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Heredity and Phenorype of Inhibited Feathering Turkey
Studies Regarding Improvement of Plumage of Inhibited Feathering Turkeys
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20 weeks activity age fed alkaline phosphatase animals apteria apterium autosomal recessive barbules birds calamus cervical tract characterized chicken chicks cm long contour feathers Control diet crural tracts Cunnane cysteine dermis diet containing dietary zinc differences distal dominant gene dorsal dorsopelvic tract egg production embryos enzyme epidermis epithelium Experiment feather development feather disorder feather follicles feather growth feather tracts fed the Control feed females fowl FSII genetic groups hatch homozygous increased incubation Japanese quail keratinization late feathering layer located Lucas and Stettenheim males metabolism methionine mutation NF hens NF poults NF turkey Nutr observed parakeratosis plasma plumage plumulaceous Poultry Sci poults fed primary remiges protein rachis rats recessive gene rectrices reproductive secondary remiges semen semen production serum sex-linked significantly skin slow feathering structure sulphur amino acids synthesis thyroid gland thyroid hormones thyroxine tissue vane ventral vitamin weeks of age weight gain zinc deficiency zinc ions zinc supplementation