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