These conflicting reports and the expense of the drug leads us to the conclusion that further research is needed to investigate why greater numbers of sows express estrus, are mated, but then fail to farrow, before PG600 can be recommended for routine use in the sow herd. Do not breed gilts at induced estrus due to the occurrence of very low and very high ovulation rates, and frequent failure to maintain pregnancy. of human chorionic gonadotropin (hCG). For induction of estrus in prepuberal gilts and weaned sows experiencing delayed return to estrus. 600, a non-prescription drug marketed by Intervet America Inc. (Millsboro, DE), is used to stimulate the onset of heat and ovulation in prepubertal gilts and weaned sows and thus can decrease NPDs. For induction of estrus in healthy weaned sows experiencing delayed return to estrus. Delayed return to estrus often occurs during periods of adverse environmental conditions, and sows mated under such conditions may farrow smaller than normal litters. by Robert V. Knox, Swine Reproductive Extension Specialist Department of Animal Sciences, University of Illinios, 2007 North American Boar Stud Survey Results, Realtime Ultrasound powerpoint for pregnancy. PG600 administered to sows at weaning improves the percent of sows that return to estrus by 20% and reduces the time interval from weaning to estrus by ~1 day. For induction of estrus in prepuberal gilts and weaned sows experiencing delayed return to estrus. Administer to sows at weaning that are experiencing delayed return to estrus. For use in pigs to promote the development of a fertile oestrous cycle. Administer to non-cycling (prepuberal) gilts that are at least 5-1/2 months of age and weigh at least 187 lbs. 1. Some gilts actually ovulate after the 1st injection but fail to show estrus and therefore a 2nd injection would only induce new ovulations and result in a greater delay to next estrus. 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 weigh less than 85 kg (187 lb.) However, for females that are anestrus 3 weeks after the 1st shot, a 2nd shot can be effective at inducing 50% of these gilts into estrus within a week. 600 has not been established after later litters. Do not immediately give a second injection if gilts fail to respond to the 1st injection. P.G. In prepubertal gilts, evidence suggests that the subcutaneous PG600 improves estrus and ovulatory responses compared to intramuscular administration. PG600 contains a combination of two hormones that have been approved worldwide for use in swine for inducing estrus. … 600'S ROLE IN SWINE PRODUCTION. The techniques for success, and the pitfalls for failure in detection of estrus in the breeding herd. In early 1994 it was also licensed to induce ovulation in sows after weaning. In addition to dosage effect, it was found that ovulation rate of the pigs treated with 1.0 dose of PG600 was significantly lower than that of those injected with 1.5 and 2.0 doses of PG600. The Golden Pig AI... Golden Pig AI Cat... $4.05 Add to cart. In the past few years, we in the swine industry have focused a lot of attention on Non-Productive sow Days (NPD). 600 was originally only licensed for use in gilts. PG600 is also used to advance estrus in weaned sows. Each single dose contains standardized biological activity of PMSG and hCG. For induction of fertile estrus in non-cycling gilts over 5 1/2 months of age & weighing at least 187 lbs. Will not induce estrus in gilts who have already begun to cycle. 3. The injection stimulates follicles on the ovary to grow, and to produce estrogen, which induces the female to express estrus (standing response) in the presence of a boar. A single dose turns on the heat 3-7 days after use. Although P.G. When used at a constant dose, 400 IU eCG: 200 IU hCG, PG600 increases the rate of ovulation in pigs having naturally occurring estrous cycles in which stage of cycle was synchronized with Regumate as compared with prepuberal gilts that were pretreated with Regumate (Estienne et al., 2001). of pregnant mare serum gonadotropin (PMSG) and 200 I.U. Abstract PG600 is a synthetic gonadotropin comprising 400 IU equine chorionic gonadotropin (eCG) and 200 IU human chorionic gonadotropin (hCG). These follicles will eventually ovulate and release eggs during late estrus.

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