Gestar | Veterinary Ovulation Stimulant for Cows and Mares | For the Treatment of Polycystic Ovary Syndrome | From Over Company

Gestar is a highly effective hormonal regulator that compensates for deficiencies in natural ovarian-stimulating hormones. Thanks to its gonadotropin content, the product stimulates egg growth and ovulation at the precise moment, completely eliminating ovarian cysts that prevent pregnancy, thus giving cows and mares a regular breeding cycle and record-breaking success rates during insemination.

Benefits of Gistar

• The definitive treatment for polycystic ovaries: It effectively overcomes ovarian cysts that cause temporary infertility or permanently disturbed ovulation, and restores the ovary to its normal cycle.
• Stimulating and precisely timing ovulation: Ensures ovulation occurs within 24 hours of injection, allowing breeders to determine the ideal time for artificial insemination or natural mating to ensure the highest fertilization rates.
• Reactivating the stalled estrous cycle: It activates dormant ovaries that are atrophied or completely stopped, restoring reproductive vitality to mares and cows.
• Partner for artificial insemination and consolidation programs: Significantly increases pregnancy rates when combined with ovulation synchronization programs (hormonal protocols with prostaglandins).

Composition:

• Gonadotropin: at a concentration of 0.00042 g .
• Other complementary materials and solvents are available for safe injection.

indication:

• Cows:
• Treatment of fertility disorders resulting from ovarian dysfunction and polycystic ovaries.
• Treatment for cessation or absence of the estrous cycle, delayed ovulation, and egg atrophy.
• Increased pregnancy success rates using artificial insemination or after estrus synchronization programs.
• Mares (horses):
• Treatment of various ovarian disorders and cessation of the estrous cycle (estrus).
• Stimulating ovulation to determine the best time to optimize and confirm the fertilization process.

Dosage and method of use:

Gestar is primarily used via intramuscular injection , but it can also be used via intravenous or subcutaneous (SC) injection .

• Doses for cows:
• 5 ml: For cases of polycystic ovary syndrome, and absence or non-appearance of the estrous cycle.
• 2.5 ml: For cases of egg atrophy and delayed ovulation.
• 2.5 ml: To increase the fertilization rate in artificial insemination and after synchronization of estrus.
• Doses for mares:
• 10 ml: For ovarian disorders (with or without prolonged estrus), determining the time of ovulation and mating, improving the fertilization rate, and cases of persistent estrus.
• 10 ml: To stimulate ovulation and treat its delay.
• 5 ml twice (24 hours apart): for the treatment of cases of estrous cycle arrest.

Treatment protocol:

• In cows:
• Polycystic ovary syndrome (PCOS): If the corpus luteum does not appear or new cysts develop within 15 days, treatment is repeated. Insemination can be performed at the first estrus after treatment (usually after 20 days), and an injection of 2.5 ml is recommended to increase fertility.
• Absence or cessation of estrus: The treatment is repeated if no ovarian activity is observed within 10 to 12 days.
• Synchronization of ovulation and insemination: It is recommended to inject 2.5 ml at the time of artificial insemination or natural mating (stimulated with prostaglandins) to increase fertilization.
• Delayed ovulation or egg atrophy: Treatment is given during estrus or up to 6 hours before insemination, and ovulation generally occurs within 24 hours after injection.
• In mares:
• Polycystic ovary syndrome: Usually one dose is enough, and if the cysts do not disappear, the treatment is repeated after 10 to 14 days.
• Cessation of estrus: The treatment is repeated if no ovarian activity is observed and ovulation is delayed for 10 to 12 days (and if the corpus luteum is not observed, prostaglandins should be used).
• Ovulation stimulation: Injection is recommended if the egg diameter is 40 mm after veterinary examination, and the treatment is repeated if ovulation is delayed within 24 to 36 hours.

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