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Volume 65 Number 1 >

Ameliorative effects of exogenous gonadotropins on reproductive profiles of replacement gilts with delayed puberty in a farm in Thailand

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Please use this identifier to cite or link to this item:http://doi.org/10.14943/jjvr.65.1.45

Title: Ameliorative effects of exogenous gonadotropins on reproductive profiles of replacement gilts with delayed puberty in a farm in Thailand
Authors: Am-In, Nutthee Browse this author
Roongsitthichai, Atthaporn Browse this author
Keywords: delayed puberty
gilts
gonadotropins
Issue Date: Feb-2017
Publisher: Graduate School of Veterinary Medicine, Hokkaido University
Journal Title: Japanese Journal of Veterinary Research
Volume: 65
Issue: 1
Start Page: 45
End Page: 50
Abstract: This study was to investigate the effect of gonadotropins on reproductive profiles of replacement gilts with delayed puberty. Totally, 136 Landrace × Yorkshire crossbred gilts, were categorized into control (n = 58) and treatment (n = 78) groups. Gonadotropins (400 U eCG plus 200 IU hCG) were administered in treatment group only. The results revealed that gilts in treatment group had higher number of gilts with estrus (92.3 vs 25.9%, P < 0.001), shorter onset to estrus (4.7 ± 0.3 vs 9.0 ± 0.8 d, P < 0.001), higher number of dominant follicles (18.0 ± 0.2 vs 13.2 ± 0.3 follicles, P < 0.001), and higher farrowing rate (87.5 vs 53.3%, P = 0.002) than those in control group. In conclusion, gonadotropins containing 400 IU eCG plus 200 IU hCG could improve reproductive profiles in replacement gilts with delayed puberty.
Type: bulletin (article)
URI: http://hdl.handle.net/2115/64785
Appears in Collections:Japanese Journal of Veterinary Research > Volume 65 Number 1

Submitter: 獣医学部図書室

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