Effect of birthweight on survival in triplet-born lambs

Australian Journal of Experimental Agriculture

Volumn 48, Issue 7, 2008, Pages 984-987

  Morel, P C H ^a   Morris, S T ^b   Kenyon, P R ^b  

^a MASSEY UNIVERSITY   (New Zealand)

^b MASSEY UNIVERSITY   (New Zealand)

Author keywords

[No Author keywords available]

Indexed keywords

LITTER; MORTALITY; SHEEP; STATISTICAL ANALYSIS; SURVIVAL; WEIGHT;

OVIS ARIES;

EID: 45849152555     PISSN: 08161089     EISSN: None     Source Type: Journal    
DOI: 10.1071/EA07401     Document Type: Conference Paper

References (16)

1. Amer PR, Bodin L (2006) Quantitative genetic selection for twinning rate in ewes. Proceedings of the New Zealand Society of Animal Production 66, 429-433.
2. Amer PR, McEwan JC, Dodds KG, Davis GH (1999) Economic values for ewe prolificacy and lamb survival in New Zealand sheep. Livestock Production Science 58, 75-90. doi: 10.1016/S0301-6226(98)00192-4
3. Clark JN, Rae AL (1976) 'Sheeplan advisers manual.' (Ministry of Agriculture and Fisheries: New Zealand)
4. Dalton CD, Knight TW, Johnson DL (1980) Lamb survival in sheep breeds on New Zealand hill country. New Zealand Journal of Agricultural Research 23, 167-173.
5. de Nicolo G, Morris ST, Kenyon PR, Morel PCH (2008) A comparision of two lamb production systems in New Zealand. New Zealand Journal of Agricultural Research, in press.
6. Dwyer CM, Morgan CA (2006) Maintenance of body temperature in the neonatal lamb: effect of breed, birth weight and litter size. Journal of Animal Science 84, 1093-1101.
7. Fogarty NM, Hall DG, Holst PJ (1992) The effect of nutrition in mid pregnancy and ewe liveweight changes on birth weight and management for lamb survival in highly fecund ewes. Australian Journal of Experimental Agriculture 32, 1-10. doi: 10.1071/EA9920001
8. Kenyon PR, Morel PCH, Morris ST (2004) Effect of liveweight and condition score of ewes at mating and shearing mid-pregnancy, on birthweights and growth rates of twin lambs to weaning. New Zealand Veterinary Journal 52(3), 145-149.
9. Kenyon PR, Revell DK, Morris ST (2006) Mid-pregnancy shearing can increase birthweight and survival to weaning of multiple-born lambs under commercial conditions. Australian Journal of Experimental Agriculture 46, 821-825. doi: 10.1071/EA05329
10. Kenyon PR, Stafford KJ, Jenkinson CMC, Morris ST, West DM (2007) The body composition and metabolic status of twin- and triplet-bearing ewes and their fetuses in late pregnancy. Livestock Science 107, 103-112. doi: 10.1016/j.livsci.2006.09.006
11. Kerslake JJ, Everett-Hinks JM, Campbell AW (2005) Lamb survival: new examination of an old problem. Proceedings of the New Zealand Society of Animal Production 65, 13-18.
12. Morel PCH, Kenyon PR (2006) Sensitivity analysis of weaner lamb production in New Zealand. Proceedings of the New Zealand Society of Animal Production 66, 377-381.
13. Morris ST, Kenyon PR (2004) The effect of litter size and sward height on ewe and lamb performance. New Zealand Journal of Agricultural Research 47, 275-286.
14. Sawalha RM, Conington J, Brotherstone S, Villanueva B (2007) Analyses of lamb survival of Scottish Blackface sheep. Animal 1, 151-157. doi: 10.1017/S1751731107340056
15. Scales GH, Burton RN, Moss RA (1986) Lamb mortality, birth weight and nutrition in late pregnancy. New Zealand Journal of Agricultural Research 29, 75-82.
16. Stafford KJ, Kenyon PR, Morris ST, West DM (2007) The physical state and metabolism status of lambs of different birth rank soon after birth. Livestock Science 111, 10-15. doi: 10.1016/j.livsci.2006.10.018