Seasonal effects on birth weight of lambs born to prolific ewes maintained under intensive management

Livestock Science

Volumn 105, Issue 1-3, 2006, Pages 277-283

  Gootwine, E ^a   Rozov, A ^a  

^a VOLCANI CENTER   (Israel)

Author keywords

Assaf; Birth weight; Heat load; Photoperiod; Seasonality; Sheep

Indexed keywords

OVIS; OVIS ARIES;

EID: 33750479064     PISSN: 18711413     EISSN: None     Source Type: Journal    
DOI: 10.1016/j.livsci.2006.06.018     Document Type: Article

References (24)

1. Aharoni Y., Brosh A., and Ezra E. Effects of heat load and photoperiod on milk yield and composition in three dairy herds in Israel. Anim. Sci. 69 (1999) 37-47
2. Al-Shorepy S.A., and Notter D.R. Genetic parameters for lamb birthweight in spring and autumn lambing. Anim. Sci. 67 (1998) 327-332
3. Arendt J. Melatonin and the pineal gland: influence on mammalian seasonal and circadian physiology. Rev. Reprod. 3 (1998) 13-22
4. Bassett J.M., Curtis N., Hanson C., and Weeding C.M. Effects of altered photoperiod or maternal melatonin administration on plasma prolactin concentrations in fetal lambs. J. Endocrinol. 122 (1989) 633-643
5. Fogarty N.M., Hopkins D.L., and van der Van R. Lamb production from diverse genotypes, 1. Lamb growth and survival and ewe performance. Anim. Sci. 70 (2000) 135-145
6. Gootwine E., Zenou A., Bor A., Yossefi S., Rosov A., and Pollott G.E. Genetic and economic analysis of introgression the B allele of the FecB (Booroola) gene into the Awassi and Assaf dairy breeds. Livest. Prod. Sci. 71 (2001) 49-58
7. Gootwine E., Rozov A., Bor A., and Reicher S. Carrying the FecB (Booroola) mutation is associated with lower birth weight and slower post-weaning growth rate for lambs, as well as a lighter mature body weight for ewes. Reprod. Fertil. Dev. 18 (2006) 1-5
8. Houghton D.C., Young I.R., and McMillen I.C. Photoperiodic history and hypothalamic control of prolactin secretion before birth. Endocrinology 138 (1997) 1506-1511
9. Iwasaki S., Nakazawa K., Sakai J., Kometani K., Iwashita M., Yoshimura Y., and Maruyama T. Melatonin as a local regulator of human placental function. J. Pineal Res. 39 (2005) 261-265
10. Jenkin G., and Young I.R. Mechanisms responsible for parturition; the use of experimental models. Anim. Reprod. Sci. 82-83 (2004) 567-581
11. Jenkinson C.M.C., Peterson S.W., Mackenzie D.D.S., McDonald M.F., and McCutcheon S.N. Seasonal effects on birthweight in sheep are associated with changes in placental development. N.Z. J. Agric. Res. 38 (1995) 337-345
12. Lee C.K., Moon D.H., Shin C.S., Kim H., Yoon Y.D., Kang H.S., Lee B.J., and Kang S.G. Circadian expression of Mel1a and PL-II genes in placenta: effects of melatonin on the PL-II gene expression in the rat placenta. Mol. Cell. Endocrinol. 2000 (2003) 57-66
13. McCoard S.A., Peterson S.W., Jenkinson C.M.C., Campbell J.W., and NcCutcheon S.N. Seasonal effects of fetal growth in sheep. Proc.N.Z. Soc. Anim. Prod. 56 (1996) 297-300
14. Morris S.T., Blair H.T., Parker W.J., and McCutcheon S.N. Evaluation of Border Leiceter X Romney (BR), Poll Dorset x BR, and Suffolk x BR ewes for out of season lambing. N.Z. J. Agricul. Res. 36 (1993) 349-362
15. National Research Council. Nutrient Requirements of Sheep (1985), National Academy Press, Washington, D.C.
16. Ortavant R., Bocquier F., Pelletier J., Ravault P., Thimonier J., and Volland-Nail P. Seasonality of reproduction in sheep and its control by photoperiod. Aust. J. Biol. Sci. 41 (1988) 69-85
17. Rattray P.V., Garrett W.N., East N.E., and Hinman N. Growth, development and composition of the ovine conceptus and mammary gland during pregnancy. J. Anim. Sci. 38 (1974) 613-626
18. Redmer D.A., Wallace J.M., and Reynolds L.P. Effect of nutrient intake during pregnancy on fetal and placental growth and vascular development. Domest. Anim. Endocrinol. 27 (2004) 199-217
19. Reid T.C., Sumner R.M.W., and Wilson D.L. Performance parameters in an autumn lambing ewe flock. Proc. N.Z. Soc. Anim. Prod. 48 (1988) 91-94
20. Rhind S.M., Archer Z.A., and Adam C.L. Seasonality of food intake in ruminants: recent developments in understanding. Nutr. Res. Rev. 15 (2002) 43-65
21. ®, User's Guide Version 4.' (SAS Institute: Duxbury, CA, USA).
22. Shelton M., and Huston J.E. Effect of high temperature stress during gestation on certain aspects of reproduction in the ewe. J. Anim. Sci. 27 (1968) 153-158
23. Soares M. The prolactin and growth hormone families: pregnancy-specific hormone/cytokines at the maternal-fetal interface. Reprod. Biol. Endocrinol. 2 (2004) 51-66
24. Zemdegs I.Z., McMillen I.C., Walker D.W., Thorurn G.D., and Nowak R. Diurnal rhythms in plasma melatonin concentrations in the fetal sheep and pregnant ewe during late gestation. Endocrinology 123 (1988) 280-284-