The addition of eggs to the hen's clutch by repeated injections of ovulation-inducing hormones.
D000818:Animals; D002645:Chickens; D005260:Female; D006728:Hormones; D006801:Humans; D010053:Ovary; D010060:Ovulation; D010900:Pituitary Diseases; D010902:Pituitary Gland; D010907:Pituitary Hormones
D006728:Hormones; D010907:Pituitary Hormones
OVARY; OVULATION; PITUITARY PREPARATIONS