Cattle on low-protein rations may need amino acid supplement to boost milk yield

When dairy cows are fed diets with reduced protein concentrations -- aimed at decreased environmental nitrogen pollution from their manure such as nitrate leaching, nutrient-laden run-off and ammonia volatilization -- their milk production can suffer. Supplementing the amino acid histidine may help in maintaining, and even increasing, milk and milk-protein yields.

from Latest Science News -- ScienceDaily https://ift.tt/m8xnPJI

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