Studies suggest the time at which the embryo enters the uterus (around days 4–5; Guillomot, 1995) to be critical, since embryo mortality has been found to occur by day 5 post-oestrus in the dairy cow
Studies suggest the time at which the embryo entersthe uterus (around days 4–5; Guillomot, 1995) to be critical, since embryo mortalityhas been found to occur by day 5 post-oestrus in the dairy cow