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  2. Reproductive Anatomy and Physiology of the Cow - …

    Ultimately, reproductive processes are regulated at the level of the brain. The hypothalamuscontrols several body processes and behaviors along with reproductive processes. Body temperature, concentration and components of body fluids, and the drive to eat and drink are just a few functions of the hypothalamus. It is classified as a neuroendocrine ...

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    The ovary produces the oocyte by a process called oogenesis. In contrast to spermatogenesis in the bull, which is continuous, oogenesis is cyclic. This cycle of oocyte development in cattle is called the estrous cycle and is typically 21 days in length. During the estrous cycle, two prominent structures are present within the ovary: the follicle an...

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    Reproduction in the female is controlled by numerous hormones secreted from specialized glands called endocrine glands. These secretions are produced in the glandular cells and pass into the blood and lymph systems for transport to specific parts of the body where they produce their function. The hormone, estradiol (or estrogen) is produced by the ...

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    The reproductive cycle of the cow consists of a series of events that occur in a definite order over a period of days. In the cow, this cycle averages 21 days in length, although this can range from 17 to 24 days. In this cycle, the reproductive system is prepared for potential establishment and maintenance of pregnancy. Alternatively, in the event...

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