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When weaning heifers, what % protein is needed in a ration?
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<blockquote data-quote="farmer rich" data-source="post: 126409" data-attributes="member: 1952"><p>The calfs requirement for protein will also depend on the energy concentration of the ration. At higher energy levels, more protein will be required.</p><p>Without knowing how potent the concentrate you are feeding is it is difficult to say but my instinct is that you are feeding insufficient protein at such a high level of concentrate feeding.</p><p>For british breed heifers from 1-200 kg (225-450lbs) a ration of 11ME and 18% protein will support growth up to 1kg (2.2lbs) per day. For larger cattle (450lbs+) a protein level of 13% is sufficient.</p><p></p><p>Young cattle have the potential for rapid growth with a high proportion of lean, thats why they require higher levels of protein than older cattle. Your objective at 7-8 months should be to maximise lean growth and frame. If you underfeed protein at this stage the calf will not realise its potential for frame growth which will result in an underweight carcase when it is finished.</p></blockquote><p></p>
[QUOTE="farmer rich, post: 126409, member: 1952"] The calfs requirement for protein will also depend on the energy concentration of the ration. At higher energy levels, more protein will be required. Without knowing how potent the concentrate you are feeding is it is difficult to say but my instinct is that you are feeding insufficient protein at such a high level of concentrate feeding. For british breed heifers from 1-200 kg (225-450lbs) a ration of 11ME and 18% protein will support growth up to 1kg (2.2lbs) per day. For larger cattle (450lbs+) a protein level of 13% is sufficient. Young cattle have the potential for rapid growth with a high proportion of lean, thats why they require higher levels of protein than older cattle. Your objective at 7-8 months should be to maximise lean growth and frame. If you underfeed protein at this stage the calf will not realise its potential for frame growth which will result in an underweight carcase when it is finished. [/QUOTE]
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When weaning heifers, what % protein is needed in a ration?
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