Progesterone plays an important role in maintenance of pregnancy. It is hypothesized that insufficient progesterone early in pregnancy may result in embryonic loss, and that supplemental progesterone would decrease pregnancy loss in dairy cows. In Experiment 1, 84 cows and 16 heifers from a single dairy operation were selected randomly. Within each age category, controlled internal drug release (CIDR) devices were inserted into the vagina of every other female on Day 4 post-insemination and removed on Day 18 post-insemination. Transrectal ultrasonography was performed to determine pregnancy at 4 time periods [days 30 to 37 (week 5), days 44 to 51 (week 7), days 58 to 65 (week 9), and days 86 to 93 (week 13)]. Progesterone supplementation had no effect on pregnancy rate.
Generic Name: Progesterone Injection
This product is a colorless or light yellow clear oily liquid.
Based on the fuction of estrogen, progesterone can promote the development of the endometrium and glands, inhibit the contraction of uterine muscles, weaken the response of uterine muscle to oxytocin, and ensure tocolysis. The feedback mechanism inhibits the secretion of luteinizing hormone from the anterior pituitary and inhibits estrus and ovulation. In addition, it works together with estrogen to stimulate the development of breast acini and preparation for lactation
Used for habitual or threatened abortions and estrus during estrus, delays ovulation in cattle and horses, and inhibits estrus in dam.
[Usage and Dosage]
Intramuscular injection; one dose, horse & cow - 1 ~ 2ml; sheep & pig - 0.3 ~ 0.5ml; dog - 0.04 ~ 0.1ml.
No adverese reactions were found with the recommended usage and doages.
(1) Long-term use can prolong pregnancy
(2)Do not use in lactating cows
30 days for cows, sheep, and pigs
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Product Categories : Veterinary Medicine > Pregnancy Medicine