The standard rearing program has been a 20/20 calf milk replacer (CMR) fed at 2 liters feeding 2 times a day. As research shows increasing pre-weaning growth positively effects lifetime cow performance, the focus is to achieve a higher youth growth in the first 8 weeks of life. Attempts to improve growth have lead many companies to offer replacers containing up to 28% protein. However, more isn’t necessarily better when it comes to crude protein level in calf milk replacers. Four reasons why..
More isn’t always better …..
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