Pituitary and ovarian hormones in cows with ovarian cysts.
نویسندگان
چکیده
منابع مشابه
Hormonal responses of dairy cows with ovarian cysts to GnRH.
Twenty-four cows, diagnosed via rectal palpation as having ovarian cysts were randomly assigned to one of four groups to receive a single IM injection of either 0, 50, 100 or 250 /lg of synthetic gonadotropin-releasing hormone (GnRH). Sixteen lactating dairy cows exhibiting clinically normal estrous cycles were used as controls. Of the 18 cows receiving 50, 100 or 250/ag GnRH, 13 (72%) responde...
متن کاملClinical response of dairy cows with ovarian cysts to GnRH.
One-hundred-fourteen cows (30 Guernsey and 84 Holstein), diagnosed as having ovarian cysts via rectal palpation, were treated at randon with a single IM injection of either 50, 100 or 250 /lg synthetic gonadotropin-releasing-hormone (GnRH) or a sham injection of the carrier vehicle for GnRH (0 /~g). All animals were from one Guernsey and three Holstein herds maintained on a reproductive herd he...
متن کاملMetabolic profiles of high-yielding dairy cows with ovarian cysts formation
Background: Ovarian cysts are among the diseases which cause reproductive failure and economic losses in dairy herds. High yelding dairy cattles are suseptable to reproductive failure caused by ovarian cysts, as a result of their exposure to stressful coditions during lactation. OBJECTIVES: This study aimed to monitor metabolic profile tests in dairy cows with ovarian cysts in comparison with c...
متن کاملRelationship between Melasma, ovarian cysts and androgenic hormones: A case-control study
Background: Melasma is the acquired, gradual and symmetric hyper pigmentation of the face. Melasma has been related to many factors such as pregnancy, genetic, endocrine and sun exposure but the exact relationship to endocrine factors isn’t still clear. Objectives: To evaluate the relationship between melasma and polycystic ovarian disease and androgenic hormones. Patients and Methods: Th...
متن کاملOvarian and pituitary hormones in blood of progestogen-treated ewes.
Estradiol (E2), estrone (El ) , progesterone, LH and prolactin concentrations were determined by radioimmunoassay in blood plasma samples from parous ewes treated with medroxyprogesterone acetate (MAP) or melengestrol acetate (MGA) orally, with MAP by intravaginal sponge, or progesterone by intramuscular injection. Treatment was begun on Day 10 of the estrous cycle and continued for 14 days. Bl...
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ژورنال
عنوان ژورنال: The Japanese journal of animal reproduction
سال: 1990
ISSN: 0385-9932
DOI: 10.1262/jrd1977.36.17