Genetic resistance to gastro-intestinal nematode parasites in Red Maasai, Dorper and Red Maasai × Dorper ewes in the sub-humid tropics

Animal Science

Volumn 69, Issue 2, 1999, Pages 335-344

  Baker, R L ^a   Mwamachi, D M ^b   Audho, J O ^a   Aduda, E O ^a   Thorpe, W ^a  

^a INTERNATIONAL LIVESTOCK RESEARCH INSTITUTE   (Kenya)

^b KENYA AGRICULTURAL RESEARCH INSTITUTE   (Kenya)

Author keywords

Genetic resistance; Haemonchus contortus; Humid tropics; Sheep

Indexed keywords

EID: 22844456447     PISSN: 13577298     EISSN: None     Source Type: Journal    
DOI: 10.1017/s1357729800050906     Document Type: Article

References (31)

1. Baker, R. L. 1998. A review of genetic resistance to gastrointestinal nematode parasites in sheep and goats in the tropics and evidence for resistance in some sheep and goat breeds in sub-humid coastal Kenya. Animal Genetic Resources Information Bulletin 24: 13-30.
2. Baker, R. L., Mwamachi, D. M., Audho, J. O., Aduda, E. O. and Thorpe, W. 1998a. Resistance of Galla and Small East African goats in the sub-humid tropics to gastrointestinal nematode infections and the peri-parturient rise in faecal egg counts. Veterinary Parasitology 79: 53-64.
3. Baker, R. L., Mwamachi, D. M., Audho, J. O. and Thorpe, W. 1994. Genetic resistance to gastrointestinal nematode parasites in Red Maasai sheep in Kenya. Proceedings of the fifth world congress on genetics applied to livestock production, Guelph, vol. 20, pp. 277-280.
4. Baker, R. L., Rege, J. E. O., Tembely, S., Mukasa-Mugenva, E., Anindo, D., Mwamachi, D. M., Thorpe, W. and Lahlou-Kassi, A. 1998b. Genetic resistance to gastrointestinal nematode parasites in some indigenous breeds of sheep and goats in East Africa. Proceedings of the sixth world congress on genetics applied to livestock production, Armidale, vol. 25, pp. 269-272.
5. Barger, I. A. 1993. Influence of sex and reproduction status on susceptibility of ruminants to nematode parasitism. International Journal for Parasitology 23: 463-469.
6. Bishop, S. C. and Stear, M. J. 1997. Modelling responses to selection for resistance to gastro-intestinal parasites in sheep. Animal Science 64: 469-478.
7. Bullerdiek, P. 1996. Appraisal of various management interventions in a sheep production system with high gastrointestinal parasite challenge in a subhumid tropical environment. Ph.D. thesis, Humboldt University, Berlin, Germany.
8. Courtney, C. H., Parker, C. F., McClure, K. E. and Herd, R. P. 1984. A comparison of the periparturient rise in faecal egg counts of exotic and domestic ewes. International Journal for Parasitology 14: 377-381.
9. Doligalska, M., Moskwa, B. and Niznikowski, R. 1997. The repeatability of faecal egg counts in Polish Wrzosowka sheep. Veterinary Parasitology 70: 241-246.
10. Donald, A. D., Morley, F. W. H., Waller, P. J., Axelson, A., Dobson, R. J. and Donnelly, J. 1982. Effects of reproduction, genotype and anthelmintic treatment of ewes on Ostertagia spp. populations. International Journal for Parasitology 12: 403-411.
11. Gruner, L., Bouix, J., Cabaret, J., Boulard, C., Cornet, J., Sauve, C., Molenat, G. and Calamel, M. 1992. Effect of genetic type, lactation and management on helminth infections of ewes in an intensive grazing system on irrigated pasture. International Journal for Parasitology 22: 919-925.
12. Hansen, J. and Perry, B. 1994. The epidemiology, diagnosis and control of helminth parasites of ruminants, second edition. International Laboratory for Research on Animal Diseases (ILRAD), Nairobi, Kenya.
13. Harvey, W. R. 1990. Users guide for the PC-2 version of the LSMLMW and MIXMDL mixed model least squares and maximum likelihood computer program. Ohio State University, Columbus, Ohio.
14. Inyangala, B. A. O., Rege, J. E. O. and Itulya, S. 1992. The performance of Dorper and Dorper × Red Maasai sheep. Discovery and Innovation 4: 76-82.
15. Jaetzold, R. and Schmidt, H. 1983. Farm management handbook of Kenya. Natural conditions and farm information - part C, East Kenya (eastern and coast provinces), vol. 2. Ministry of Agriculture in cooperation with the German agricultural team of the Germany Agency for Technical Cooperation (GTZ).
16. Kiriro, P. M. 1994. Estimate of genetic and phehotypic parameters for the Dorper, Red Maasai and their crosses. In Second biennial conference of the African small ruminant research network (ed. S. H. B. Lebbie, B. Rey and E. K. Irungu), pp. 229-234. International Livestock Centre for Africa, Addis Ababa, Ethiopia.
17. Ministry of Agriculture, Fisheries and Food. 1977. Manual of veterinary parasitology laboratory technique. Ministry of Agriculture, Fisheries and Food technical bulletin, no. 18. Her Majesty's Stationery Office, London.
18. Morris, C. A., Bisset, S. A., Vlassoff, A., West, C. J. and Wheeler, M. 1998. Faecal nematode egg counts in lactating ewes from Romney flocks selectively bred for divergence in lamb faecal egg count. Animal Science 67: 283-288.
19. Morris, C. A., Watson, T. G., Baker, R. L., Hurford, A. P. and Hosking, B. C. 1993. Repeatability estimates and selection flock effects for faecal nematode egg counts in Romney breeding ewes. Proceedings of the New Zealand Society of Animal Production 53: 227-229.
20. Mugambi, J. M., Bain, R. K., Wanyangu, S. W., Ihiga, M. A., Duncan, J. L., Murray, M. and Stear, M. J. 1997. Resistance of four sheep breeds to natural and subsequent artificial Haemonchus contortus infection. - Veterinary Parasitology 69: 265-273.
21. Mugambi, J. M., Wanyangu, S. W., Bain, R. K., Owango, M. O., Duncan, J. L. and Stear, M. J. 1996. Response of Dorper and Red Maasai lambs to trickle. Haemonchus contortus infections. Research in Veterinary Science 61: 218-221.
22. Paris, J., Murray, M. and McOdimba, F. A. 1982. An evaluation of the sensitivity of current parasitological techniques for the diagnosis of bovine African trypanosomiasis. Acta Tropica 39: 307-316.
23. Payne, R. W., Lane, P. W., Digby, P. G. N., Harding, S. A., Leech, P. K., Morgan, G. W., Todd, A., Thompson, R., Tunncliffe Wilson, G., Welham, S. J. and White, R. P. 1997. Genstat 5 release 3 reference manual. Clarendon Press, Oxford.
24. Preston, J. M. and Allonby, E. W. 1978. The influence of breed on the susceptibility of sheep and goats to a single experimental infection with Haemonchus contortus. Veterinary Record 103: 509-512.
25. Preston, J. M. and Allonby, E. W. 1979. The influence of breed on the susceptibility of sheep to Haemonchus contortus infection in Kenya. Research in Veterinary Science 26: 134-139.
26. Romjali, E., Dorny, P., Batubara, A., Pandey, V. S. and Gatenby, R. M. 1997. Peri-parturient rise in faecal strongyle egg counts of different genotypes of sheep in North Sumatra, Indonesia. Veterinary Parasitology 68: 191-196.
27. Statistical Analysis Systems Institute. 1989. SAS/STAT user's guide, version 6, fourth edition, volume 1. Cary, NC.
28. Tembely, S., Lahlou-Kassi, A., Rege, J. E. O., Mukasa-Mugerwa, E., Anindo, A., Sovani, S. and Baker, R. L. 1998. Breed and season effects on the peri-parturient rise in nematode egg output in indigenous ewes in a cool tropical environment. Veterinary Parasitology 77: 123-132.
29. Wanyangu, S. W., Mugambi, J. M., Bain, R. K., Duncan, J. L., Murray, M. and Stear, M. J. 1997. Response to artificial and subsequent natural infection with Haemonchus contortus in Red Maasai and Dorper ewes. Veterinary Parasitology 69: 275-282.
30. Woolaston, R. R. 1992. Selection of Merino sheep for increased and decreased resistance to Haemonchus contortus: peri-parturient effects on faecal egg counts. International Journal for Parasitology 22: 947-953.
31. Zajac, A. M., Herd, R. P. and McClure, K. E. 1988. Trichostrongylid parasite population in pregnant or lactating and unmated Florida Native and Dorset Rambouillet ewes. International Journal for Parasitology 18: 981-985.