Animal model evaluation of dairy traits in US sheep breeds, their crosses and three synthetic populations

Small Ruminant Research

Volumn 34, Issue 1, 1999, Pages 1-9

  Sakul, H ^a   Boylan, W J ^a   Shrestha, J N B ^b  

^a UNIVERSITY OF MINNESOTA   (United States)

^b AGRICULTURE AND AGRI FOOD CANADA   (Canada)

Author keywords

Animal model; Composition; Dairy sheep; Milk yield

Indexed keywords

EID: 0032877997     PISSN: 09214488     EISSN: None     Source Type: Journal    
DOI: 10.1016/S0921-4488(99)00048-6     Document Type: Article

References (24)

1. Aleandri R., Nardone A., Russo V. Milk yield for the cheesemaking process: Quantitative trait loci and selection strategies. Proc. of the third World Cong. on Genet. Appl. Livest. Prod. 12:1986;64-69.
2. Barillet F., Elsen J.M., Roussely M. Optimization of a selection scheme for milk composition and yield in milking ewes: Example of the Lacaune breed. Proc. of the third World Cong. on Genet. Appl. to Livest. Prod. 9:1986;658-664.
3. Barillet, F., Boichard, D., Barbat, A., Astruc, J.M., Bonaiti, B., 1990. Use of animal model for genetic evaluation of dairy sheep. Proc. 41st Ann. Meet. of the EAAP, Toulouse, France, pp. 1-7.
4. Boylan W.J. An alternative Canadian enterprise-dairy sheep. Sheep Canada. 12:1987;8.
5. Duncan D.B. Mutiple range and multiple F tests. Biometrics. 11:1955;1-42.
6. Flamant J.C., Barillet F. Adaptation of the principles of selection for milk production to milking ewes: A review. Livest. Prod. Sci. 9:1982;549-559.
7. Flamant J.C., Bonaiti B. Evaluation des aptitudes laitières des brebis de race pure ou croisées Romanov [Evaluation of the milking abilities of purebred and crossbred Romanov ewes]. Annales de Génétique et de Séléction Animale. 11:1979;223-240.
8. Henderson C.R. A simple method for computing the inverse of a numerator relationship matrix used in prediction of breeding values. Biometrics. 32:1976;69-83.
9. Henderson C.R., Quaas R.L. Multiple trait evaluation using relatives' records. J. Anim. Sci. 43:1976;1188-1197.
10. Kramer C.Y. Extension of multiple range tests to group correlated adjusted means. Biometrics. 13:1957;31-38.
11. Mavrogenis A.P., Louca A. Effects of different husbandry systems on milk production of purebred and crossbred sheep. Anim. Prod. 31:1980;171-176.
12. Niznikowski R., Tyszka Z.J., Janikowski W. Meat, wool and milk utilization together with comparison of F1 coming from Finnsheep rams with F1 coming from other prolific breeds. J. Agric. Sci. (Finland). 60:1988;534-537.
13. Quaas R.L., Pollak E.J. Mixed model methodology for farm and ranch beef cattle testing programs. J. Anim. Sci. 51:1980;1277-1287.
14. Ricordeau G., Tchamitchian L., Poivey J.P. Performance, development and use of Romanov in France. J. Agric. Sci. (Finland). 60:1988;558-565.
15. Sakul H., Boylan W.J. Evaluation of US sheep breeds for milk production and milk composition. Small Rumin. Res. 7:1992;195-201.
16. Sakul, H., Boylan, W.J., 1993. Genetic and phenotypic parameters of milk traits in sheep. Proceedings of the Seventh World Conference on Animal Production, vol. 2, Edmonton, Canada, pp. 5-6.
17. Shafto A.M., Crow G.H., Shrestha J.N.B., Parker R.J., McVetty P.B., Palmer W.M. Genetic evaluation of lamb performance in Outaouais Arcott and Suffolk sheep, their crosses and Canadian Arcott- or Hampshire sired three breed crosses. Can. J. Anim. Sci. 76:1996;15-22.
18. Shrestha J.N.B., Hansen C. Developing synthetic breeds of sheep: A review of the Canadian experience. Proc. of the sixth World Cong. on Genet. Appl. Livest. Prod. 24:1998;121-124.
19. Shrestha J.N.B., Peters H.F., Heaney D.P., Van Vleck L.D. Genetic trends over 20 years of selection in the three synthetic Arcotts, Suffolk and Finnish Landrace sheep breeds. 1. Early growth traits. Can. J. Anim. Sci. 76:1996;23-34.
20. Slen S.B., Clark R.D., Hironaka R. A comparison of milk production and its relation to lamb growth in five breeds of sheep. Can. J. Anim. Sci. 43:1963;16-21.
21. United States Department of Agriculture, 1990. US trade and prospects: Dairy, livestock and poultry products. Foreign Agricultural Service, Circular Series FDLP 12-90.
22. Westell R.A., Van Vleck L.D. Simultaneous genetic evaluation of sires and cows for a large population of dairy cattle. J. Dairy Sci. 70:1987;1006-1017.
23. Westell R.A., Quaas R.L., Van Vleck L.D. Genetic groups in an animal model. J. Dairy Sci. 71:1988;1310-1318.
24. Wiggans G.R. Animal model evaluation of dairy goats for milk, fat, and protein yields with crossbred animals included. J. Dairy Sci. 72:1989;2411-2416.