Demonstration of vertical transmission of Cowdria ruminantium, the causative agent of heartwater, from cows to their calves

Veterinary Parasitology

Volumn 61, Issue 1-2, 1996, Pages 119-132

  Deem, S L ^a,c   Norval, R A I ^b   Donachie, P L ^a   Mahan, S M ^a  

^a Veterinary Research Laboratory Zimbabwe   (Zimbabwe)

^b University of Florida College of Veterinary Medicine   (United States)

^c Veterinary Medical Teaching Hospital   (United States)

Author keywords

Cattle Rickettsia; Cowdria ruminantium; Heartwater; Transmission

Indexed keywords

ARTICLE; CATTLE; CONTROLLED STUDY; COW; EHRLICHIA; FEMALE; HEARTWATER DISEASE; INFECTION CONTROL; NONHUMAN; RICKETTSIA; VERTICAL TRANSMISSION;

ACARI; AMBLYOMMA; BOS TAURUS; CAPRA HIRCUS; EHRLICHIA; EHRLICHIA RUMINANTIUM; RICKETTSIA; VERTEBRATA;

EID: 0030029207     PISSN: 03044017     EISSN: None     Source Type: Journal    
DOI: 10.1016/0304-4017(95)00819-5     Document Type: Article

References (47)

1. Andrew, H.R. and Norval, R.A.I., 1989. The carrier status of sheep, cattle, and African buffalo recovered from heartwater. Vet. Parasitol., 34: 261-266.
2. Barre, N., Uilenberg, G., Morel, P.C. and Camus, E., 1987. Danger of introducing heartwater onto the American mainland: Potential role of indigenous and exotic Amblyomma ticks. Onderstepoort J. Vet. Res., 54: 405-417.
3. Benson, W.W., Brock, D.W. and Mather, J., 1963. Serologic analysis of penitentiary group using raw milk from a Q fever-infected herd. Public Health Report, 78: 707-710.
4. Bezuidenhout, J.D., 1981. The development of a new heartwater vaccine using Amblyomma hebraeum nymphae infected with Cowdria ruminantium. In: G.B. Whitehead and J.D. Gibson (Editors), Tick Biology and Control. Tick Research Unit, Rhodes University, Grahamstown, RSA, pp. 41-45.
5. Bezuidenhout, J.D., 1985. The epidemiology and control of heartwater and other tick-borne diseases of cattle in South Africa. Onderstepoort J. Vet. Res., 52: 211-214.
6. Bezuidenhout, J.D. and Bigalke, R.B., 1987. The control of heartwater by means of tick control. Onderstepoort J. Vet. Res., 54: 525-528.
7. Bland, M., 1987. An Introduction to Medical Statistics. Oxford University Press, Oxford, pp. 251-254.
8. Byrom, B. and Yunker, C.E., 1990. Improved culture conditions for Cowdria ruminantium (Rickettsiales), the agent of heartwater disease of domestic ruminants. Cytotechnology, 4: 285-290.
9. Cannon, R.M. and Roe, R.T., 1982. Livestock Disease Surveys: A Field Manual for Veterinarians. Australian Government Publishing Service, Canberra, 14 pp.
10. Cutlip, R.C., Lehmkuhl, H.D. and Jackson, T.A., 1981. Intrauterine transmission of ovine progressive pneumonia virus. Am. J. Vet. Res., 42: 1795-1797.
11. Dawson, J.E., Ristic, M., Holland, C.J., Whitlock, R.H. and Sessions, J., 1987. Isolation of Ehrlichia risticii, the causative agent of Potomac horse fever, from the fetus of an experimentally infected mare. Vet. Rec., 121: 232.
12. DeBoer, G.F., 1970. Zwoegerziekte, een persisterende virusinfectic bij schapen. Ph.D. Thesis, University of Utrecht, The Netherlands.
13. Deem, S.L., Donachie, P.L. and Norval, R.A.I., 1995. Colostrum from dams living in a heartwater-endemic area influences calfhood immunity to Cowdria ruminantium. Vet. Parasitol., 61: 133-144.
14. De Vries, N., Mahan, S.M., Ushewokunze-Obatolu, U., Norval, R.A.I. and Jongejan, F., 1993. Correlation between antibodies to Cowdria ruminantium (Rickettsiales) in cattle and the distribution of Amblyomma vector ticks in Zimbabwe. Exp. Appl. Acarol., 17: 799-810.
15. Dilbeck, P.M., Evermann, J.F., Crawford, T.B., Ward, A.C.S., Leathers, C.W., Holland, C.J., Mebus, C.A., Logan, L.L., Rurangirwa, F.R. and McGuire, T.C., 1990. Isolation of a previously undescribed Rickettsia from an aborted bovine fetus. J. Clin. Microbiol., 28: 814-816.
16. Dubey, J.P. and Lindsay, D.S., 1989. Transplacental transmission of Neospora caninum infection in dogs. Am. J. Vet. Res., 50: 1578-1579.
17. Dubey, J.P. and Urban, J.F., 1990. Diagnosis of transplacentally induced toxoplasmosis in pigs. Am. J. Vet. Res., 51: 1295-1299.
18. Du Plessis, J.L., Loock, P.J. and Ludeman, C.J.F., 1992. Adult Amblyomma hebraeum burdens and heartwater endemic stability in calves. Onderstepoort J. Vet. Res., 59: 75-89.
19. Fiset, P., Wisseman, C.L. and El Bataivi, Y., 1975. Immunologic evidence of human fetal infection with Coxiella burnetti, Am. J. Epidemiol., 101: 65-69.
20. Kmetz, M., Dunne, H.W. and Schultz, R.D., 1970. Leukocytes as carriers in the transmission of bovine leukemia: Invasion of the digestive tract of the newborn by ingested, cultured, leukocytes. Am. J. Vet. Res., 31: 637-641.
21. Kruse, V., 1970. Absorption of immunoglobulins from colostrum in newborn calves. Anim. Prod., 12: 619-626.
22. Lee, C.S., Wooding, F.B. and Kemp, P., 1980. Identification, properties, and differential counts of cell populations using electron microscopy of dry cow secretions, colostrum and milk from normal cows. J. Dairy Res., 47: 39-50.
23. Logan, L.L., Whyard, T.C., Quintero, J.C. and Mebus, C.A., 1987. The development of Cowdria ruminantium in neutrophils. Onderstepoort J. Vet. Res., 54: 197-204.
24. Mahan, S.M., Waghela, S.D., McGuire, T.C., Rurangirwa, F.R., Wassink, L.A. and Barbet, A.F., 1992. A cloned DNA probe for Cowdria ruminantium hybridizes with eight heartwater strains and detects infected sheep. J. Clin. Microbiol., 30: 981-986.
25. Mahan, S.M., Tebele, N., Mukwedeya, D., Semu, S., Nyathi, C.B., Wassink, L.A., Kelly, P.J., Peter, T.F. and Barbet, A.F., 1993. An immunoblotting diagnostic assay for heartwater based on the immunodominant 32-kilodalton protein of Cowdria ruminantium detects false-positives in field sera. J. Clin. Microbiol., 31: 2729-2737.
26. Neitz, W.O., Alexander, R.A. and Adelaar, T.F., 1947 Studies on immunity to heartwater. Onderstepoort J. Vet. Res., 21: 243-249.
27. Norval, R.A.I., 1983. Arguments against intensive dipping. Zimbabwe Vet. J., 14: 19-25.
28. Norval, R.A.I., Andrew, H.R. and Yunker, C.E., 1990. Infection rates with Cowdria ruminantium of nymphs and adults of the bont tick Amblyomma hebraeum collected in the field in Zimbabwe. Vet. Parasitol., 36: 277-283.
29. Norval, R.A.I., Peter, T., Yunker, C.E., Sonenshine, D.E. and Burridge, M.J., 1991. Responses of the ticks Amblyomma hebraeum and A. variegatum to known or potential components of the aggregation-attachment pheromone. II. Attachment stimulation. Exp. Appl. Acarol., 13: 19-26.
30. Norval, R.A.I., Andrew, H.R., Yunker, C.E. and M.J. Burridge, 1992a. Biological processes in the epidemiology of heartwater. In: B.H. Fivaz, T.N. Petney and I.G. Horak (Editors), Tick Vector Biology: Medical and Veterinary Aspects. Springer, London, pp. 71-86.
31. Norval, R.A.I., Perry, B.D. and Young, A.S., 1992b. The Epidemiology of Theileriosis in Africa. Academic Press, London, 233 pp.
32. Norval, R.A.I., Donachie, P.D., Meltzer, M.I., Deem, S.L. and Mahan, S.M., 1995. The relationship between tick (Amblyomma hebraeum) infestation and immunity to heartwater (Cowdria ruminantium) infection in calves in Zimbabwe. Vet. Parasitol., in press.
33. Peter, T.F., Deem, S.L., Barbet, A.F., Norval, R.A.I, and Mahan, S.M., 1995. Development and evaluation of PCR assay for detection of low levels of Cowdria ruminantium infection in Amblyomma ticks not detected by DNA probe. J. Clin. Microbiol., 33: 166-172.
34. Prozesky, L., 1987. The pathology of heartwater. III. Review. Onderstepoort J. Vet. Rec., 54: 281-286.
35. Purchase, H.S., 1945. A simple and rapid method for demonstrating Rickettsia ruminantium (Cowdry, 1925) in heartwater brains. Vet. Rec., 36: 413-415.
36. Sahu, S.P., 1986. Fluorescent antibody technique to detect Cowdria ruminantium in in-vitro-cultured macrophages and buffy coats from cattle, sheep, and goats. Am. J. Vet. Res., 47: 1253-1257.
37. Sambrook, J., Fritsch, E.F. and Maniatis, T., 1989. Molecular Cloning: A Laboratory Manual. Cold Spring Harbor Laboratory, Cold Spring Harbor, NY, pp. E.3-E.4.
38. Schnorr, K.L. and Pearson, L.D., 1984. Intestinal absorption of maternal leucocytes by newborn lambs. J. Reprod. Immunol., 6: 329-337.
39. Semu, S.M., Mahan, S., Yunker, C.E. and Burridge, M.J., 1992. Development and persistence of Cowdria ruminantium-specific antibodies following experimental infection of cattle, as detected by the indirect fluorescent antibody test. Vet. Immunol. Immunopathol., 33: 339-352.
40. Spreull, J., 1922. Heartwater. J. Dep. Agric., 4: 236-245.
41. Stott, G.H., Marx, D.B., Menefee, B.E. and Nightengale, G.T., 1979. Colostral immunoglobulin transfer in calves. I. Period of absorption. J. Dairy Sci., 62: 1632-1638.
42. Synge, B.A., 1978. Brain biopsy for the diagnosis of heartwater. Trop. Anim. Health Prod., 10: 45-48.
43. Uilenberg, G., 1983. Heartwater (Cowdria ruminantium) infection: Current status. Adv. Vet. Sci. Comp. Med., 27: 427-480.
44. Wilson, J.C., Foggie, A. and Carmichael, M.A., 1964. Tick-borne fever as a cause of abortion and stillbirths in cattle. Vet. Rec., 76: 1081-1084.
45. Yunker, C.E., Byrom, B. and Semu, S., 1988 Cultivation of Cowdria ruminantium in bovine vascular endothelial cells. Kenya Vet., 12: 12-16.
46. Yunker, C.E., Mahan, S.M., Waghela, S.D., McGuire, T.C., Rurangirwa, F.R., Barbet, A.F. and Wassink, L.A., 1993. Detection of Cowdria ruminantium by means of a DNA probe, pCS20 in infected bont ticks, Amblyomma hebraeum, the major vector of heartwater in Southern Africa. Epidemiol. Infect., 110: 95-104.
47. Zaugg, J.L., 1985. Bovine anaplasmosis: Transplacental transmission as it relates to stage of gestation. Am. J. Vet. Res., 46: 570-572.