Reduced Dry Matter intake:- Before and during calving, cows do not eat or drink, But during calving cows can lose up to 50 Litre of water and electrolytes due to this, the cow becomes inactive and reduces dry matter intake.
Rapid increase in calcium demand:- Colostrum and milk contains large quantities of calcium, so after Calvin demand increases.
Negative Energy Balance:- After Calving most of the cows enter into a state of negative energy balance.
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