The Female:; Normal non-pregnant animal; Normal pregnancy; Normal parturition; Care of the new-born calf; The post-partum period (puerperium); Lactation; Fertility and infertility in the cow; Problems during pregnancy; Dystocia; Placental retention; Problems during the puerperium; Manipulation of reproduction; The Male:; Normal male animal; Artificial insemination; Infertility in the bull