Poultry Science, Bind 34,Del 2

acid Agricultural alfalfa antibiotics arsanilic acid aureomycin average basal diet birds blood body weight breeds broiler calcium carcasses carotene chick growth chickens chicks fed choline cottonseed meal dams Department of Poultry dienestrol diethylstilbestrol differences disease DPPD dried effect egg production embryos experimental feed efficiency females fertility fish meal fish solubles fowl gossypol grams groups growth factors growth hormone Hampshire hatchability hatching hens increased indicate injection Leghorn liver males mash mating meat ment methionine mortality nicarbazin normal Nutrition obtained ovulation penicillin pens percent period phosphate phosphorus Poultry Husbandry Poultry Sci Poultry Science poults pound prolactin protein pullets Received for publication reported riboflavin samples semen showed significant soybean oil meal spermatozoa storage strain streptomycin sulfaquinoxaline supplement Table temperature thyroxine tion treatment turkeys unidentified vaccine virus vitamin B12 vitamin E weeks of age White Leghorn yolk