D. (1999). High prevalence of antibodies to Neospora caninum in white-tailed deer (Odocoileus virginianus). International Journal for Parasitology 29, 1709-1711.
42. Dubey, J. P., Buxton, D. and Wouda, W. (2006). Pathogenesis of bovine neosporosis. Journal of Comparative Pathology 134, 267-289.
43. Dubey, J. P., Schares, G. and Ortega-Mora, L. M. (2007). Epidemiology and control of neosporosis and Neospora caninum. Clinical Microbiology Reviews 20, 323-367. doi: 10.1128/CMR.00031-06.
44. Dubey, J. P., Stone, D., Kwok, O. C. and Sharma, R. N. (2008). Toxoplasma gondii and Neospora caninum antibodies in dogs from Grenada, West Indies. Journal of Parasitology 94, 750-751. doi: 10.1645/ GE-1496R.1.
45. Dubey, J. P., Jenkins, M. C., Rajendran, C., Miska, K., Ferreira, L. R., Martins, J., Kwok, O. C. and Choudhary, S. (2011). Gray wolf (Canis lupus) is a natural definitive host for Neospora caninum. Veterinary Parasitology 181, 382-387. doi: 10.1016/j.vetpar.2011.05.018.
46. Eiras, C., Arnaiz, I., Alvarez-Garcia, G., Ortega-Mora, L. M., Sanjuanl, M. L., Yus, E. and Dieguez, F. J. (2011). Neospora caninum seroprevalence in dairy and beef cattle from the northwest region of Spain, Galicia. Preventive Veterinary Medicine 98, 128-132. doi: 10.1016/j.prevetmed.2010.10.014.
47. Ferroglio, E., Pasino, M., Romano, A., Grande, D., Pregel, P. and Trisciuoglio, A. (2007). Evidence of Neospora caninum DNA in wild rodents. Veterinary Parasitology 148, 346-349. doi: 10.1016/j.vetpar.2007.06.031.
48. Figliuolo, L. P., Kasai, N., Ragozo, A. M., de Paula, V. S., Dias, R. A., Souza, S. L. and Gennari, S. M. (2004). Prevalence of anti-Toxoplasma gondii and anti-Neospora caninum antibodies in ovine from Sao Paulo State, Brazil. Veterinary Parasitology 123, 161-166.
49. French, N. P., Clancy, D., Davison, H. C. and Trees, A. J. (1999). Mathematical models of Neospora caninum infection in dairy cattle: transmission and options for control. International Journal for Parasitology 29, 1691-1704.
50. Frössling, J., Uggla, A. and Björkman, C. (2005). Prevalence and transmission of Neospora caninum within infected Swedish dairy herds. Veterinary Parasitology 128, 209-218.
51. Gasser, R. B., Edwards, G. and Cole, R. A. (1993). Neosporosis in a dog. Australian Veterinary Practitioner 23, 190-193.
52. Gennari, S. M., Rodrigues, A. A., Viana, R. B. and Cardoso, E. C. (2005). Occurrence of anti-Neospora caninum antibodies in water buffaloes (Bubalus bubalis) from the Northern region of Brazil. Veterinary Parasitology 134, 169-171.
53. Gondim, L. F. (2006). Neospora caninum in wildlife. Trends in Parasitology 22, 247-252. doi: 10.1016/j.pt.2006.03.008.
54. Gondim, L. F., Gao, L. and McAllister, M. M. (2002). Improved production of Neospora caninum oocysts, cyclical oral transmission between dogs and cattle, and in vitro isolation from oocysts. Journal of Parasitology 88, 1159-1163.
55. Gondim, L. F., McAllister, M. M., Anderson-Sprecher, R. C., Björkman, C., Lock, T. F., Firkins, L. D., Gao, L. and Fischer, W. R. (2004a). Transplacental transmission and abortion in cows administered Neospora caninum oocysts. Journal of Parasitology 90, 1394-1400.
56. Gondim, L. F., McAllister, M. M., Mateus-Pinilla, N. E., Pitt, W. C., Mech, L. D. and Nelson, M. E. (2004b). Transmission of Neospora caninum between wild and domestic animals. Journal of Parasitology 90, 1361-1365.
57. Gondim, L. F., McAllister, M. M., Pitt, W. C. and Zemlicka, D. E. (2004c). Coyotes (Canis latrans) are definitive hosts of Neospora caninum. International Journal for Parasitology 34, 159-161.
58. Gondim, L. F., McAllister, M. M. and Gao, L. (2005). Effects of host maturity and prior exposure history on the production of Neospora caninum oocysts by dogs. Veterinary Parasitology 134, 33-39.
59. Guarino, A., Fusco, G., Savini, G., Di Francesco, G. and Cringoli, G. (2000). Neosporosis in water buffalo (Bubalus bubalis) in Southern Italy. Veterinary Parasitology 91, 15-21.
60. Hall, C. A., Reichel, M. P. and Ellis, J. T. (2005). Neospora abortions in dairy cattle: diagnosis, mode of transmission and control. Veterinary Parasitology 128, 231-241. doi: 10.1016/j.vetpar.2004.12.012.
61. Hall, C. A., Reichel, M. P. and Ellis, J. T. (2006). Prevalence of Neospora caninum infection in Australian (NSW) dairy cattle estimated by a newly validated ELISA for milk. Veterinary Parasitology 142, 173-178. doi: 10.1016/j.vetpar.2006.06.019.
62. Häsler, B., Regula, G., Stärk, K. D., Sager, H., Gottstein, B. and Reist, M. (2006). Financial analysis of various strategies for the control of Neospora caninum in dairy cattle in Switzerland. Preventive Veterinary Medicine 77, 230-253. doi: 10.1016/j.prevetmed.2006.07.006.
63. Hecker, Y. P., Moore, D. P., Manazza, J. A., Unzaga, J. M., Spath, E. J., Pardini, L. L., Venturini, M. C., Roberi, J. L. and Campero, C. M. (2013a). First report of seroprevalence of Toxoplasma gondii and Neospora caninum in dairy sheep from Humid Pampa, Argentina. Tropical Animal Health and Production 45, 1645-1647. doi: 10.1007/s11250-013-0396-1.
64. Hecker, Y. P., Moore, D. P., Quattrocchi, V., Regidor-Cerrillo, J., Verna, A., Leunda, M. R., Morrell, E., Ortega-Mora, L. M., Zamorano, P., Venturini, M. C. and Campero, C. M. (2013b). Immune response and protection provided by live tachyzoites and native antigens from the NC-6 Argentina strain of Neospora caninum in pregnant heifers. Veterinary Parasitology 197, 436-446. doi: 10.1016/j.vetpar.2013.07.027.
65. Hemphill, A. and Gottstein, B. (2000). A European perspective on Neospora caninum. International Journal for Parasitology 30, 877-924.
66. Hemphill, A., Debache, K., Monney, T., Schorer, M., Guionaud, C., Alaeddine, F., Mueller, N. and Mueller, J. (2013). Proteins mediating the Neospora caninum-host cell interaction as targets for vaccination. Front Biosci (Elite Ed) 5, 23-36.
67. Hietala, S. K. and Thurmond, M. C. (1999). Postnatal Neospora caninum transmission and transient serologic responses in two dairies. International Journal for Parasitology 29, 1669-1676.
68. Hobson, J. C., Duffield, T. F., Kelton, D., Lissemore, K., Hietala, S. K., Leslie, K. E., McEwen, B. and Peregrine, A. S. (2005). Risk factors associated with Neospora caninum abortion in Ontario Holstein dairy herds. Veterinary Parasitology 127, 177-188.
69. Hornok, S., Edelhofer, R., Fok, E., Berta, K., Fejes, P., Repasi, A. and Farkas, R. (2006). Canine neosporosis in Hungary: screening for seroconversion of household, herding and stray dogs. Veterinary Parasitology 137, 197-201.
70. Huang, C. C., Yang, C. H., Watanabe, Y., Liao, Y. K. and Ooi, H. K. (2004). Finding of Neospora caninum in the wild brown rat (Rattus norvegicus). Veterinary Research 35, 283-290.
71. Innes, E. A., Buxton, D., Maley, S., Wright, S., Marks, J., Esteban, I., Rae, A., Schock, A. and Wastling, J. (2000). Neosporosis. Aspects of epidemiology and host immune response. Annals of the New York Academy of Sciences 916, 93-101.
72. Innes, E. A., Andrianarivo, A. G., Björkman, C., Williams, D. J. and Conrad, P. A. (2002). Immune responses to Neospora caninum and prospects for vaccination. Trends in Parasitology 18, 497-504.
73. Jenkins, M. C., Caver, J. A., Björkman, C., Anderson, T. C., Romand, S., Vinyard, B., Uggla, A., Thulliez, P. and Dubey, J. P. (2000). Serological investigation of an outbreak of Neospora caninumassociated abortion in a dairy herd in southeastern United States. Veterinary Parasitology 94, 17-26.
74. Jenkins, M. C., Parker, C., Hill, D., Pinckney, R. D., Dyer, R. and Dubey, J. P. (2007). Neospora caninum detected in feral rodents. Veterinary Parasitology 143, 161-165. doi: 10.1016/j.vetpar.2006.08.011.
75. Kim, J. H., Kang, M. S., Lee, B. C., Hwang,W. S., Lee, C.W., So, B. J., Dubey, J. P. and Kim, D. Y. (2003). Seroprevalence of antibodies to Neospora caninum in dogs and raccoon dogs in Korea. Korean Journal of Parasitology 41, 243-245.
76. King, J. S., Šlapeta, J., Jenkins, D. J., Al-Qassab, S. E., Ellis, J. T. and Windsor, P. A. (2010). Australian dingoes are definitive hosts of Neospora caninum. International Journal for Parasitology 40, 945-950. doi: 10.1016/ j.ijpara.2010.01.008.
77. King, J. S., Jenkins, D. J., Ellis, J. T., Fleming, P., Windsor, P. A. and Šlapeta, J. (2011a). Implications of wild dog ecology on the sylvatic and domestic life cycle of Neospora caninum in Australia. Veterinary Journal 188, 24-33. doi: 10.1016/j.tvjl.2010.03.002.
78. King, J. S., McAllan, B., Spielman, D. S., Lindsay, S. A., Hurkova-Hofmannova, L., Hartigan, A., Al-Qassab, S. E., Ellis, J. T. and Šlapeta, J. (2011b). Extensive production of Neospora caninum tissue cysts in a carnivorous marsupial succumbing to experimental neosporosis. Veterinary Research 42, 75. doi: 10.1186/1297-9716-42-75.
79. King, J. S., Brown, G. K., Jenkins, D. J., Ellis, J. T., Fleming, P. J., Windsor, P. A. and Šlapeta, J. (2012). Oocysts and high seroprevalence of Neospora caninum in dogs living in remote Aboriginal communities and wild dogs in Australia. Veterinary Parasitology 187, 85-92. doi: 10.1016/ j.vetpar.2011.12.027.
80. Kritzner, S., Sager, H., Blum, J., Krebber, R., Greif, G. and Gottstein, B. (2002). An explorative study to assess the efficacy of Toltrazuril-sulfone (Ponazuril) in calves experimentally infected with Neospora caninum. Annals of Clinical Microbiology and Antimicrobials 1, 4.
81. Kyaw, T., Virakul, P., Muangyai, M. and Suwimonteerabutr, J. (2004). Neospora caninum seroprevalence in dairy cattle in central Thailand. Veterinary Parasitology 121, 255-263.
82. Landmann, J. K., Jillella, D., O'Donoghue, P. J. and McGowan, M. R. (2002). Confirmation of the prevention of vertical transmission of Neospora caninum in cattle by the use of embryo transfer. Australian Veterinary Journal 80, 502-503.
83. Landmann, J. K., Gunn, A. A., O'Donoghue, P. J., Tranter, W. P. and McGowan, M. R. (2011). Epidemiology and impact of Neospora caninum infection in three Queensland tropical dairy herds. Reproduction in Domestic Animals 46, 734-737. doi: 10.1111/j.1439-0531.2010.01712.x.
84. Lanyon, S. R., Hill, F. I., Reichel, M. P. and Brownlie, J. (2014). Bovine viral diarrhoea: pathogenesis and diagnosis. Veterinary Journal 199, 201-209. dx.doi.org/10.1016/j.tvjl.2013.07.024.
85. Liddell, S., Jenkins, M. C., Collica, C. M. and Dubey, J. P. (1999). Prevention of vertical transfer of Neospora caninum in BALB/c mice by vaccination. Journal for Parasitology 85, 1072-1075.
86. Lindsay, D. S. and Dubey, J. P. (1989). Evaluation of anti-coccidial drugs' inhibition of Neospora caninum development in cell cultures. Journal of Parasitology 75, 990-992.
87. Lindsay, D. S. and Dubey, J. P. (1990). Effects of sulfadiazine and amprolium on Neospora caninum (Protozoa: Apicomplexa) infections in mice. Journal of Parasitology 76, 177-179.
88. Lindsay, D. S., Butler, J. M., Rippey, N. S. and Blagburn, B. L. (1996). Demonstration of synergistic effects of sulfonamides and dihydrofolate reductase/thymidylate synthase inhibitors against Neospora caninum tachyzoites in cultured cells, and characterization of mutants resistant to pyrimethamine. American Journal of Veterinary Research 57, 68-72.
89. Lindsay, D. S., Butler, J. M. and Blagburn, B. L. (1997). Efficacy of decoquinate against Neospora caninum tachyzoites in cell cultures. Veterinary Parasitology 68, 35-40.
90. Lindsay, D. S., Little, S. E. and Davidson, W. R. (2002). Prevalence of antibodies to Neospora caninum in white-tailed deer, Odocoileus virginianus, from the southeastern United States. Journal of Parasitology 88, 415-417.
91. Mainar-Jaime, R. C., Thurmond, M. C., Berzal-Herranz, B. and Hietala, S. K. (1999). Seroprevalence of Neospora caninum and abortion in dairy cows in northern Spain. Veterinary Record 145, 72-75.
92. Mansilla, F. C., Franco-Mahecha, O. L., Lavoria, M. A., Moore, D. P., Giraldez, A. N., Iglesias, M. E., Wilda, M. and Capozzo, A. V. (2012). The immune enhancement of a novel soy lecithin/beta-glucans based adjuvant on native Neospora caninum tachyzoite extract vaccine in mice. Vaccine 30, 1124-1131. doi: 10.1016/j.vaccine.2011.12.007.
93. McAllister, M. M., Huffman, E. M., Hietala, S. K., Conrad, P. A., Anderson, M. L. and Salman,M. D. (1996). Evidence suggesting a point source exposure in an outbreak of bovine abortion due to neosporosis. Journal of Veterinary Diagnostic Investigation 8, 355-357.
94. McAllister, M. M., Dubey, J. P., Lindsay, D. S., Jolley, W. R., Wills, R. A. and McGuire, A. M. (1998). Dogs are definitive hosts of Neospora caninum. International Journal for Parasitology 28, 1473-1478.
95. McAllister, M. M., Björkman, C., Anderson-Sprecher, R. and Rogers, D. G. (2000). Evidence of point-source exposure to Neospora caninum and protective immunity in a herd of beef cows. Journal of the American Veterinary Medical Association 217, 881-887.
96. McCann, C. M., McAllister, M. M., Gondim, L. F., Smith, R. F., Cripps, P. J., Kipar, A., Williams, D. J. and Trees, A. J. (2007). Neospora caninum in cattle: experimental infection with oocysts can result in exogenous transplacental infection, but not endogenous transplacental infection in the subsequent pregnancy. International Journal for Parasitology 37, 1631-1639. doi: 10.1016/j.ijpara.2007. 05.012.
97. McGarry, J.W., Stockton, C. M., Williams, D. J. and Trees, A. J. (2003). Protracted shedding of oocysts of Neospora caninum by a naturally infected foxhound. Journal of Parasitology 89, 628-630.
98. McGuire, A. M., McAllister, M., Wills, R. A. and Tranas, J. D. (1999). Experimental inoculation of domestic pigeons (Columbia livia) and zebra finches (Poephila guttata) with Neospora caninum tachyzoites. International Journal for Parasitology 29, 1525-1529.
99. McInnes, L. M., Ryan, U. M., O'Handley, R., Sager, H., Forshaw, D. and Palmer, D. G. (2006). Diagnostic significance of Neospora caninum DNA detected by PCR in cattle serum. Veterinary Parasitology 142, 207-213.
100. Meenakshi, Sandhu, K. S., Ball, M. S., Kumar, H., Sharma, S., Sidhu, P. K., Sreekumar, C. and Dubey, J. P. (2007). Seroprevalence of Neospora caninum antibodies in cattle and water buffaloes in India. Journal of Parasitology 93, 1374-1377.
101. Mineo, T.W., Carrasco, A. O., Marciano, J. A., Werther, K., Pinto, A. A. and Machado, R. Z. (2008). Pigeons (Columba livia) are a suitable experimental model for Neospora caninum infection in birds. Veterinary Parasitology 159, 149-153. doi: 10.1016/j.vetpar.2008.10.024.
102. Moen, A. R., Wouda,W., Mul, M. F., Graat, E. A. and van Werven, T. (1998). Increased risk of abortion following Neospora caninum abortion outbreaks: a retrospective and prospective cohort study in four dairy herds. Theriogenology 49, 1301-1309.
103. Moore, D., Reichel, M., Spath, E. and Campero, C. (2013). Neospora caninum causes severe economic losses in cattle in the humid pampa region of Argentina. Tropical Animal Health and Production 45, 1237-1241. doi: 10.1007/s11250-013-0353-z.
104. Moore, D. P., Campero, C. M., Odeon, A. C., Posso, M. A., Cano, D., Leunda, M. R., Basso, W., Venturini, M. C. and Späth, E. (2002). Seroepidemiology of beef and dairy herds and fetal study of Neospora caninum in Argentina. Veterinary Parasitology 107, 303-316.
105. Moore, D. P., Perez, A., Agliano, S., Brace, M., Canton, G., Cano, D., Leunda, M. R., Odeon, A. C., Odriozola, E. and Campero, C. M. (2009). Risk factors associated with Neospora caninum infections in cattle in Argentina. Veterinary Parasitology 161, 122-125. doi: 10.1016/j.vetpar.2009.01.003.
106. Moore, D. P., Echaide, I., Verna, A. E., Leunda, M. R., Cano, A., Pereyra, S., Zamorano, P. I., Odeon, A. C. and Campero, C. M. (2011). Immune response to Neospora caninum native antigens formulated with immune stimulating complexes in calves. Veterinary Parasitology 175, 245-251. doi: 10.1016/j.vetpar.2010.10.020.
107. Moré, G., Bacigalupe, D., Basso, W., Rambeaud, M., Beltrame, F., Ramirez, B., Venturini, M. C. and Venturini, L. (2009). Frequency of horizontal and vertical transmission for Sarcocystis cruzi and Neospora caninum in dairy cattle. Veterinary Parasitology 160, 51-54. doi: 10.1016/j.vetpar.2008.10.081.
108. Moreno, B., Collantes-Fernandez, E., Villa, A., Navarro, A., Regidor-Cerrillo, J. and Ortega-Mora, L. M. (2012). Occurrence of Neospora caninum and Toxoplasma gondii infections in ovine and caprine abortions. Veterinary Parasitology 187, 312-318. doi: 10.1016/j.vetpar.2011.12.034.
109. Nasir, A., Ashraf, M., Khan, M. S., Yaqub, T., Javeed, A., Avais, M. and Akhtar, F. (2011). Seroprevalence of Neospora caninum in dairy buffaloes in Lahore District, Pakistan. Journal of Parasitology 97, 541-543. doi: 10.1645/GE-2687.1.
110. Nasir, A., Ashraf, M., Khan, M. S., Javeed, A., Yaqub, T., Avais, M. and Reichel, M. P. (2012a). Prevalence of Neospora caninum antibodies in sheep and goats in Pakistan. Journal of Parasitology 98, 213-215. doi: 10.1645/GE-2863.1.
111. Nasir, A., Lanyon, S. R., Schares, G., Anderson, M. L. and Reichel, M. P. (2012b). Sero-prevalence of Neospora caninum and Besnoitia besnoiti in South Australian beef and dairy cattle. Veterinary Parasitology 186, 480-485. doi: 10.1016/j.vetpar.2011.11.032.
112. Nishikawa, Y., Ikeda, H., Fukumoto, S., Xuan, X., Nagasawa, H., Otsuka, H. and Mikami, T. (2000a). Immunization of dogs with a canine herpesvirus vector expressing Neospora caninum surface protein, NcSRS2. International Journal for Parasitology 30, 1167-1171.
113. Nishikawa, Y., Kousaka, Y., Fukumoto, S., Xuan, X., Nagasawa, H., Igarashi, I., Fujisaki, K., Otsuka, H. and Mikami, T. (2000b). Delivery of Neospora caninum surface protein, NcSRS2 (Nc-p43), to mouse using recombinant vaccinia virus. Parasitology Research 86, 934-939.
114. Nishikawa, Y., Mikami, T. and Nagasawa, H. (2002). Vaccine development against Neospora caninum infection. Journal of Veterinary Medical Science 64, 1-5.
115. Niza Ribeiro, J., Pereira, A., Afonso, C. and Pacheco, J. (2011). Bovicontrol-Hacia el aseguramiento de la sanidad de las explotaciones de bovino lechero. In XVI Congreso Internacional ANEMBE de Medicina Bovina. Avila.
116. Obendorf, D. L., Murray, N., Veldhuis, G., Munday, B. L. and Dubey, J. P. (1995). Abortion caused by neosporosis in cattle. Australian Veterinary Journal 72, 117-118.
117. Ortega-Mora, L. M., Gottstein, B., Conraths, F. J. and Buxton, B. (2007). Protozoal Abortion in Farm Ruminants. Guidelines for Diagnosis and Control. CAB International, Wallingford, UK.
118. Ortega-Mora, L. M., Aguado-Martínez, A., Rojo-Montejo, S. and Alvarez-García, G. (2010). Nuevos avances en el control de la neosporosis bovina. In Proceedings of Congreso Nacional de veterinarios de ADSG de ruminates. Asociación de Veterinarios de ADS de Vacuno de Asturias, Oviedo, Spain.
119. Ortuño, A., Castella, J. and Almeria, S. (2002). Seroprevalence of antibodies to Neospora caninum in dogs from Spain. Journal of Parasitology 88, 1263-1266.
120. O'Toole, D. and Jeffrey, M. (1987). Congenital sporozoan encephalomyelitis in a calf. Veterinary Record 121, 563-566.
121. Otranto, D., Llazari, A., Testini, G., Traversa, D., Frangipane di Regalbono, A., Badan, M. and Capelli, G. (2003). Seroprevalence and associated risk factors of neosporosis in beef and dairy cattle in Italy. Veterinary Parasitology 118, 7-18.
122. Ould-Amrouche, A., Klein, F., Osdoit, C., Mohammed, H. O., Touratier, A., Sanaa, M. and Mialot, J. P. (1999). Estimation of Neospora caninum seroprevalence in dairy cattle from Normandy, France. Veterinary Research 30, 531-538.
123. Paré, J., Thurmond, M. C. and Hietala, S. K. (1996). Congenital Neospora caninum infection in dairy cattle and associated calfhood mortality. Canadian Journal of Veterinary Research 60, 133-139.
124. Paré, J., Thurmond, M. C. and Hietala, S. K. (1997). Neospora caninum antibodies in cows during pregnancy as a predictor of congenital infection and abortion. Journal of Parasitology 83, 82-87.
125. Paré, J., Fecteau, G., Fortin, M. and Marsolais, G. (1998). Seroepidemiologic study of Neospora caninum in dairy herds. Journal of the American Veterinary Medical Association 213, 1595-1598.
126. Parish, S. M., Maag-Miller, L., Besser, T. E., Weidner, J. P., McElwain, T., Knowles, D. P. and Leathers, C.W. (1987). Myelitis associated with protozoal infection in newborn calves. Journal of the American Veterinary Medical Association 191, 1599-1600.
127. Pereira-Bueno, J., Quintanilla-Gozalo, A., Seijas-Carballedo, A., Costas, E. and Ortega Mora, L. M. (2000). Observational studies in Neospora caninum infected dairy cattle: pattern of transmission and age-related antibody fluctuations. International Journal for Parasitology 30, 906-909.
128. Pfeiffer, D. U., Williamson, N. B., Reichel, M. P., Wichtel, J. J. and Teague, W. R. (2002). A longitudinal study of Neospora caninum infection on a dairy farm in New Zealand. Preventive Veterinary Medicine 54, 11-24.
129. Ploneczka, K. and Mazurkiewicz, M. (2008). Seroprevalence of Neospora caninum in dogs in south-western Poland. Veterinary Parasitology 153, 168-171. doi: 10.1016/j.vetpar.2008.01.007.
130. Presi, P., Struchen, R., Knight-Jones, T., Scholl, S. and Heim, D. (2011). Bovine viral diarrhea (BVD) eradication in Switzerland-experiences of the first two years. Preventive Veterinary Medicine 99, 112-121. doi: 10.1016/j.prevetmed.2011.01.012.
131. Quintanilla-Gozalo, A., Pereira-Bueno, J., Seijas-Carballedo, A., Costas, E. and Ortega Mora, L. M. (2000). Observational studies in Neospora caninum infected dairy cattle: relationship-infection abortion and gestational antibody fluctuations. International Journal for Parasitology 30, 900-906.
132. Reichel, M. P. (1998). Prevalence of Neospora antibodies in New Zealand dairy cattle and dogs. New Zealand Veterinary Journal 46, 38. doi: 10.1080/ 00480169.1998.36049.
133. Reichel, M. P. (2000). Neospora caninum infections in Australia and New Zealand. Australian Veterinary Journal 78, 258-261.
134. Reichel, M. P. and Ellis, J. T. (2002). Control options for Neospora caninum infections in cattle-current state of knowledge. New Zealand Veterinary Journal 50, 86-92. doi: 10.1080/00480169.2002.36288.
135. Reichel, M. P. and Ellis, J. T. (2006). If control of Neospora caninum infection is technically feasible does it make economic sense? Veterinary Parasitology 142, 23-34. doi: 10.1016/j.vetpar.2006.06.027.
136. Reichel, M. P. and Ellis, J. T. (2009). Neospora caninum-how close are we to development of an efficacious vaccine that prevents abortion in cattle? International Journal for Parasitology 39, 1173-1187. doi: 10.1016/j.ijpara. 2009.05.007.
137. Reichel, M. P. and Pfeiffer, D. U. (2002). An analysis of the performance
138. Reichel, M. P., Thornton, R. N., Morgan, P. L., Mills, R. J. and Schares, G. (1998). Neosporosis in a pup. New Zealand Veterinary Journal 46, 106-110. doi: 10.1080/00480169.1998.36069.
139. Reichel, M. P., Ellis, J. T. and Dubey, J. P. (2007). Neosporosis and hammondiosis in dogs. Journal of Small Animal Practice 48, 308-312. doi: 10.1111/j.1748-5827.2006.00236.x.
140. Reichel, M. P., Ross, G. P. and McAllister, M. M. (2008). Evaluation of an enzyme-linked immunosorbent assay for the serological diagnosis of Neospora caninum infection in sheep and determination of the apparent prevalence of infection in New Zealand. Veterinary Parasitology 151, 323-326. doi: 10.1016/j.vetpar.2007.11.002.
141. Reichel, M. P., Alejandra Ayanegui-Alcerreca, M., Gondim, L. F. and Ellis, J. T. (2013). What is the global economic impact of Neospora caninum in cattle-the billion dollar question. International Journal for Parasitology 43, 133-142. doi: 10.1016/j.ijpara.2012.10.022.
142. Rinaldi, L., Fusco, G., Musella, V., Veneziano, V., Guarino, A., Taddei, R. and Cringoli, G. (2005). Neospora caninum in pastured cattle: determination of climatic, environmental, farm management and individual animal risk factors using remote sensing and geographical information systems. Veterinary Parasitology 128, 219-230.
143. Rodrigues, A. A., Gennari, S. M., Aguiar, D. M., Sreekumar, C., Hill, D. E., Miska, K. B., Vianna, M. C. and Dubey, J. P. (2004). Shedding of Neospora caninum oocysts by dogs fed tissues from naturally infected water buffaloes (Bubalus bubalis) from Brazil. Veterinary Parasitology 124, 139-150.
144. Rodriguez, I., Choromanski, L., Rodgers, S. J. and Weinstock, D. (2002). Survey of Neospora caninum antibodies in dairy and beef cattle from five regions of the United States. Veterinary Therapeutics 3, 396-401.
145. Rojo-Montejo, S., Collantes-Fernandez, E., Regidor-Cerrillo, J., Rodriguez-Bertos, A., Prenafeta, A., Gomez-Bautista, M. and Ortega-Mora, L. M. (2011). Influence of adjuvant and antigen dose on protection induced by an inactivated whole vaccine against Neospora caninum infection in mice. Veterinary Parasitology 175, 220-229. doi: 10.1016/j.vetpar.2010.10.028.
146. Rojo-Montejo, S., Collantes-Fernandez, E., Perez-Zaballos, F., Rodriguez-Marcos, S., Blanco-Murcia, J., Rodriguez-Bertos, A., Prenafeta, A. and Ortega-Mora, L. M. (2013). Effect of vaccination of cattle with the low virulence Nc-Spain 1H isolate of Neospora caninum against a heterologous challenge in early and mid-gestation. Veterinary Research 44, 106. doi: 10.1186/1297-9716-44-106.
147. Rosypal, A. C. and Lindsay, D. S. (2005). The sylvatic cycle of Neospora caninum: where do we go from here? Trends in Parasitology 21, 439-440.
148. Ruehlmann, D., Podell, M., Oglesbee, M. and Dubey, J. P. (1995). Canine neosporosis: a case report and literature review. Journal of the American Animal Hospital Association 31, 174-183.
149. Sager, H., Fischer, I., Furrer, K., Strasser, M., Waldvogel, A., Boerlin, P., Audige, L. and Gottstein, B. (2001). A Swiss case-control study to assess Neospora caninum-associated bovine abortions by PCR, histopathology and serology. Veterinary Parasitology 102, 1-15.
150. Sanchez, G. F., Morales, S. E., Martinez, M. J. and Trigo, J. F. (2003). Determination and correlation of anti-Neospora caninum antibodies in dogs and cattle from Mexico. Canadian Journal of Veterinary Research 67, 142-145.
151. Sawada, M., Park, C. H., Kondo, H., Morita, T., Shimada, A., Yamane, I. and Umemura, T. (1998). Serological survey of antibody to Neospora caninum in Japanese dogs. Journal of Veterinary Medical Science 60, 853-854.
152. Schares, G., Peters, M., Wurm, R., Barwald, A. and Conraths, F. J. (1998). The efficiency of vertical transmission of Neospora caninum in dairy cattle analysed by serological techniques. Veterinary Parasitology 80, 87-98.
153. Schares, G., Conraths, F. J. and Reichel, M. P. (1999). Bovine neosporosis: comparison of serological methods using outbreak sera from a dairy herd in New Zealand. International Journal for Parasitology 29, 1659-1667.
154. Schares, G., Barwald, A., Staubach, C., Ziller, M., Kloss, D., Wurm, R., Rauser, M., Labohm, R., Drager, K., Fasen, W., Hess, R. G. and Conraths, F. J. (2003). Regional distribution of bovine Neospora caninum infection in the German state of Rhineland-Palatinate modelled by logistic regression. International Journal for Parasitology 33, 1631-1640.
155. Schares, G., Pantchev, N., Barutzki, D., Heydorn, A. O., Bauer, C. and Conraths, F. J. (2005). Oocysts of Neospora caninum, Hammondia heydorni, Toxoplasma gondii and Hammondia hammondi in faeces collected from dogs in Germany. International Journal for Parasitology 35, 1525-1537.
156. Sharma, S., Bal, M. S., Meenakshi, Kaur, K., Sandhu, K. S. and Dubey, J. P. (2008). Seroprevalence of Neospora caninum antibodies in dogs in India. Journal of Parasitology 94, 303-304.
157. Stahl, K., Björkman, C., Emanuelson, U., Rivera, H., Zelada, A. and Moreno-Lopez, J. (2006). A prospective study of the effect of Neospora caninum and BVDV infections on bovine abortions in a dairy herd in Arequipa, Peru. Preventive Veterinary Medicine 75, 177-188.
158. Tennent-Brown, B. S., Pomroy, W. E., Reichel, M. P., Gray, P. L., Marshall, T. S., Moffat, P. A., Rogers, M., Driscoll, V. A., Reeve, O. F., Ridler, A. L. and Ritaven, S. (2000). Prevalence of Neospora antibodies in beef cattle in New Zealand. New Zealand Veterinary Journal 48, 149-150. doi: 10.1080/00480169.2000.36182.
159. Thilsted, J. P. and Dubey, J. P. (1989). Neosporosis-like abortions in a herd of dairy cattle. Journal of Veterinary Diagnostic Investigation 1, 205-209.
160. Thornton, R. N., Thompson, E. J. and Dubey, J. P. (1991). Neospora abortion in New Zealand cattle. New Zealand Veterinary Journal 39, 129-133.
161. Thornton, R. N., Gajadhar, A. and Evans, J. (1994). Neospora abortion epidemic in a dairy herd. New Zealand Veterinary Journal 42, 190-191.
162. Thurmond, M. and Hietala, S. (1995). Strategies to control neospora infection in cattle. Bovine Practitioner 29, 60-63.
163. Thurmond, M. C. and Hietala, S. K. (1997). Effect of congenitally acquired Neospora caninum infection on risk of abortion and subsequent abortions in dairy cattle. American Journal of Veterinary Research 58, 1381-1385.
164. Trees, A. J. and Williams, D. J. (2005). Endogenous and exogenous transplacental infection in Neospora caninum and Toxoplasma gondii. Trends in Parasitology 21, 558-561.
165. Uchida, M., Nagashima, K., Akatsuka, Y., Murakami, T., Ito, A., Imai, S. and Ike, K. (2013). Comparative study of protective activities of Neospora caninum bradyzoite antigens, NcBAG1, NcBSR4, NcMAG1, and NcSAG4, in a mouse model of acute parasitic infection. Parasitology Research 112, 655-663. doi: 10.1007/s00436-012-3182-5.
166. Uggla, A., Stenlund, S., Holmdahl, O. J., Jakubek, E. B., Thebo, P., Kindahl, H. and Björkman, C. (1998). Oral Neospora caninum inoculation of neonatal calves. International Journal for Parasitology 28, 1467-1472.
167. Vanleeuwen, J. A., Haddad, J. P., Dohoo, I. R., Keefe, G. P., Tiwari, A. and Scott, H. M. (2010). Risk factors associated with Neospora caninum seropositivity in randomly sampled Canadian dairy cows and herds. Preventive Veterinary Medicine 93, 129-138. doi: 10.1016/j.prevetmed.2009.11.013.
168. VanLeeuwen, J. A., Greenwood, S., Clark, F., Acorn, A., Markham, F., McCarron, J. and O'Handley, R. (2011). Monensin use against Neospora caninum challenge in dairy cattle. Veterinary Parasitology 175, 372-376. doi: 10.1016/j.vetpar.2010.10.016.
169. Wapenaar,W., Jenkins, M. C., O'Handley, R.M. and Barkema, H.W. (2006). Neospora caninum-like oocysts observed in feces of free-ranging red foxes (Vulpes vulpes) and coyotes (Canis latrans). Journal of Parasitology 92, 1270-1274.
170. Weber, F. H., Jackson, J. A., Sobecki, B., Choromanski, L., Olsen, M., Meinert, T., Frank, R., Reichel, M. P. and Ellis, J. T. (2013). On the efficacy and safety of vaccination with live tachyzoites of Neospora caninum for prevention of neospora-associated fetal loss in cattle. Clinical and Vaccine Immunology 20, 99-105. doi: 10.1128/ CVI.00225-12.
171. West, D. M., Pomroy, W. E., Collett, M. G., Hill, F. I., Ridler, A. L., Kenyon, P. R., Morris, S. T. and Pattison, R. S. (2006). A possible role for Neospora caninum in ovine abortion in New Zealand. Small Ruminant Research 62, 135-138.
172. Weston, J. F., Heuer, C. and Williamson, N. B. (2012). Efficacy of a Neospora caninum killed tachyzoite vaccine in preventing abortion and vertical transmission in dairy cattle. Preventive Veterinary Medicine 103, 136-144. doi: 10.1016/j.prevetmed.2011.08.010.
173. Williams, D. J., Guy, C. S., McGarry, J.W., Guy, F., Tasker, L., Smith, R. F., MacEachern, K., Cripps, P. J., Kelly, D. F. and Trees, A. J. (2000). Neospora caninum-associated abortion in cattle: the time of experimentally- induced parasitaemia during gestation determines foetal survival. Parasitology 121, 347-358.
174. Williams, D. J., Guy, C. S., Smith, R. F., Ellis, J., Björkman, C., Reichel, M. P. and Trees, A. J. (2007). Immunization of cattle with live tachyzoites of Neospora caninum confers protection against fetal death. Infection and Immunity 75, 1343-1348. doi: 10.1128/IAI.00777-06.
175. Wouda, W., Moen, A. R. and Schukken, Y. H. (1998). Abortion risk in progeny of cows after a Neospora caninum epidemic. Theriogenology 49, 1311-1316.
176. Wouda, W., Bartels, C. J. and Moen, A. R. (1999a). Characteristics of Neospora caninum-associated abortion storms in diary herds in the Netherlands (1995 to 1997). Theriogenology 52, 233-245.
177. Wouda, W., Dijkstra, T., Kramer, A. M., van Maanen, C. and Brinkhof, J. M. (1999b). Seroepidemiological evidence for a relationship between Neospora caninum infections in dogs and cattle. International Journal for Parasitology 29, 1677-1682.