26 June 2009
Getting cows back in-calf on time is important for year-round calving herds wanting to deliver a level milk profile, but delaying service because cows are high yielding can work out to be a false economy.
Extending lactations reduces the annual income from milk sold per cow – even if 305-day yields are rising - because the herd ends up with fewer peak yielding cows contributing to the bulk tank at any one time and more stale cows in milk.
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