NORTHERN IRELAND – Dairy farmers trying to increase the nitrogen efficiency of their herds have been urged to fully analyze forage on the farm before decreasing protein content of feed. Because dairy-cow diets contain nitrogen, mostly in the form of protein, the percentage of nitrogen consumed by the cow – and which subsequently becomes milk protein – is defined as nitrogen-use efficiency.
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With 20 years experience behind him, award-winning agricultural journalist Chris McCullough is always on the hunt for his next story. He grew up on the family dairy farm in the heart of Northern Ireland and is based on the country’s east coast. He travels around the world to bring readers international news.





