Relationship of plasma estradiol and progesterone levels to egg productivity in domestic chicken hens

Female chickens from eight different genetic stocks, ranging from 13 to 21 months of age, and exhibiting various levels of egg production were studied. Plasma samples were collected between 1700 and 2200 hr to determine basal circulating levels of progesterone (P4) and 17 beta-estradiol (E2) by radi...

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Veröffentlicht in:	Poultry science 1985-03, Vol.64 (3), p.545-549
Hauptverfasser:	Leszczynski, D.E, Hagan, R.C, Bitgood, J.J, Kummerow, F.A
Format:	Artikel
Sprache:	eng
Schlagworte:	Animals CHICKENS Chickens - physiology EGG PRODUCTION Estradiol - blood ESTROGENOS Female OESTROGENE OESTROGENS Oviposition POLLO POULET PRODUCCION DE HUEVOS PRODUCTION D'OEUFS PROGESTERONA PROGESTERONE Progesterone - blood Radioimmunoassay - veterinary Regression Analysis
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