Does offering concentrate supplement during late pregnancy affect twin- and triplet-bearing ewe and lamb performance?

References

• Banchero , GE , Quintans , G , Martin , GB , Lindsay , DR and Milton , JTB . 2004 . Nutrition and colostrum production in sheep. 1. Metabolic and hormonal responses to a high-energy supplement in the final stages of pregnancy . Reproduction Fertility and Development , 16 : 633 – 643 .
   PubMed Web of Science ®Google Scholar
• Barry , TN and Manley , TR . 1985 . Glucose and protein metabolism during late pregnancy in triplet-bearing ewes given fresh forage ad lib. 1. Voluntary intake and birth weight . British Journal of Nutrition , 54 : 521 – 533 .
   PubMed Web of Science ®Google Scholar
• Donnelly , JR . 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 . Australian Journal of Agricultural Research , 35 : 709 – 721 .
   Google Scholar
• Dove H 2002 . Principles of supplementary feeding in sheep-grazing systems. Sheep Nutrition . Wallingford, , UK , CABI Publishing . 119 143 .
   Google Scholar
• Dwyer , CM and Morgan , CA . 2006 . Maintenance of body temperature in the neonatal lamb: effects of breed, birth weight, and litter size . Journal of Animal Science , 84 : 1093 – 1101 .
   PubMed Web of Science ®Google Scholar
• Everts , H . 1990 . Feeding strategy during pregnancy for ewes with a large litter size. 1. Effect of quantity and composition of concentrates on intake and reproductive performance . Netherlands Journal of Agricultural Science , 38 : 527 – 538 .
   Google Scholar
• Hall , DG , Piper , LR , Egan , AR and Bindon , BM . 1992 . Lamb and milk production from Booroola ewes supplemented in late pregnancy . Australian Journal of Experimental Agriculture , 32 : 587 – 593 .
   Google Scholar
• Hinch , GN , Lynch , JJ , Nolan , JV , Leng , RA , Bindon , BM and Piper , LR . 1996 . Supplementation of high fecundity Border Leicester × Merino ewes with a high protein feed: its effect on lamb survival . Australian Journal of Experimental Agriculture , 36 : 129 – 136 .
   Google Scholar
• Hodgson J , Matthews PNP , Matthew C , Lucas RJ 1999 . Pasture measurement . In: White J , Hodgson J New Zealand pasture and crop science . Auckland , Oxford University Press . 59 66 .
   Google Scholar
• Jefferies , BC . 1961 . Body condition scoring and its use in management . Tasmanian Journal of Agriculture , 32 : 19 – 21 .
   Google Scholar
• Kenyon , PR , Stafford , KJ , Morel , PCH and Morris , ST . 2005a . Does sward height grazed by ewes in mid- to late-pregnancy affect indices of colostrum intake by twin and triplet lambs? . New Zealand Veterinary Journal , 53 : 336 – 339 .
   PubMed Web of Science ®Google Scholar
• Kenyon , PR , Morris , ST , Corner , RA , Stafford , KJ , Jenkinson , CMC and West , DM . 2005b . Manipulating triplet lamb survival . Proceedings of the Society of Sheep and Beef Cattle Veterinarians , 34 : 83 – 90 .
   Google Scholar
• Kerslake , JI , Everett-Hincks , JM and Campbell , AW . 2005 . Lamb survival: a new examination of an old problem . Proceedings of the New Zealand Society of Animal Production , 65 : 13 – 15 .
   Google Scholar
• Kerslake , JI , Kenyon , PR , Morris , ST , Stafford , KJ and Morel , PCH . 2008 . Effect of concentrate supplement and sward height on twin-bearing ewe condition and the performance of their offspring . Australian Journal of Experimental Agriculture , 48 : 988 – 994 .
   Google Scholar
• Kerslake , JI , Kenyon , PR , Morris , ST , Stafford , KJ and Morel , PCH . 2009 . The effect of offeringconcentrate supplement to twin- and triplet-bearing ewes grazing a 60mm herbage sward height on lamb birth weight, heat production and postnatal growth . Journal of Agricultural Science , 147 : 613 – 624 .
   Web of Science ®Google Scholar
• Kerslake , JI , Kenyon , PR , Stafford , KJ , Morris , ST and Morel , PCH . 2010 . Can maternal iodine supplementation improve twin- and triplet-born lamb plasma thyroid hormone concentrations and thermoregulation capabilities in the first 24 to 36 hours of life? . Journal of Agricultural Science , 148 : 453 – 463 .
   Web of Science ®Google Scholar
• Mellor , DJ and Murray , L . 1985 . Effects of maternal nutrition on udder development during late pregnancy and on colostrum production in Scottish Blackface ewes with twin lambs . Research in Veterinary Science , 39 : 230 – 234 .
   PubMed Web of Science ®Google Scholar
• Morris , ST and 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 .
   Web of Science ®Google Scholar
• Murphy , PM , McNeill , DM , Fisher , JS and Lindsay , DR . 1996 . Strategic feeding of merino ewes in late pregnancy to increase colostrum production . Proceedings of the Australian Society of Animal Production , 21 : 227 – 230 .
   Google Scholar
• Orr , RJ and Treacher , TT . 1990 . The performance of ewes offered diets containing different proportions of perennial ryegrass and white clover silage in late pregnancy . Animal Production , 51 : 143 – 153 .
   Google Scholar
• Parker , RJ and Nicol , AM . 1990 . The measurement of serum immunoglobulin concentration to estimate lamb colostrum intake . Proceedings of the New Zealand Society of Animal Production , 50 : 275 – 278 .
   Google Scholar
• Polk , DH . 1988 . Thyroid-hormone effects on neonatal thermogenesis . Seminars in Perinatology , 12 : 151 – 156 .
   PubMedGoogle Scholar
• Purchas , RW and Beach , AD . 1981 . Between-operator repeatability of fat depth measurements made on live sheep and lambs with an ultrasonic probe . New Zealand Journal of Experimental Agriculture , 9 : 213 – 220 .
   Web of Science ®Google Scholar
• Robinson JJ 1983 . Nutrition of the pregnant ewe . In: Haresign W Sheep production . London , Butterworth . 111 131 .
   Google Scholar
• Stephenson , RGA and Bird , AR . 1992 . Responses to protein plus energy supplements of pregnant ewes eating mature grass diets . Australian Journal of Experimental Agriculture , 32 : 157 – 162 .
   Google Scholar
• Symonds , ME . 1995 . Pregnancy, parturition and neonatal development: interactions between nutrition and thyroid hormones . Proceedings of the Nutrition Society , 54 : 329 – 343 .
   PubMedGoogle Scholar
• Thomson , BC , Muir , PD and Smith , NB . 2004 . Litter size, lamb survival, birth and twelve week weight in lambs born to cross-bred ewes . Proceedings of the New Zealand Grassland Association , 66 : 233 – 238 .
   Google Scholar