Taking in the phosphorus from the intestine of the dairy cow increase by adding 1- hydroxyl conversion vitamin D chemical compound

摘要

The fodder for the dairy cow which contains 1- hydroxyl conversion vitamin D chemical compound. Vitamin D chemical compound causes the utilization where the phosphorus of the stipulated food is improved, and it is possible to remove the necessity of the supplement quantity of the inorganic phosphorus in the stipulated food of the cow. Especially, as for milk production of the dairy cow, low it is possible with even when the P stipulated food is fed to maintain relatively high yield.