The relationship between the rate of intake of trichostrongylid larvae and the occurrence of diarrhoea and breech soiling in adult Merino sheep

Australian Veterinary Journal

Volumn 78, Issue 2, 2000, Pages 112-116

  Larsen, J W A ^a   Anderson, N ^a  

^a UNIVERSITY OF MELBOURNE   (Australia)

Author keywords

Dag; Diarrhoea; Genetic selection; Hypersensitivity; Nematode parasites; Sheep; Trichostrongylid larvae

Indexed keywords

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

ANIMAL; ANIMAL DISEASE; ARTICLE; BREEDING; DIARRHEA; FEMALE; HOSPITALIZATION; HYPERSENSITIVITY; IMMUNOLOGY; OSTERTAGIA; PARASITOLOGY; SHEEP; SHEEP DISEASE; TRICHOSTRONGYLOSIS; TRICHOSTRONGYLUS;

ANIMALS; BREEDING; DIARRHEA; FEMALE; HYPERSENSITIVITY; OSTERTAGIA; OSTERTAGIASIS; SEVERITY OF ILLNESS INDEX; SHEEP; SHEEP DISEASES; TRICHOSTRONGYLOSIS; TRICHOSTRONGYLUS;

EID: 0034134206     PISSN: 00050423     EISSN: None     Source Type: Journal    
DOI: 10.1111/j.1751-0813.2000.tb10537.x     Document Type: Article

References (20)

1. Larsen JWA, Vizard AL, Anderson N. Production losses in Merino ewes and financial penalties caused by trichostrongylid infections during winter and spring. Aust Vet J 1995;72:58-63.
2. Larsen JWA, Anderson N, Vizard AL et al. Diarrhoea in Merino ewes during winter: association with Trichostrongylid larvae. Aust Vet J 1994;71:365-372.
3. Larsen JWA. The pathogenesis and control of diarrhoea and breech soiling in adult Merino sheep. PhD thesis, University of Melbourne, 1997.
4. Ritchie JDS, Anderson N, Armour J et al. Experimental Ostertagia ostertagi infections in calves: parasitology and pathogenesis of a single infection. Amer J Vet Res 1966;27:659-667.
5. Anderson N. Sequential development of resistance to thiabendazole and levamisole in nematodes of sheep. Int J Parasitol 1988;18:243-249.
6. LogXact Logistic Regression Software Featuring Exact Methods. Cytel Software Corporation, MA 02139, USA, 1993.
7. Dean J, Dean A, Burton A, Dicker R. Epi Info; a Word Processing, Database and Statistics System for Epidemiology on Microcomputers, Centers for Disease Control, Atlanta, USA and World Health Organisation, Geneva, Switzerland, 1990.
8. Abacus Concepts. SuperANOVA Accessible Linear Modeling, Abacus Concepts Inc. Berkeley, CA, USA, 1989.
9. Dineen JK. Immunological aspects of parasitism. Nature (London) 1963;197:268-269.
10. Smith WD, Jackson F, Jackson E et al. Manifestations of resistance to ovine ostertagiasis associated with immunological responses in the gastric lymph. J Comp Pathol 1984;94:591-601.
11. Windon RG, Dineen JK, Gregg P et al. The role of thresholds in the response of lambs to vaccination with irradiated Trichostrongylus colubriformis larvae. Int J Parasitol 1984;14:423-428.
12. Leathwick DM, Atkinson DS. Influence of different proportions of Lotus corniculatus in the diet of lambs on dags, flystrike and animal performance. Wool Tech Sheep Breed 1998;46:353-359.
13. Larsen JWA, Vizard AL, Webb-Ware JK, Anderson N. Diarrhoea due to trichostrongylid larvae in Merino sheep during winter: repeatability and differences between bloodlines. Aust Vet J 1995;72:196-197.
14. Woolaston RR and Ward JL. Including dag score in Merino breeding programs. Proc Assoc Advancement Anim Breed Genetics 1999;13:512-515.
15. Anderson N. Trichostrongylid infections of sheep in a winter rainfall region I. Epizootiological studies in the Western District of Victoria, 1966-67. Aust J Agric Res 1972;23:1113-1129.
16. Anderson N. Trichostrongylid infections of sheep in a winter rainfall region II. Epizootiological studies in the Western District of Victoria, 1967-68. Aust J Agric Res 1973;24:599-611.
17. Donald AD. Some recent advances in the epidemiology and control of helminth infection in sheep. Proc Aust Soc Anim Prod 1974;10:148-155.
18. Young R. Populations of free-living stages of Ostertagia ostertagi and O circumcincta in a winter rainfall region. Aust J Agric Res 1983;34:569-581.
19. Cummins L. Breeding worm resistant sheep. In: Cox J, editor. Proc Aust Sheep Vet Soc, 1995;151-153.
20. Woolaston RR and Baker RL. Prospects of breeding small ruminants for resistance to internal parasites. Int J Parasitol 1996;26:845-855.