Study on formula feed of deer velvet period.

Based on nutrient requirement of deer in velvet period,a complete concentrate supplement feed suited for red deer and sika deer was devised.It was composed of corn grain,wheat bran,soybean meal,distiller dried grains with soluble(DDGS),corn gluten feed,corn germ meal,macroelement additive,microelement additive and vitamin additive.30 sika deer and 30 red deer more than five years old were tested by feeding experiment,the result showed not only yield and quality of deer velvet increased markedly and the cost of feed reduced ,but also the output of individual value,the price of velvet,the converts and return rate of diet were improved.The direct economic efficiency was added 1 to 2 times.