The effect of breeding ewe lambs on subsequent two-year-old ewe performance

Livestock Science

Volumn 115, Issue 2-3, 2008, Pages 206-210

  Kenyon, P R ^a   Proctor, L ^a   Morel, P C H ^a   Morris, S T ^a   West, D M ^a  

^a MASSEY UNIVERSITY   (New Zealand)

Author keywords

Breeding; Ewe lamb; Hogget; Lamb birthweight; Mating; Two tooth

Indexed keywords

OVIS ARIES;

EID: 41949124199     PISSN: 18711413     EISSN: None     Source Type: Journal    
DOI: 10.1016/j.livsci.2007.07.008     Document Type: Article

References (20)

1. Akcapinar H., Unal N., and Atasoy F. The effects of early age mating on some production traits of Bafra (Chios × Karayaka) sheep. Turkish Journal of Veterinary and Animal Science 29 (2005) 531-536
2. Anon. New Zealand Ministry of Agriculture and Fisheries statistics (2005). www.maf.govt.nz/statistics
3. Baker R.L., Clarke J.N., and Diprose G.D. Effect of mating Romney ewe hoggets on lifetime production-preliminary results. Proceedings of the New Zealand Society of Animal Production 41 (1981) 198-203
4. Cannon D.J., and Bath J.G. Effect of age at first joining on lifetime production by Border Leicester × Merino ewes. Australian Journal of Experimental Agriculture and Animal Husbandry 9 (1969) 477-491
5. Chang T.S., and Rae A.L. The genetic basis of growth, reproduction, and maternal environment in Romney ewes. I. Genetic variation hogget characters and fertility of the ewe. Australian Journal of Agricultural Research 21 (1970) 115-129
6. Chang T.S., and Rae A.L. The genetic basis of growth, reproduction, and maternal environment in Romney ewes. II. Genetic covariation between hogget characters, fertility, and maternal environment of the ewe. Australian Journal of Agricultural Research 23 (1972) 149-165
7. Hight G.K. Improving the efficiency of breeding schemes. In: Wickham G.A., and McDonald M.F. (Eds). Sheep Production. Breeding and Reproduction vol. 1 (1982), New Zealand Institute of Agricultural Science, Wellington, New Zealand 169-199
8. Jefferies B.C. Body condition scoring and its use in management. Tasmanian Journal of Agriculture 32 (1961) 19-21
9. Keane M.G. Effect of previous lambing on body weight and reproductive performance of hoggets. Irish Journal of Agricultural Research 13 (1974) 191-196
10. Kenyon P.R., Morris S.T., Perkins N.R., and West D.M. Hogget mating in New Zealand-a survey. Proceedings of the New Zealand Society of Animal Production 64 (2004) 217-222
11. Kenyon P.R., Pinchbeck G.L., Perkins N.R., Morris S.T., and West D.M. Identifying factors which maximise the lambing percentage of hoggets: a cross sectional study. New Zealand Veterinary Journal 52 (2004) 371-377
12. McCall D.G., and Hight G.K. Environmental influences on hogget lambing performance and the relationship between hogget and two-tooth lambing performance. New Zealand Journal of Agricultural Research 24 (1981) 145-152
13. McGloughlin P., and Crowley J.P. Effect of previous lambing on milk yield of 2-year-old ewes. Irish Journal of Agricultural Research 10 (1971) 110-113
14. McMillan W.H., and McDonald M.F. Reproduction in ewe lambs and its effect on 2-year-old performance. New Zealand Journal of Agricultural Research 26 (1983) 437-442
15. Moore R.W., and Miller C.M. The effect of early rearing on the growth and subsequent reproduction of Romney ewes. New Zealand Ministry of Agriculture and Fisheries, Agricultural Research Division. Annual Report 1981/82 (1983)
16. Moore R.W., Sumner R.M.W., Bass J.J., and Hockey H.U.P. Hogget lambing and its effect on the subsequent two-tooth performance of three breeds. Proceedings of the New Zealand Society of Animal Production 43 (1983) 21-24
17. Ponzoni R.W., Azzarini M., and Walker S.K. Production in mature corriedale ewes first mated at 7 to 11 or 18 months of age. Animal Production 29 (1979) 385-391
18. Rattray P.V., Jagusch K.T., and Smeaton D.C. Interactions between feed quality, feed quantity, body weight and flushing. Proceedings of the 13th Annual Seminar of the Society of Sheep and Beef Cattle Veterinarians of the New Zealand Veterinary Association (1983) 21-34
19. Spencer D.A., Schott R.G., Phillips R.W., and Aune B. Performance of ewes bred first as lambs compared with ewes bred first as yearlings. Journal of Animal Science 1 (1942) 27-32
20. Suiter R.J., and Croker K.P. Mating weaners does not affect future ewe performance. Journal of Agriculture: Western Australia 11 (1970) 92