4Christian L D.Vitamin stability in mineral mixes formulated with different calcium phosphates stored at two temperatures and relative humidities,1983.
5BASF.Vitamin Stability in Premixes and Feeds:A Practical Approach[]..2001
6Lewis,A.j,L.LSouthern.Swine nutrition[]..2001
7Zhuge,Q,and Klopfenstein,C.F.Factors affecting storage stability of vitamin A,Riboflavin,and niacin in a broiler diet premix[].Poultry Science.1986
8Zhurge,Q,and K lopfenstein,C.F.Factoers affecting storage stability of vitamin A Riboflavin,a ndniacinin a broiler diet premix[].Poultry Science.1985