A note on the pattern of concentrate feeding to ewes in late pregnancy

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Abstract
SUMMARY: Eighty pregnant ewes were housed in December in each of 2 yr approximately 14 weeks before lambing and offered grass silage. Four nutritional regimes were imposed during the final 7 weeks of pregnancy. They were (a) no concentrates given, and three other treatments each aiming to provide 25 kg concentrates on (b) a weekly ascending scale, (c) a level scale, or (d) a weekly descending scale. Concentrate feeding caused the anticipated improvement in performance particularly with respect to ewe live-weight loss and the live weight of multiple litters, but pattern of concentrate feeding appeared to have no significant effect on any performance parameter. It is concluded that a level pattern of concentrate feeding would be simpler and provide a more even distribution of feed among housed pregnant ewes, which vary in expected date of lambing, than the currently recommended ascending pattern of concentrate feeding.