S. R. Sampath ¹, M. N. Amrith Kumar ¹, K. Sundareshan ¹

Affiliations
1 Southern Regional Station, National Dairy Research Institute, Bangalore-560 030, IN

Abstract

In many parts of the country, cows are maintained on inadequate quantity of greens or even without greens for quite a long period. The effect of such a feeding on the vitamin A content of milk as well as on the mineral balances have been reported'. In the present paper the results of the constituents of blood of cows fed green and non-green ration are discussed at various stages of lactation.

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M. N. Amrith Kumar ¹, B. V. Bhaskar ¹, R. Nagarcenkar ¹, S. R. Sampath ¹

Affiliations
1 Southern Regional Station, National Dairy Research Institute, Bangalore, IN

Abstract

Certain areas in our country seem to have soil deficient in trace minerals. As a result, the animals fed on the vegetation grown on such soils will naturally reflect the mineral deficiencies. Of particular interest is Cu and Co. Inadequacy of Cu will result in delayed oestrus while that of Co deficiency will lead to depressed appetite in cattle. Studies carried out have indicated that by supplementing the ration of livestock with Cu and Co to be beneficial.

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