The influence of graded levels of atmospheric ammonia on chickens. II. Effects on the performance of laying hens.
D000397:Air Pollution; D000641:Ammonia / Q000494:pharmacology*; D000818:Animals; D001831:Body Temperature; D001835:Body Weight; D004531:Eggs; D005502:Food; D011200:Poultry / Q000187:drug effects*
D000641:Ammonia