The pathogenesis and control of diarrhoea and breech soiling in adult Merino sheep

International Journal for Parasitology

Volumn 29, Issue 6, 1999, Pages 893-902

  Larsen, J W A ^a   Anderson, N ^a   Vizard, A L ^a  

^a UNIVERSITY OF MELBOURNE   (Australia)

Author keywords

Diarrhoea; Genetic selection; Immunopathology; Nematode parasites; Ostertagia; Sheep; Trichostrongylus

Indexed keywords

ANTIGEN;

COMMUNITY STRUCTURE; FUNCTIONAL ROLE; PARASITE;

ANIMAL EXPERIMENT; CONFERENCE PAPER; DIARRHEA; GENETIC SELECTION; HOST; HYPERSENSITIVITY; IMMUNE RESPONSE; IMMUNOPATHOLOGY; INFLAMMATION; NEMATODIASIS; NONHUMAN; OSTERTAGIA; PHENOTYPE; RISK FACTOR; SHEEP; TRICHOSTRONGYLUS;

ANIMAL HUSBANDRY; ANIMALS; DIARRHEA; DISEASE SUSCEPTIBILITY; FEMALE; HYPERSENSITIVITY; MALE; RISK FACTORS; SHEEP; SHEEP DISEASES; TRICHOSTRONGYLOIDIASIS;

NEMATODA; OSTERTAGIA; OVIS ARIES; TELADORSAGIA CIRCUMCINCTA; TRICHOSTRONGYLIDAE; TRICHOSTRONGYLUS; TRICHOSTRONGYLUS VITRINUS;

EID: 0032801669     PISSN: 00207519     EISSN: None     Source Type: Journal    
DOI: 10.1016/S0020-7519(99)00050-8     Document Type: Conference Paper

References (43)

1. Larsen JWA. The pathogenesis and control of diarrhoea and breech soiling ('winter scours') in adult merino sheep. PhD thesis, University of Melbourne, 1997.
2. Larsen J.W.A., Anderson N., Vizard A.L., Anderson G.A., Hoste H. Diarrhoea in Merino ewes during winter: association with Trichostrongylid larvae. Aust Vet J. 71:1994;365-372.
3. Larsen J.W.A., Vizard A.L., Webb-Ware J.K., Anderson N. Diarrhoea due to trichostrongylid larvae in Merino sheep during winter: repeatability and differences between bloodlines. Aust Vet J. 72:1995;196-197.
4. Baker RL, Watson TG, Bisset SA, Vlassoff A, Douch PGC. In: Gray GD, Woolaston RR, editors. Breeding sheep in New Zealand for resistance to internal parasites: research results and commercial application. Melbourne: Breeding for Disease Resistance in Sheep, Wool Research and Development Corporation, 1991:19-32.
5. Douch P.G.C., Green R.S., Morris C.A.et al. Genetic and phenotypic relationships among anti-Trichostrongylus antibody level, faecal egg count and body weight traits in grazing Romney sheep. Livestock Prod Sci. 41:1995;121-132.
6. Fletcher LR, Sutherland BL. Flystrike and faecal contamination in lambs grazing endophyte infected ryegrass. In Hume DE, Latch GCM, Easton HS, editors. Proc 2nd Int Symp Acremonium-grass Interactions, AgResearch, Palmerston North, NZ, 1993:122-124.
7. Pownall DB, Lucas RJ, Familton AF, Love BG, Fletcher LR. Endophyte associated mycotoxins and diarrhoea in lambs. In Hume DE, Latch GCM, Easton HS, editors. Proc 2nd Int Symp Acremonium-grass Interactions, AgResearch, Palmerston North, NZ, 1993:132-134.
8. Rook G.A.W., Hernandez-Pando R., Lightman S.L. Hormones, peripherally activated prohormones and regulation of the Th1/Th2 balance. Parasitol Today. 15:1994;301-303.
9. Reinhardt T.A., Hustmyer F.G. Role of vitamin D in the immune system. J Dairy Sci. 70:1987;952-962.
10. 3 inhibits secretion of interferon-γ by mitogen- and antigen-stimulated bovine mononuclear leukocytes. Vet Immunol and Immunopathol. 52:1996;77-90.
11. Smith B.S.W., Wright H. Relative contribution of diet and sunshine to the overall vitamin D status of the grazing ewe. Vet Rec. 115:1984;537-538.
12. Caple I.W., Babacau E., Pham T.T.et al. Seasonal vitamin D deficiency in sheep in south-eastern Australia. Proc Aust Soc Anim Prod. 17:1988;379.
13. Caple IW. Vitamin D deficiency; In: Sheep medicine, Proceedings 141, Post-graduate Committee in Veterinary Science, University of Sydney 1990:381-386.
14. Radostits OM, Blood DC, Gay GC. Veterinary medicine, 8th edition. London: Baillière Tindall, 1994:1433.
15. Larsen J.W.A., Vizard A.L., Anderson N. Production losses in Merino ewes and financial penalties caused by trichostrongylid infections during winter and spring. Aust Vet J. 72:1995;58-63.
16. McEwan JC, Bisset SA, Morris CA. The selection of sheep for natural resistance to internal parasites. In: Barrell GK, editor. Sustainable control of internal parasites in ruminants. Canterbury: Lincoln University, 1997:161-181.
17. Karlsson L.J.E., Greef J.C. Preliminary genetic parameters of faecal worm egg count and scouring traits in merino sheep selected for low worm egg count in a Mediterranean environment. Proc Aust Soc Anim Prod. 21:1996;477.
18. Greef J.C., Karlsson L.J.E. Genetic relationships between faecal worm egg count and scouring traits in Merino sheep in a Mediterranean environment. Proc Assoc Advancement Anim Breed Genetics. 12:1997;333-337.
19. Meyer H.H., Harvey T.G., Smeaton J.E. Genetic variation in incidence of daggy sheep - an indicator of genetic resistance to parasites? Proc NZ Soc Anim Prod. 43:1983;87-89.
20. Watson T.G., Baker R.L., Harvey T.G. Genetic variation in resistance or tolerance to internal parasites in strains of sheep at Rotomahana. Proc NZ Soc Anim Prod. 46:1986;23-26.
21. Douch P.G.C., Green R.S., Morris C.A., Hickey S.M. Genetic factors affecting antibody responses to four species of nematode parasites in Romney ewe lambs. Int J Parasitol. 25:1995;823-828.
22. Bisset S.A., Morris C.A. Feasibility and implications of breeding sheep for resilience to nematode challenge. Int J Parasitol. 26:1996;857-868.
23. Karlsson L.J.E., Greef J.C., Harris J.F. Genetic trends in a selection line for low faecal worm egg count. Proc Aust Assoc Anim Breed Genetics. 11:1995;122-125.
24. Bisset S.A., Vlassoff A., Douch P.G.C., Jonas W.E., West C.J., Green R.S. Nematode burdens and immunological responses following natural challenge in Romney lambs selectively bred for low or high faecal worm egg count. Vet Parasitol. 61:1996;249-263.
25. Bisset S.A., Vlassoff A., West C.J., Morrison L. Epidemiology of nematodosis in Romney lambs selectively bred for resistance or susceptibility to nematode infection. Vet Parasitol. 70:1997;255-269.
26. Bisset S.A., Morris C.A., Squire D.R., Hickey S.M. Genetics of resilience to nematode parasites in young Romney sheep - use of weight gain under challenge to assess individual anthelmintic treatment requirements. New Zealand J Agric Res. 39:1996;313-323.
27. Weldon M.J., Maxwell J.D. Lymphocyte and macro phage interleukin receptors in inflammatory bowel disease: a more selective target for therapy? Gut. 35:1994;867-871.
28. Choi P.M., Targan S.R. Immunomodulator therapy in inflammatory bowel disease. Dig Dis Sci. 39:1996;1885-1892.
29. Vandeventer S.J.H., Camoglio L. Monoclonal antibody therapy for inflammatory bowel disease. Alimentary Pharmacol Therapeut. 10(Suppl 2):1996;107-111.
30. Duplantier A.J., Turner C.R. Novel pharmacological approaches to the treatment of asthma: status and potential therapeutic classes. Drug Discov Today. 1:1996;199-208.
31. Holt P.G. Immunoprophylaxis of atopy: light at the end of the tunnel? Immunol Today. 15:1994;484-489.
32. Holt P.G. Infections and the development of allergy. Toxicological letters. 86:1996;205-210.
33. 2 cells in allergic inflammation: a target of immunotherapy. Clin Exper Allergy. 26:1996;756-765.
34. Holt P.G. Immunoregulation of the allergic reaction in the respiratory tract. Eur Resp J. 9(Suppl 22):1996;85s-89s.
35. Miller H.R.P. Prospects for the immunological control of ruminant gastrointestinal nematodes: natural immunity, can it be harnessed? Int J Parasitol. 26:1996;801-811.
36. Cabaj W., Stankiewicz M., Jonas W.E., Moore L.G. Fenbendazole and its effect on the immune system of the sheep. NZ Vet J. 42:1994;216-220.
37. Stankiewicz M., Cabaj W., Jonas W.E., Moore L.G., Ng Chie W. Oxfendazole treatment in non-parasitized lambs and its effect on the immune system. Vet Res Comm. 18:1994;7-18.
38. Barton N.J., Rodden B., Steel J.W. The efficacy of a controlled release capsule in suppressing nematode burdens in sheep. Aust Vet J. 67:1990;408-410.
39. McCririe L., Bairden K., Britton C., Buitkamp J., McKeand J.B., Stear M.J. Heterogeneity in the recognition of Ostertagia circumcincta antigens by serum antibody from mature, infected sheep. Parasite Immunol. 19:1997;235-242.
40. McClure SJ, Emery DL. Recent advances in veterinary immunology, particularly mucosal immunity. In: Peters AR, editor. Vaccines for veterinary applications. Oxford: Butterworth and Heinemann, 1993;1-30.
41. Emery D.L., McClure S.J., Wagland B.M. Production of vaccines against gastrointestinal nematodes of livestock. Immunol Cell Biol. 71:1993;463-472.
42. Meeusen E.N.T. Rational design of nematode vaccines; natural antigens. Int J Parasitol. 26:1996;813-818.
43. Klei T.R. Immunological control of gastrointestinal nematode infections. Vet Parasitol. 72:1997;507-516.