Effects of Different Lanthanum Concentrations on Serum Glutathione Peroxidase, Growth Hormone, Insulin, Triiodothyronine and Thyroxine Concentration in Simmental Steer

• 氯化镧对牛血清谷胱甘肽过氧化物酶、生长激素、胰岛素、三碘甲腺原氨酸和四碘甲状腺原氨酸浓度的影响