In order to prevent and cure the main nutritional and metabolic diseases of scalpers in GuYuan, forages; water and blood were collected to detect the content of six macro-elements (Natrium, Kalium, Chlorine, Sulfur, Calcium, Phosphor) and nine trace-elements (Copper, .

A study on the nutrional ossa disease in cow was carried out by usingoharmacokinetics and the characteristics of the calcium kinetics in cows with this diseasewere discussed in this paper.

Study on nutritional diseases of bullfrogs(Rana catdsbeiana Shaw)fed on silkworm pupa.;