title: The protein and amino acid requirements of laying hens: experimental evaluation of models of calculation. II. Valine requirement and layer-starter diets.
mesh_terms: D000818:Animals; D002645:Chickens / Q000378:metabolism*; D004531:Eggs; D005260:Female; D008954:Models, Biological; D009751:Nutritional Requirements; D014633:Valine / Q000378:metabolism*
chemical_list: D014633:Valine