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Chapter 1,356

Effects of very low nutrition during pregnancy on live weight and survival of ewes and lambs

Smeaton, D.C.; Wadams, T.K.; Hockey, H.U.P.

Proceedings of the New Zealand Society of Animal Production 45: 151-154

1985


Accession: 001355125

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Previous work showed that nutrition during pregnancy substantially affected ewe liveweight, but that subsequent effects on ewe and lamb survival and weaning weights were small. However, farm advisers have suggested that industry ewes suffer more weight loss than in the above trials with serious consequences for ewe and lamb survival. These problems were investigated in a trial involving 2 levels of nutrition in mid-pregnancy followed by 3 levels of nutrition in late pregnancy.