Oestrogen concentration in the peripheral plasma of maturing pullets.
D000818:Animals; D002645:Chickens / Q000097:blood* / Q000254:growth & development; D004958:Estradiol / Q000097:blood; D004967:Estrogens / Q000097:blood*; D005260:Female; D010058:Oviposition; D011863:Radioimmunoassay; D013997:Time Factors
D004967:Estrogens; D004958:Estradiol