Reproductive performance and genetic parameters in first cross ewes from different maternal genotypes

Journal of Animal Science

Volumn 86, Issue 4, 2008, Pages 804-814

  Afolayan, R A ^a   Fogarty, N M ^a   Gilmour, A R ^a   Ingham, V M ^a,d   Gaunt, G M ^b   Cummins, L J ^c  

^a NSW DEPARTMENT OF PRIMARY INDUSTRIES   (Australia)

^b DEPARTMENT OF PRIMARY INDUSTRIES   (Australia)

^c Hamilton   (Australia)

^d Agrisearch Services Pty Ltd   (Australia)

Author keywords

Ewe; Genetic correlation; Heritability; Lamb production; Maternal breed

Indexed keywords

ANIMAL; ARTICLE; BREEDING; COHORT ANALYSIS; CROSS BREEDING; FEMALE; FERTILITY; GENETIC VARIABILITY; GENETICS; GENOTYPE; LITTER SIZE; PHYSIOLOGY; PREGNANCY; PREGNANCY RATE; REPRODUCTION; SEASON; SHEEP; STATISTICAL MODEL; SURVIVAL; WEANING;

ANIMALS; BREEDING; COHORT STUDIES; CROSSES, GENETIC; FEMALE; FERTILITY; GENOTYPE; LINEAR MODELS; LITTER SIZE; PREGNANCY; PREGNANCY RATE; REPRODUCTION; SEASONS; SHEEP; SURVIVAL ANALYSIS; VARIATION (GENETICS); WEANING;

FRIESIA; OVIS ARIES;

EID: 42149117042     PISSN: 00218812     EISSN: None     Source Type: Journal    
DOI: 10.2527/jas.2007-0544     Document Type: Article

References (46)

1. Afolayan, R. A., N. M. Fogarty, V. M. Ingham, A. R. Gilmour, G. M. Gaunt, L. J. Cummins, and T. Pollard. 2007. Genetic evaluation of crossbred lamb production. 3. Growth and carcass performance of second-cross lambs. Aust. J. Agric. Res. 58:457-466.
2. Brown, D. J., A. J. Ball, A. E. Huisman, A. A. Swan, K. D. Atkins, H. U. Graser, R. G. Banks, P. Swan, and R. R. Woolaston. 2006. Sheep Genetics Australia: A national genetic evaluation system for Australian sheep. Proceedings of the 8th World Congress on Genetics Applied to Livestock Production, Belo Horizonte, Brazil, August, 2006CD-ROM Communication 05-03.
3. Casas, E., B. A. Freking, and K. A. Leymaster. 2004. Evaluation of Dorset, Pinnsheep, Romanov, Texel, and Montadale breeds of sheep: II. Reproduction of F-1 ewes in fall mating seasons. J. Anim. Sci. 82:1280-1289.
4. Casas, E., B. A. Freking, and K. A. Leymaster. 2005. Evaluation of Dorset, Finnsheep, Romanov, Texel, and Montadale breeds of sheep: V. Reproduction of F-1 ewes in spring mating seasons. J. Anim. Sci. 83:2743-2751.
5. Casellas, J., G. Caja, A. Ferret, and J. Piedrafita. 2007. Analysis of litter size and days to lambing in the Ripollesa ewe. II. Estimation of variance components and response to phenotypic selection on litter size. J. Anim. Sci. 85:625-631.
6. Cloete, S. W. P., A. R. Gilmour, J. J. Olivier, and J. B. van Wyk. 2004. Genetic and phenotypic trends and parameters in reproduction, greasy fleece weight and liveweight in Merino lines divergently selected for multiple lamb survival. Aust. J. Exp. Agric. 44:745-754.
7. Cummins, L. J., N. M. Fogarty, J. Hocking-Edwards, N. Edwards, J. Stafford, and G. Gaunt. 2002. The economic return from first-cross ewes is dependent on the genetic value of their sire. Wool Technol. Sheep Breed. 50:602-607.
8. Davis, G. H., C. A. Morris, and K. G. Dodds. 1998. Genetic studies of prolificacy in New Zealand sheep. Anim. Sci. 67:289-297.
9. Donnelly, J. R. 1984. The productivity of breeding ewes grazing on lucerne or grass and clover pastures on the tablelands of southern Australia. III. Lamb mortality and weaning percentage. Aust. J. Agric. Res. 35:709-721.
10. Ercanbrack, S. K., and A. D. Knight. 1998. Responses to various selection protocols for lamb production in Rambouillet, Targhee, Columbia, and Polypay sheep. J. Anim. Sci. 76:1311-1325.
11. Fogarty, N. M. 1994. Response to selection for lamb production in an 8-monthly system. Proc. 5th World Congr. Genet. Appl. Livest. Prod., Guelph, Canada 18:79-82.
12. Fogarty, N. M. 1995. Genetic parameters for live weight, fat and muscle measurements, wool production and reproduction in sheep: A review. Anim. Breed. Abstr. 63:101-143.
13. Fogarty, N. M., L. D. Brash, and A. R. Gilmour. 1994. Genetic parameters for reproduction and lamb production and their components and liveweight, fat depth and wool production in Hyfer sheep. Aust. J. Agric. Res. 45:443-457.
14. Fogarty, N. M., G. E. Dickerson, and L. D. Young. 1984. Lamb production and its components in pure breeds and composite lines. II. Breed effects and heterosis. J. Anim. Sci. 58:301-311.
15. Fogarty, N. M., and D. G. Hall. 1995. Performance of crossbred progeny of Trangie Fertility Merino and Booroola Merino rams and Poll Dorset ewes. 3. Reproduction, liveweight and wool production of adult ewes. Aust. J. Exp. Agric. 35:1083-1091.
16. Fogarty, N. M., V. M. Ingham, A. R. Gilmour, R. A. Afolayan, L. J. Cummins, J. E. Hocking Edwards, and G. M. Gaunt. 2007. Genetic evaluation of crossbred lamb production. 5. Age of puberty and lambing performance of yearling crossbred ewes. Aust. J. Agric. Res. 58:928-934.
17. Fogarty, N. M., V. M. Ingham, A. R. Gilmour, L. J. Cummins, G. M. Gaunt, J. Stafford, J. E. Hocking Edwards, and R. G. Banks. 2005a. Genetic evaluation of crossbred lamb production. 1. Breed and fixed effects for birth and weaning weight of first-cross lambs, gestation length, and reproduction of base ewes. Aust. J. Agric. Res. 56:443-453.
18. Fogarty, N. M., V. M. Ingham, L. McLeod, G. M. Gaunt, and L. J. Cummins. 2006. Genetic resources to increase the profitability of crossbred lamb production. Aust. J Exp. Agric. 46:799-802.
19. Fogarty, N. M., V. M. Ingham, L. McLeod, J. E. Morgan, and G. M. Gaunt. 2005b. Dynamic dams for lamb production: More $$$s from crossbred ewes with the right genetics. Technical Bulletin 50, NSW Department of Primary Industries, Orange, Australia. http://www.dpi.nsw.gov.au/agriculture/ livestock/sheep/breed-select/meat/dams Accessed Feb. 1, 2008.
20. Freking, B. A., K. A. Leymaster, and L. D. Young. 2000. Evaluation of Dorset, Finnsheep, Romanov, Texel, and Montadale breeds of sheep: 1. Effects of ram breed on productivity of ewes of two crossbred populations. J. Anim. Sci. 78:1422-1429.
21. Gallivan, C., R. A. Kemp, Y. M. Berger, and L. D. Young. 1993. Comparison of Finnish Landrace and Romanov as Prolific Breeds in a Terminal-Sire Crossbreeding System. J. Anim. Sci. 71:2910-2918.
22. Gilmour, A. R., B. J. Gogel, B. R. Cullis, and R. Thompson. 2006. ASReml User Guide Release 2.0. VSN International Ltd., Kernel Hempstead, UK.
23. Hanford, K. J., L. D. Van Vleck, and G. D. Snowder. 2003. Estimates of genetic parameters and genetic change for reproduction, weight, and wool characteristics of Targhee sheep. J. Anim. Sci. 81:630-640.
24. Hanford, K. J., L. D. Van Vleck, and G. D. Snowder. 2005. Estimates of genetic parameters and genetic change for reproduction, weight, and wool characteristics of Rambouillet sheep. Small Rumin. Res. 57:175-186.
25. Hanford, K. J., L. D. Van Vleck, and G. D. Snowder. 2006. Estimates of genetic parameters and genetic trend for reproduction, weight, and wool characteristics of Polypay sheep. Livest. Sci. 102:72-82.
26. Ingham, V. M., N. M. Fogarty, A. R. Gilmour, R. A. Afolayan, L. J. Cummins, G. M. Gaunt, J. Stafford, and J. E. Hocking Edwards. 2007. Genetic evaluation of crossbred lamb production. 4. Genetic parameters for first cross animal performance. Aust. J. Agric. Res. 58:839-846.
27. Maxa, J., E. Norberg, P. Berg, and J. Pedersen. 2007. Genetic parameters for growth traits and litter size in Danish Texel, Shropshire. Oxford Down and Suffolk. Small Rumin. Res. 68:312-317.
28. McEwan, J. C., G. H. Davis, K. G. Dodds, P. F. Fennessy, J. N. Clarke, G. D. Bruce, and M. G. Hishon. 1992. Comparison of growth, hogget fleece weight and reproductive traits of three sheep breeds from a flock selected for prolificacy and a Romney control flock. Proc. N. Z. Soc. Anim. Prod. 52:211-215.
29. McMillan, W. H., and M. F. McDonald. 1983. Reproduction in ewe lambs and its effect on 2-year-old performance. N. Z. J. Agric. Res. 26:437-442.
30. Meyer, H. H., R. L. Baker, T. G. Harvey, and S. M. Hickey. 1994a. Effects of Booroola Merino breeding and the Fec(B) gene on performance of crosses with longwool breeds. 2. Effects on reproxductive performance and weight of lamb weaned by young ewes. Livest. Prod. Sci. 39:191-200.
31. Meyer, H. H., L. R. Piper, B. M. Bindon, and R. R. Woolaston. 1994b. Litter size and uterine efficiency of Booroola Merinos, Control Merinos and their crosses with Border Leicester and Dorset. Livest. Prod. Sci. 38:217-223.
32. Mohd-Yusuff, M. K., G. E. Dickerson, and L. D. Young. 1992. Reproductive rate and genetic and genetic variation in composite and parental populations: Experimental results in sheep. J. Anim. Sci. 70:673-688.
33. Moore, R. W., R. M. W. Sumner, J. J. Baas, and H.-U. P. Hockey. 1983. Hogget lambing and its effect on the subsequent two-tooth performance of 3 breeds. Proc. N. Z. Soc. Anim. Prod. 43:21-24.
34. Morgan, J. E., N. M. Fogarty, S. Nielsen, and A. R. Gilmour. 2006. Milk yield and milk composition from grazing primiparous non-dairy crossbred ewes. Aust. J. Agric. Res. 57:377-387.
35. Piper, L. R., B. M. Bindon, and G. H. Davis. 1985. The single gene inheritance of the prolificacy of the Booroola Merino. Pages 115-125 in Genetics of Reproduction in Sheep. L. R. Piper and D. W. Robinson, ed. Butterworths, London, UK.
36. Pitchford, W. S. 1993. Growth and lambing performance of ewes from crosses between the Dorset Horn. Merino and Corriedale. Livest. Prod. Sci. 33:127-139.
37. Ponzoni, R. W., S. K. Walker, J. R. W. Walkley, and M. R. Fleet. 1985. The productivity of Bungaree, Booroola x Bungaree and Trangie Fertility x Bungaree Merino ewes in South Australia. Pages 127-137 in Genetics of Reproduction in Sheep. L. R. Piper and D. W. Robinson, ed. Butterworths, London, UK.
38. Quirke, J. F., G. H. Stabenfeldt, and G. E. Bradford. 1988. Year and season effects on oestrus and ovarian activity in ewes of different breeds and crosses. Anim. Reprod. Sci. 16:39-52.
39. Rosati, A., E. Mousa, L. D. van Vleck, and L. D. Young. 2002. Genetic parameters of reproductive traits in sheep. Small Rumin. Res. 43:65-74.
40. Safari, E., N. M. Fogarty, and A. R. Gilmour. 2005. A review of genetic parameter estimates for wool, growth, meat and reproduction traits in sheep. Livest. Prod. Sci. 92:271-289.
41. Safari, E., N. M. Fogarty, A. R. Gilmour, K. D. Atkins, S. I. Mortimer, A. A. Swan, F. D. Brien, J. C. Greeff, and J. H. J. van der Werf. 2007a. Across population genetic parameters for wool, growth, and reproduction traits in Australian Merino sheep. 2. Estimates of heritability and variance components. Aust. J. Agric. Res. 58:177-184.
42. Safari, E., N. M. Fogarty, A. R. Gilmour, K. D. Atkins, S. I. Mortimer, A. A. Swan, F. D. Brien, J. C. Greeff, and J. H. J. van der Werf. 2007b. Genetic correlations among and between wool, growth and reproduction traits in Merino sheep. J. Anim. Breed. Genet. 124:65-72.
43. Snowder, G. D., J. N. Stellflug, and L. D. Van Vleck. 2004. Genetic correlation of ram sexual performance with ewe reproductive traits of four sheep breeds. Appl. Anim. Behav. Sci. 88:253-261.
44. Spiker, S. A., L. J. Cummins, and M. A. Brockhus. 1987. Performance of purebred and crossbred ewes for prime lamb production. Proc. Aust. Assoc. Anim. Breed. Genet. 6:297-299.
45. Vanimisetti, H. B., D. R. Notter, and L. A. Kuehn. 2007. Genetic (co) variance components for ewe productivity traits in Katahdin sheep. J. Anim. Sci. 85:60-68.
46. Young, L. D., and G. E. Dickerson. 1991. Comparison of Booroola Merino and Finnsheep: Effects on productivity of mates and performance of crossbred lambs. J. Anim. Sci. 69:1899-1911.