The factors that cause reproduction is impaired corpus luteum Persistent, Cystic ovaries, and infectious diseases. For now I want to discuss about the corpus luteum persistent.
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| Corpus Luteum Persistent |
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| Normal Corpus Luteum |
Corpus Luteum Persistent is a reproductive disorder due to impaired secretion of the hormone progesterone, can form high levels of the hormone progesterone in the blood at the time beyond the period of pregnancy. Progesterone is produced by the corpus luteum. Corpus luteum is thus called copus luteum corpus luteum persistent or persistent. Copus luteum persistent corpus luteum can be derived from the normal corpus luteum or corpus luteum periodikum graviditatum. Persistent corpus luteum produces high levels of the hormone progesterone. This situation resulted in a negative feedback mechanism of the anterior pituitary gland, so that the secretion of FSH and LH hormones are blocked, causing the absence of growth of new follicles in the ovaries. Not the emergence of new follicles in the ovaries do not secretion hormone estrogen, causing the onset of symptoms anestrus. Persistent corpus luteum may appear in the parent after the birth, the pathology of the uterus or the presence of early embryonic death.
Corpus Luteum Persistent at the time after childbirth can run between 30-90 days, even longer. This occurred possibly related to uterine involution is slowed. Dairy cows that have a high production often have a persistent corpus luteum. This is caused by a hormone produced LTH anterior pituitary gland after delivery with high milk production inhibits the lysis of the corpus luteum graviditatum. This situation prevents the secretion of FSH and LH from the anterior pituitary gland, where no cattle follicular growth and showed no symptoms of estrus.
Because of the persistent corpus luteum potologi of the uterus is due to pyometra, macerated fetuses, mummified fetuses. Persistent corpus luteum formation mechanism in this situation because the endometrium is unable to produce prostaglandin F2 alpha, so there is no ability to lysis existing corpus luteum. Copus luteum persistent in this group, because it was more to the center of the ovary, it is difficult to be released manually.
HANDLING Corpus Luteum Persistent
Handling of the corpus luteum persistent done by considering a contributing factor. When the corpus luteum due to persistent high milk production or early embryonic mortality, treatment can be done with prostaglandin F2 alpha at a dose of 20-25 mg intramuscularly or 5-6 mg intauterina. Incidence of persistent corpus luteum in the case of uterine pathology such as endometritis, the incidence of uterine pathology should be treated first with antibiotics or kemoterapeutika. When you have been healed followed by a prostaglandin F2 alpha administration. At the parent who suffered from emphysema mummified fetus or fetus, the uterus emptied first by removing the fetus that has died by giving the hormone oxytocin or estradiol benzoate to stimulate uterine contractions. If the fetus is out followed by prostaglandin F2 alpha administration to accelerate the reduction of persistent corpus luteum. With persistent corpus luteum followed by estrus will have shrunk a few days later.
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