Ammonia levels have been cut by 75 and antibiotics use reduced to zero after a high-tech sensor system was installed at Wem Farm in Powys. Damp air affecting litter quality has been m one of the biggest challenges at the farm since I the poultry system was set up 10 years ago. y The 32,000-bird poultry unit sits a short m distance from the Lake Vymwy reservoir in an ° area known for its wet climate. 5 Rainfall is high, at an average 2,300mm/ P year, says Osian Williams, who farms with his parents, Dafydd and FJeri, and his partner, I Nikki.
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