https://www.selleckchem.com/pr....oducts/ap-3-a4-enobl
The degradation of bone quality will further damage the health of laying hens. Therefore, Pb exposure not only toxifies organs and reduces physiological features (e.g., body weight and laying rate) instantly, but also hurts poultry via degrading bone quality in long term. Additionally, the probability of excessive Pb in poultry meat is less than those of viscera and eggs, indicating its low risk to food safety.This study aimed to determine the dietary tryptophan (Trp) requirement for laying duck breeders. A total of 504 Longyan
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