The method of burying hormonal implants is safe, reliable and efficient. Use a veterinarian to bury the appropriate amount of commonly used hormones such as medroxyprogesterone, megestrol, progesterone, etc., and plant them in the ear root of the ewe. Wait 10 to 12 days for intramuscular injection of pregnant horse serum gonadotropins 400 to 750. International units, generally 2 to 3 days after the ewes can be estrus.
Vaginal sponge method will be immersed in the progesterone sponge to the ewes outside the cervix at the mouth of 10 to 14 days, remove the injection of pregnant women serum gonadotropin 400 to 500 international units, generally about 30 hours to heat. On the same day as the estrus and the next day, each insemination occurs once. The progestogens used are: progesterone 150-300 mg, medroxyprogesterone 50-70 mg, megestrol acetate 80-150 mg, 18 methyethynostone 30-40 ml, fluroginone 20-40 ml, above Hormone is optional.
Oral progesterone, medroxyprogesterone, megestrol, 18 methy nornosterone, fluprogesterone, and other hormones are mixed into the feed every day, and fed for 12 to 14 days. The dose is vaginal sponge method. One-fifth, on the day of discontinuation of intramuscular injections of pregnant goat serum gonadotropins 400 to 750 IU.
Injected ewes intravenous injection chorionic gonadotropin 450 ~ 750 international units, to be estrus maternal timely mating.
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