Dairy farmer Henk van der Veen from Surhuizum uses slow-release urea and Protispar by Speerstra Feed Ingredients. This is 30% cheaper than additional rapeseed. He notices a slight increase in the levels. Photos: Anne van der Woude
Feed additives can increase nitrogen efficiency and decrease NH3 emissions. Proper rumen functioning, the right protein-energy balance in the rumen and more intestinal digestible protein can also help. Experts agree that improving the nitrogen use at dairy farms demands a comprehensive approach. Dairy farmers can decrease ammonia emissions by taking several measures. In addition to optimising dairy rations, improvements in roughage crops, rearing youngstock and transition management are possibi
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