oa Agroanimalia - Effect of dietary energy and protein levels on early embryonic mortality in young and mature Merino ewes

Volume 3, Issue 2
  • ISSN : 0302-7104



Twenty-eight mature multiparous and 28 two-tooth maiden ewes were included in a 23 factorial experiment in which the effects of age and of high and low planes of protein and energy feeding for three weeks from mating on embryonic mortality were studied. In addition, a random sample of thirteen additional ewes from each age group were laparotomized and their ova recovered to estimate the expected lambing rates.

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