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| | Manganese for Animals |
 | | Manganese is a key component of the metalloenzyme, pyruvate carboxylase, a critical enzyme in carbohydrate metabolism. |
 | | Signs of a manganese deficiency include abnormal skeletal growth with an altered ratio of fat-to-lean body tissue; absence of, or irregular, estrual cycles; poor mammary development and lactation; resorption of fetuses; and at birth, small, weak pigs whose sense of balance is poor. |
 | | Calves born to cows deficient in manganese have exhibited poor growth, weak and shortened bones, and deformed legs with enlarged joints, stiffness, twisted legs, and "over-knuckling." In the male, manganese deficiency causes impaired spermatogenesis, testicular and epididymal degeneration, sex hormone inadequacy, and eventual sterility (85, 157). |
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