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ORIGINAL ARTICLE
Year : 2017  |  Volume : 6  |  Issue : 5  |  Page : 197-201

Effects of anestrus dog serum on superovulation in rats and mice


1 Department of Clinical Sciences, School of Veterinary Medicine, Shiraz University, Shiraz, Iran
2 Gastroenterohepatology Research Center, Shiraz University of Medical Sciences, Shiraz, Iran

Correspondence Address:
Asghar Mogheiseh
Department of Clinical Sciences, School of Veterinary Medicine, Shiraz University, Shiraz
Iran
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Source of Support: None, Conflict of Interest: None


DOI: 10.4103/2305-0500.215929

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Objective: To study the effects of anestrus dog serum in rodents (contains high amount of FSH) compared with two common superovulatory programs. Methods: Rats (n=30) at diestrus phase were evenly divided into pregnant mare serum gonadotrophins (PMSG) group (administrated with 30 IU PMSG, and 48 h later following by 25 IU hCG), recombinant follicle stimulating hormone (rFSH) group (reducing dose every 12 h from 5 to 1 IU, then following by 25 IU hCG) and anestrus dog serum group (reducing dose every 12 h from 0.6 to 0.1 mL, then following by 25 IU of hCG). Mice (n=30) were also evenly divided into PMSG group (5 IU PMSG used at 13 pm, and 48 h later following by 5 IU of hCG), rFSH group (from 13 pm, reducing dose every 12 h from 2.5 to 0.5 IU, then following by 5 IU hCG) and anestrous dog serum group (from 13 pm, reducing dose every 12 h from 0.100 to 0.025 mL, then following by 5 IU hCG). Mice and rats placed with males for 24 h after last injection. Histology samples of ovaries were prepared and the numbers of corpus lutea were counted on day 14 after mating. Results: In mice, the differences among mean number of corpus lutea in all groups (P=0.01) and between FSH and dog serum group were significant (P=0.000 7). But no significant differences were found between the mean number of corpus lutea in dog serum and PMSG, or between FSH and PMSG groups. In rats, mean number of corpus lutea were significant differences among three groups (P=0.01), and between PMSG and dog serum groups (P=0.02). Conclusions: Superovulatory response in anestrus dog serum group is similar to PMSG group in mice, which is relatively similar to FSH in rats.


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