Abstract:The influence of age and live weight at conception on the consumption of metabolizable energy and crude protein during 6 months of pregnancy, processes of their growth and development was studied. The gain of live weight of springer heifers during the first three months of pregnancy was determined to be 67,0±3,66 kg in group I, 65,0±5,26 kg in group II and 49,0±4,40 kg in group III. Studying the growing power of the animals during 0-3 months (92 days) of pregnancy, the springer heifers of groups I and II were … Show more
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