P.G. 600 Swine Vaccine, 5 - 1 dose vials |  |
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050ITV01-1 | | Product Details: | Intervet
For Animal Use Only
Description: Gilts normally reach puberty (begin experiencing normal estrous cycles and exhibiting regular estrus or heat) at any time between six and eight months of age, although some gilts will not have exhibited their first estrus at ten months of age. Age at first estrus influenced by several factors including breed type, season of the year, environmental conditions, and management practice (Hurtgen, 1986).
Sows normally exhibit estrus three to seven days after weaning their litters; however, some otherwise healthy sows may not exhibit estrus for 30 days or more after weaning (Dial and Britt, 1986). The causes of delayed return to estrus in healthy sows are poorly understood, but probably include season of the year (so-called seasonal anestrus; Hurtgen, 1979), adverse environmental conditions, such as high ambient temperatures (Love, 1978), and the number of previous litters, because the condition is more prevalent after the first litter than after later litters (Hurtgen, 1986).
P.G. 600® is a combination of serum gonadotropin (Pregnant Mare Serum Gonadotropin or PMSG) and chorionic gonadotropin (Human Chorionic Gonadotropin or hCG) for use in prepuberal gilts (gilts that have not yet exhibited their first estrus) and in sows at weaning. It is supplied in freeze-dried form with sterile diluent for reconstitution.
The action of chorionic gonadotropin in gilts and sows is similar to the action of Luteinizing Hormone (LH), which is also produced by the animals’ anterior pituitary gland. It causes the release of mature ova from the follicles of the ovaries (ovulation), and it promotes the formation of corpora lutea, which are necessary for the maintenance of pregnancy once the gilt has become pregnant.
The combination of serum gonadotropin and chorionic gonadotropin in P.G. 600 induces fertile estrus in most prepuberal gilts and weaned sows three to seven days after administration (Schilling and Cerne, 1972; Britt et al., 1986; Bates et al., 1991). The animals may then be mated, or in the case of gilts, mating may be delayed until the second estrus after treatment.
Note: P.G. 600 is intended as a management tool to improve reproductive efficiency in swine production operations. To obtain maximum benefit from this product, estrus detection and other aspects of reproductive management must be adequate. If you are in doubt about the adequacy of your breeding program, consult your veterinarian.
Indications for Use: Prepuberal Gilts: P.G. 600 is indicated for induction of fertile estrus (heat) in healthy prepuberal (non-cycling) gilts over five and one-half months of age and weighing at least 85 kg (187 lb.).
Sows at weanng: P.G. 600 is indicated for induction of estrus in healthy weaned sows experiencing delayed return to estrus.
Cautions: Treatment will not induce estrus in gilts that have already reached puberty (begun to cycle). Gilts that are less than five and one-half months of age or that weight less than 85 kg (187 lb.) may not be mature enough to continue normal estrus cycles or maintain a normal pregnancy to full term after treatment.
Treatment will not induce estrus in sows that are returning to estrus normally three to seven days after weaning. Delayed return to estrus is most prevalent after the first litter; the effectiveness of P.G. 600 has not been established after later litters. Delayed return to estrus often occurs during periods of adverse environmental conditions, and sows mated under such conditions may farrow smaller than normal litters.
Directions for Use:
Single Dose Vials: Using a sterile syringe and a sterile 0.90 x 38 mm (20 G x 1-1/2") hypodermic needle, transfer the contents of one vial of sterile diluent (5 mL) into one vial of freeze-dried powder. Shake gently to dissolve the powder. Inject the contents of the vial into the gilt or sow’s neck behind the ear.
Storage Precautions: Store at or below room temperature, 77°F (25°C).
Once reconstituted, P.G. 600 should be used immediately. Unused solution should be disposed of properly and not stored for future use.
Spent hypodermic needles and syringes generated as a result of the use of this product must be disposed of properly in accordance with all applicable Federal, State and local regulations. | | Swine Supplies>Vaccines
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