[Effects on the duration of pregnancy and sex in horses].
D000818:Animals; D005260:Female; D006736:Horses; D006801:Humans; D008027:Light; D011247:Pregnancy / Q000502:physiology; D012727:Sex Characteristics
HORSES; LIGHT/effects; PREGNANCY/physiology; SEX CHARACTERISTICS
Einflüsse auf Graviditätsdauer und Geschlecht bei Pferden.