In a herd of 23 high yielding cross bred cows,
4 cows showed classical symptoms of hypomagnesemia. All the animals were being
fed with high protein diet
whereby they were provided with ad lib leguminous green fodder particularly
berseem (Trifolium alexandrinum) that was fertilized with urea.
Even the concentrate being fed @10
kg/animal/day, was having >40% protein source in form of mustard cake and
soybean. Blood samples from all the cows of the herd were collected for plasma
minerals (Ca, Mg, K, Na, Cu, Fe and Zn) estimation.
Lower concentration of magnesium and sodium
were recorded whereas marginal levels of calcium were observed in the affected
animals. With oral supplementation of magnesium oxide and diet change there was
no relapse of the condition.
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