AVS 101 Lecture Notes - Lecture 13: Mesonephric Duct, Luteinizing Hormone, Sexual Differentiation
2 Mar 2016
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Avs 101 - lecture 13 - reproduction and artificial insemination. Produces secondary sex characteristics male characteristics after sexual maturation. Start life with both male and female parts differentiate later. Occurs in cows usually not in other species. Male"s and female"s placentas fuse exchange fluids and hormones. All animals in heat at the same time. Offspring all born at the same time. Can occur naturally if females spend enough time together. Can occur through a series of hormone injections. Cannot control the number of eggs being ovulated could end up with. Egg from one animal transplanted to another animal. Animal the egg is transplanted into surrogate mother. Used often in women who want to delay motherhood. Split the embryo in half produce twins. Sometimes twin is used for spare parts . Used in about 50% of u. s. dairy cows. Electro probe rod is placed in the rectum. Not as good quality semen is collected.
