Will higher fat or energy levels in a calf’s diet increase growth rates?
There is good reason why farmers are keen to improve calf rearing, to ensure heifers produce their first calf at 24 months and remain in the milking herd for as long as possible.
In the Netherlands a recent survey found that most farmers use age as the main determinant for serving maiden heifers, targeting 25-26 months as age at first calving.
Read
more...