If control of Neospora caninum infection is technically feasible does it make economic sense?

Veterinary Parasitology

Volumn 142, Issue 1-2, 2006, Pages 23-34

  Reichel, Michael P ^a,b   Ellis, John T ^c  

^a Gribbles Veterinary Pathology   (New Zealand)

^b MACQUARIE UNIVERSITY   (Australia)

^c UNIVERSITY OF TECHNOLOGY SYDNEY   (Australia)

Author keywords

Abortions; Cattle; Control; Costs; Decision tree; Economics; Neospora caninum

Indexed keywords

TOLTRAZURIL;

ARTICLE; AUSTRALIA AND NEW ZEALAND; COCCIDIOSIS; CONTROLLED STUDY; COST BENEFIT ANALYSIS; COST OF ILLNESS; DAIRY CATTLE; DECISION THEORY; ECONOMIC ASPECT; ECONOMICS; FEMALE; INFECTION CONTROL; MALE; MODEL; NEOSPORA CANINUM; NONHUMAN; PREVALENCE; QUANTITATIVE STUDY; VACCINATION; VETERINARY ABORTION;

ABORTION, VETERINARY; ANIMALS; CATTLE; CATTLE DISEASES; COCCIDIOSIS; COST-BENEFIT ANALYSIS; DAIRYING; DECISION TREES; EUTHANASIA, ANIMAL; FEMALE; NEOSPORA; PREGNANCY; PREGNANCY COMPLICATIONS, PARASITIC; PREVALENCE; VACCINATION;

BOS TAURUS; NEOSPORA CANINUM; PROTOZOA;

EID: 33750053595     PISSN: 03044017     EISSN: None     Source Type: Journal    
DOI: 10.1016/j.vetpar.2006.06.027     Document Type: Article

References (64)

1. Anderson M.L., Andrianarivo A.G., and Conrad P.A. Neosporosis in cattle. Anim. Reprod. Sci. 60/61 (2000) 417-431
2. Anderson M.L., Palmer C.W., Thurmond M.C., Picanso J.P., Blanchard P.C., Breitmeyer R.E., Layton A.W., McAllister M., Daft B., Kinde H., et al. Evaluation of abortions in cattle attributable to neosporosis in selected dairy herds in California. J. Am. Vet. Med. Assoc. 207 (1995) 1206-1210
3. Andrianarivo A.G., Choromanski L., McDonough S.P., Packham A.E., and Conrad P.A. Immunogenicity of a killed whole Neospora caninum tachyzoite preparation formulated with different adjuvants. Int. J. Parasitol. 29 (1999) 1613-1625
4. Anon, 2005a. Dairy statistics New Zealand. National Dairy Statistics - Industry Statistics - Population.
5. Anon, 2005b. Farm Facts, Dairy Australia.
6. Atkinson R.A., Cook R.W., Reddacliff L.A., Rothwell J., Broady K.W., Harper P., and Ellis J.T. Seroprevalence of Neospora caninum infection following an abortion outbreak in a dairy cattle herd. Aust. Vet. J. 78 (2000) 262-266
7. Barling K.S., McNeill J.W., Paschal J.C., McCollum F.T., Craig T.M., Adams L.G., and Thompson J.A. Ranch-management factors associated with antibody seropositivity for Neospora caninum in consignments of beef calves in Texas, USA. Prev. Vet. Med. 52 (2001) 53-61
8. Barling K.S., McNeill J.W., Thompson J.A., Paschal J.C., McCollum III F.T., Craig T.M., and Adams L.G. Association of serologic status for Neospora caninum with postweaning weight gain and carcass measurements in beef calves. J. Am. Vet. Med. Assoc. 217 (2000) 1356-1360
9. Bjerkås I., Mohn S.F., and Presthus J. Unidentified cyst-forming sporozoon causing encephalomyelitis and myositis in dogs. Z. Parasitenkd. 70 (1984) 271-274
10. Boulton J.G., Gill P.A., Cook R.W., Fraser G.C., Harper P.A.W., and Dubey J.P. Bovine Neospora abortion in north-eastern New South Wales. Aust. Vet. J. 72 (1995) 119-120
11. Chi J., VanLeeuwen J.A., Weersink A., and Keefe G.P. Direct production losses and treatment costs from bovine viral diarrhoea virus, bovine leukosis virus, Mycobacterium avium subspecies paratuberculosis, and Neospora caninum. Prev. Vet. Med. 55 (2002) 137-153
12. Cox B.T., Reichel M.P., and Griffiths L.M. Serology of a Neospora abortion outbreak on a dairy farm in New Zealand: a case study. NZ Vet. J. 46 (1998) 28-31
13. Davison H.C., French N.P., and Trees A.J. Herd-specific and age-specific seroprevalence of Neospora caninum in 14 British dairy herds. Vet. Rec. 144 (1999) 547-550
14. Deverson K. Dollar value on calf rearing. Dairy Exporter (2005) pp. 92-93
15. Dubey J.P. Neosporosis in cattle: biology and economic impact. J. Am. Vet. Med. Assoc. 214 (1999) 1160-1163
16. Ellis J.T. Neospora caninum: prospects for diagnosis and control using molecular methods. Proceedings of the VII International Coccidiosis Conference and EU COST820 Workshop. Oxford (1997) 80-81
17. French N.P., Clancy D., Davison H.C., and Trees A.J. Mathematical models of Neospora caninum infection in dairy cattle: transmission and options for control. Int. J. Parasitol. 29 (1999) 1691-1704
18. Frino A., Kelly S., Comerton-Forde C., Cusack T., and Wilson K. Introduction to Corporate Finance. 2nd ed. (2004), Pearson Education Australia, Sydney
19. Frössling J., Uggla A., and Björkman C. Prevalence and transmission of Neospora caninum within infected Swedish dairy herds. Vet. Parasitol. 128 (2005) 209-218
20. Gröhn Y.T., Rajala-Schultz P.J., Allore H.G., DeLorenzo M.A., Hertl J.A., and Galligan D.T. Optimizing replacement of dairy cows: modeling the effect of diseases. Prev. Vet. Med. 61 (2003) 27-42
21. Gunn G.J., Saatkamp H.W., Humphry R.W., and Stott A.W. Assessing economoic and social pressure for the control of bovine viral diarrhoea virus. Prev. Vet. Med. 72 (2005) 149-162
22. Guy C.S., Ellis J., Williams D.J.L., Smith J., and Trees A.J. Vaccination against Neospora-associated abortion in cattle. Proceedings of the 20th International Conference of the World Association for the Advancement of Veterinary Parasitology. Christchurch (2005) 191
23. Hall C.A., Reichel M.P., and Ellis J.T. Neospora abortions in dairy cattle: diagnosis, mode of transmission and control. Vet. Parasitol. 128 (2005) 231-241
24. Hall C.A., Reichel M.P., and Ellis J.T. Neospora caninum, options for control downunder. Proceedings of the 20th International Conference of the World Association for the Advancement of Veterinary Parasitology. Christchurch (2005) 204
25. Hernandez J., Risco C., and Donovan A. Association between exposure to Neospora caninum and milk production in dairy cows. J. Am. Vet. Med. Assoc. 219 (2001) 632-635
26. Hobson J.C., Duffield T.F., Kelton D., Lissemore K., Hietala S.K., Leslie K.E., McEwen B., Cramer G., and Peregrine A.S. Neospora caninum serostatus and milk production of Holstein cattle. J. Am. Vet. Med. Assoc. 221 (2002) 1160-1164
27. Innes E.A., Buxton D., Maley S., Wright S., Marks J., Esteban I., Rae A., Schock A., and Wastling J. Neosporosis: aspects of epidemiology and host immune response. Ann. NY Acad. Sci. 916 (2000) 93-101
28. Kritzner S., Sager H., Blum J., Krebber R., Greif G., and Gottstein B. An explorative study to assess the efficacy of Toltrazuril-sulfone (Ponazuril) in calves experimentally infected with Neospora caninum. Ann. Clin. Microbiol. Antimicrob. 1 (2002) 4
29. Larson R.L., Hardin D.K., and Pierce V.L. Economic considerations for diagnostic and control options for Neospora caninum-induced abortions in endemically infected herds of beef cattle. J. Am. Vet. Med. Assoc. 224 (2004) 1597-1604
30. Liddell S., Jenkins M.C., Collica C.M., and Dubey J.P. Prevention of vertical transfer of Neospora caninum in BALB/c mice by vaccination. J. Parasitol. 85 (1999) 1072-1075
31. Lopez-Gatius F., Lopez-Bejar M., Murugavel K., Pabon M., Ferrer D., and Almeria S. Neospora-associated abortion episode over a 1-year period in a dairy herd in north-east Spain. J. Vet. Med. B: Infect. Dis. Vet. Public Health 51 (2004) 348-352
32. Mainar Jaime R.C., Thurmond M.C., Berzal Herranz B., and Hietala S.K. Seroprevalence of Neospora caninum and abortion in dairy cows in northern Spain. Vet. Rec. 145 (1999) 72-75
33. McDougall S., Rhodes F.M., and Verkerk G.A. Pregnancy loss in dairy cattle in the Waikato region of New Zealand. NZ Vet. J. 53 (2005) 279-287
34. Moen A.R., Wouda W., Mul M.F., Graat E.A.M., and vanWerven T. Increased risk of abortion following Neospora caninum abortion outbreaks: a retrospective and prospective cohort study in four dairy herds. Theriogenology 49 (1998) 1301-1309
35. Obendorf D.L., Murray N., Veldhuis G., Munday B.L., and Dubey J.P. Abortion caused by neosporosis in cattle. Aust. Vet. J. 72 (1995) 117-118
36. Otranto D., Llazari A., Testini G., Traversa D., Frangipane di Regalbono A., Badan M., and Capelli G. Seroprevalence and associated risk factors of neosporosis in beef and dairy cattle in Italy. Vet. Parasitol. 118 (2003) 7-18
37. Ott S.L., and Johnson R.S.J.W. Association between bovine-leukosis virus seroprevalence and herd-level productivity on US dairy farms. Prev. Vet. Med. 61 (2003) 249-262
38. Paré J., Fecteau G., Fortin M., and Marsolais G. Seroepidemiologic study of Neospora caninum in dairy herds. J. Am. Vet. Med. Assoc. 213 (1998) 1595-1598
39. Paré J., Hietala S.K., and Thurmond M.C. An enzyme-linked immunosorbent assay (ELISA) for serological diagnosis of Neospora sp. infection in cattle. J. Vet. Diagn. Invest. 7 (1995) 352-359
40. Paré J., Hietala S.K., and Thurmond M.C. Interpretation of an indirect fluorescent antibody test for diagnosis of Neospora sp. infection in cattle. J. Vet. Diagn. Invest. 7 (1995) 273-275
41. Paré J., Thurmond M.C., and Hietala S.K. Congenital Neospora infection in dairy cattle. Vet. Rec. 134 (1994) 531-532
42. Paré J., Thurmond M.C., and Hietala S.K. Congenital Neospora caninum infection in dairy cattle and associated calfhood mortality. Can. J. Vet. Res. 60 (1996) 133-139
43. Pfeiffer D.U., Wichtel J.J., Reichel M.P., Williamson N.B., Teague W.R., and Thornton R.N. Investigations into the epidemiology of Neospora caninum infection in dairy cattle in New Zealand. Dairy Cattle and Industry Sessions, Proceedings of the 75th Jubilee New Zealand Veterinary Association Annual Conference. Rotorua (1998) 279-292
44. Pfeiffer D.U., Williamson N.B., Reichel M.P., Wichtel J.J., and Teague W.R. A longitudinal study of Neospora caninum infection on a dairy farm in New Zealand. Prev. Vet. Med. 54 (2002) 11-24
45. Pfeiffer D.U., Williamson N.B., and Thornton R.N. A simple spreadsheet simulation model of the economic effects of Neospora caninum abortions in dairy cattle in New Zealand. Proceedings of the 8th Symposium of the International Society for Veterinary Epidemiology and Economics. Paris (1997) 10.12.1-10.12.3
46. Reichel M.P. Prevalence of Neospora antibodies in New Zealand dairy cattle and dogs. NZ Vet. J. 46 (1998) 38
47. Reichel M.P. Neospora caninum infections in Australia and New Zealand. Aust. Vet. J. 78 (2000) 258-261
48. Reichel M.P., and Ellis J.T. Control options for Neospora caninum infections in cattle-current state of knowledge. NZ Vet. J. (2002) 50
49. Romero J.J., Perez E., and Frankena K. Effect of a killed whole Neospora caninum tachyzoite vaccine on the crude abortion rate of Costa Rican dairy cows under field conditions. Vet. Parasitol. 123 (2004) 149-159
50. Santarossa J.M., Stott A.W., Humphry R.W., and Gunn G.J. Optimal risk management versus willingness to pay for BVDV control options. Prev. Vet. Med. 72 (2005) 183-187
51. 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. Regional distribution of bovine Neospora caninum infection in the German state of Rhineland-Palatinate modelled by Logistic regression. Int. J. Parasitol. 33 (2003) 1631-1640
52. Schares G., Conraths F.J., and Reichel M.P. Bovine neosporosis: comparison of serological methods using outbreak sera from a dairy herd in New Zealand. Int. J. Parasitol. 29 (1999) 1669-1676
53. Smith R.D., and Slenning B.D. Decision analysis: dealing with uncertainty in diagnostic testing. Prev. Vet. Med. 45 (2000) 139-162
54. Stott A.W., Jones G.M., Humphry R.W., and Gunn G.J. Financial incentive to control paratuberculosis (Johne's disease) on dairy farms in the United Kingdom. Vet. Rec. 156 (2005) 825-831
55. Thornton R. Bovine abortion diagnoses in 1995. Surveillance 23 (1996) 21-22
56. Thornton R.N., Gajadhar A., and Evans J. Neospora abortion epidemic in a dairy herd. NZ Vet. J. 42 (1994) 190-191
57. Thornton R.N., Thompson E.J., and Dubey J.P. Neospora abortion in New Zealand cattle. NZ Vet. J. 39 (1991) 129-133
58. Thurmond M.C., and Hietala S.K. Effect of congenitally acquired Neospora caninum infection on risk of abortion and subsequent abortions in dairy cattle. Am. J. Vet. Res. 58 (1997) 1381-1385
59. Thurmond M.C., and Hietala S.K. Effect of Neospora caninum infection on milk production in first-lactation dairy cows. J. Am. Vet. Med. Assoc. 210 (1997) 672-674
60. Thurmond M.C., Hietala S.K., and Blanchard P.C. Herd-based diagnosis of Neospora caninum-induced endemic and epidemic abortion in cows and evidence for congenital and postnatal transmission. J. Vet. Diagn. Invest. 9 (1997) 44-49
61. Tomassen F.H., de Koeijer A., Mourits M.C., Dekker A., Bouma A., and Huirne R.B. A decision-tree to optimise control measures during the early stage of a foot-and-mouth disease epidemic. Prev. Vet. Med. 54 (2002) 301-324
62. von Blumröder D., Schares G., Norton R., Williams D.J., Esteban-Redondo I., Wright S., Björkman C., Frössling J., Risco-Castillo V., Fernandez-Garcia A., Ortega-Mora L.M., Sager H., Hemphill A., van Maanen C., Wouda W., and Conraths F.J. Comparison and standardisation of serological methods for the diagnosis of Neospora caninum infection in bovines. Vet. Parasitol. 120 (2004) 11-22
63. Wouda W., Bartels C.J., and Moen A.R. Characteristics of Neospora caninum-associated abortion storms in diary herds in the Netherlands (1995-1997). Theriogenology 52 (1999) 233-245
64. Wouda W., Moen A.R., and Schukken Y.H. Abortion risk in progeny of cows after a Neospora caninum epidemic. Theriogenology 49 (1998) 1311-1316