Lactation requirements
Yn = measured milk yield, kg/d
PQ = measured milk fat, %
PP = measured true milk protein, %
k
L
= partial efficiency of ME to NE for milk production = 0.644
k
PL
= partial efficiency of MP for NP for milk
◦
Sheep = 0.58 and Goats = 0.64
Sheep
è
Goats
è
Sheep and Goats
è