anestrum, anestrus, anoestrum, anoestrus

estrus, estrous, estrous cycle, parturition, photoperiod, conceptus, ovulation, dystocia, musth, copulatory, corpus luteum, endometritis, luteal phase, mating, oviducts, farrowing, cryptorchid, anthelmintic, dimorphism, hmg, masculinization, gonadal, oviposition, menstrual cycle, engorgement, spermatogenesis, calves, dehorning, ovariectomy, oxytetracycline, diapause, pineal, metritis, pelage, hermaphroditism, follicle stimulating hormone, yolk sac, sifaka, coccidiosis, spermatozoa, stereotypy, moulting, brahman, lordosis, trichinella, hyperphagia, masculinisation, mandrill, corticosterone, boluses, egg laying, mastitis, ionophore, xenopus, gonadotrophin, rhesus, pupation, menses, mammary gland, heterosis, merle, neonate, bos taurus, hormone, introgression, gonadotropin, papillomas, cavies, subadult, agouti, awns, ectoparasites, anting, haemolysis, oestradiol, anovulation, tetany, vernalization, hibernators, molting, leydig cell, outcrossing, pinworms, asexual reproduction, vocalization, climacteric, tups, versicolor, fawns, demodex, females, coccidia, estradiol, uterine, zona pellucida, antral, adrenocorticotropic hormone, adrenal cortex, colostrum, umbilical vein, lungworm, lactation, menstruation, molt, systole, spawning, rehearsal, voiding, copulation, ejaculation, hibernation, qrs, coitus, contraction, erection, gestation, oestrous, ovulatory, menstrual, partum, phenological, reproductive, waking, circadian, luteal, mitotic, anovulatory, decision, diel, motor, nonreproductive, thermodynamic, afebrile, autocatalytic

arthropod genus, physiological state

estrus, genus oestrus, heat, rut