Breeding for worm resistance - Whole farm benefits

International Journal of Sheep and Wool Science

Volumn 54, Issue 2, 2006, Pages 8-14

  Greeff, Johan C ^a   Karlsson, L J E ^a  

^a Department of Agriculture Western Australia   (United States)

Author keywords

[No Author keywords available]

Indexed keywords

ANIMALIA; OVIS; OVIS ARIES;

BIOLOGICAL RESISTANCE; BREED; ENVIRONMENTAL PROTECTION; GENETIC MODIFICATION; LIVESTOCK PRODUCTION; PEST CONTROL;

EID: 33751049415     PISSN: 18328679     EISSN: 18328679     Source Type: Journal    
DOI: None     Document Type: Conference Paper

References (13)

1. Besier, B., Lyon, J., McQuade, N., 1996. Drench resistance - a large economic cost. W.A. Journal of Agriculture 37, 60-63.
2. Bishop, S. C., Stear, M. J., 1997. Modeling responses to selection for resistance to gastro-intestinal parasites in sheep. Animal Science 64, 469-478.
3. Bisset, S. A., Vlassoff, A., West, C.J., Morrison, L., 1997. Epidemiology of nematodosis in Romney lambs selectively bred for resistance or susceptibility to nematode infection. Veterinary Parasitology 70, 255-269.
4. Eady, S. J., Woolaston, R. R., Lewer, R. P., Raadsma, H. W., Swan, A. A., Ponzoni, R. W., 1998. Resistance to nematode parasites in Merino sheep: correlation with production traits. Australian Journal of Agricultural Research 49, 1201-1211.
5. Greeff. J. C., Karlsson, L. J. E., Harris, J., 1995. Heritability of faecal worm egg count at different times of the year in a Mediterranean environment. Proceedings of the Australian, Association for Animal Breeding and Genetics 11, 117-121.
6. Greeff, J. C., Karlsson, L. J. E., 1998. The genetic relationship between faecal consistency, faecal worm egg counts and wool traits in Merino sheep. Proceedings of the 6th World Congress on Genetics Applied to Livestock Production 24, 63-66.
7. Greeff, J. C., Karlsson, L. J. E., Besier, B., 1999. Breeding for resistance to internal parasites. Proceedings of the 13th Conference of the Australian Association for the Advancement of Animal Breeding and Genetics. Beef Industry and CRC for Premium Quality Wool industry symposia, 150-155.
8. Karlsson, L. J. E., Greeff, J. C., 2004. Recommendations to breeding for worm resistance in a Mediterranean environment. Department of Agriculture Western Australia.
9. Morris, C. A., Vlassoff, A., Bisset, S. A., Baker, R. L., Watson, T. G., West, C. J., Wheeler, M., 2000. Continued selection of Romney sheep for resistance or susceptibility to nematode infection: estimates of direct and correlated responses. Animal Science 70, 17-27.
10. Pollott, G. E., Karlsson, L. J. E., Eady, S. J., Greeff, J. C., 2004. Genetic parameters for indicators of host resistance to parasites from weaning to hogget age in Merino sheep. Journal of Animal Science 82, 2852-2864.
11. Pollott, G. E., Greeff, J. C., 2004a. Genetic relationships between faecal egg count and production traits in commercial Merino sheep flocks. Animal Science 79, 21-32.
12. Pollott, G. E., Greeff, J. C., 2004b. Genotype x environmental interactions and genetic parameters for faecal egg count and production traits of Merino sheep. Journal of Animal Science 82, 2840-2851.
13. Woolaston, R. R., Piper, L. R., 1996. Selection for Merino sheep for resistance to Haemonchus contortus: genetic variation. Animal Science 62, 451-460.