[The microelements content in integral blood of cows depending on physiological condition]
2007
Razumovskij, N.P. | Pozyvajlo, O.P. | Shmurakova, E.I., Vitebsk State Academy of Veterinary Medicine (Belarus)
The microelements content (content of cooper, zinc, manganese and cobalt) in blood of dry and milk cows, depended on the quantity of these elements in the ration of the cattle, was analysed in this work. It was cleared out, that mineral content in voluminous feed is reduced to the end of boxing-period. It is correlated with content of these elements in blood of these cattle. Research were spent to the different periods of a stabling season on black-motley breed cows in the age of 4-6 years with alive weight 500 kg and annual efficiency of milk - 5000 kg
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