A regional evaluation of injections of high levels of vitamin A on reproductive performance of sowsM.D.Lindemann, 林茵茂1-4
Dietary B vitamin needs of strains of pigs with high and moderate lean growthT.S.Stably, N.H.Williams, 汪力5-9
The Vitamin D3 Requirement of Broiler BreedersA.Atencio, H.M.Edwards Jr, G.M.Pesti, G.O.Ware, 俞明月12-17
Vitamin Deficiency-lndueed NeuJcDlogical Diseases of PouhrySigfrido Burgos, Diego V, Bohorquez, Sergio A.Burgos, 于一凡18-20
