PETERSON A B,ORTH M W,GOFF J P,et al.Periparturient responses of multiparous Holstein cows fed different dietary phosphorus concentrations prepartum[J].Journal of Dairy Science,2005,88(10):3582-3594.
[14]
KANEKO J J.Clinical biochemistry of domestic animals[M].3rd ed.London,Toronto,Sydney and San Francisco:Academic Press,1980:792-795.
GOFF J P.Physiologic factors to consider in order to prevent periparturient disease in the dairy cow,with special emphasis on milk fever[C]//Western Dairy Management Conference.Las Vegas Nevada:[s.n.],1999:100-112.
[23]
KICHURA T S,HORST R L,BEITZ D C,et al.Relationships between prepartal dietary calcium and phosphorus,vitamin D metabolism,and parturient paresis in dairy cows[J].The Journal of Nutrition,1982,112(3):480-487.
