Abstract:Summary
Investigations in cows on the influence of energy intake on rumen metabolism by means of allantoin excretion in the milk
With two groups of dairy cows (A: 12 German Black and White‐ and 6 German Simmental Cows; B: 16 German Black and White‐ and 11 German Simmental Cows) allantoin concentrations of blood plasma (A) and milk (A and B) were analysed by HPLC. There exists a close correlation (r = 0.758) between allantoin concentration in blood plasma (370.6 ± 79.1 μmol/l) and milk (474.1 ± 78.9μmol/l). The… Show more
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