A variety of hormones are used within the dairy industry to treat reproductive disorders and to regulate the oestrous cycle for timed breeding. These hormones act directly on
Introduction Fertilisation is an internal process in mammals, the gamete cells however are not fully mature when they leave the gonad (either testicle or ovary) and so continue
Introduction Oogenesis is the female version of gametogenesis and is therefore the female equivalent of spermatogenesis. This process follows the immature, primordial ova right through to its
Introduction Luteolysis is the degradation of the corpus luteum (as opposed to luteinisation – the formation of the corpus luteum). Luteolysis occurs in the absence of pregnancy, at
Introduction Spermatogenesis is the biological process whereby spermatogonia (the germ cell) develop into spermatozoa (the mature sperm cells). This process takes place in the seminiferous tubules of the
Introduction Cryptorchidism is a disorder where either one or both testes fail to descend and are therefore absent from the scrotum. This usually occurs during foetal development when
The oestrous cycle is the reproductive cycle found in most mammalian placental females whereby there are recurring periods when the female is fertile and sexually receptive (oestrus) interrupted
