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Effect of prostaglandin F2α on reproductive performance in Iranian low libido Holstein bulls

Published online by Cambridge University Press:  23 November 2017

Reza Masoumi ,
Armin Towhidi ,
Ardashir Nejati-Javaremi  and
Habib Nabizade
Reza Masoumi*
Affiliation:
University of Tehran, Karaj, Tehran, Islamic Republic of Iran
Armin Towhidi
Affiliation:
University of Tehran, Karaj, Tehran, Islamic Republic of Iran
Ardashir Nejati-Javaremi
Affiliation:
University of Tehran, Karaj, Tehran, Islamic Republic of Iran
Habib Nabizade
Affiliation:
University of Tehran, Karaj, Tehran, Islamic Republic of Iran
*
Email:masoomi.reza@gmail.com
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Extract

The widespread use of dairy bull semen in artificial insemination requires that semen production be as efficient as possible. Investigators have shown that low libido is one of the most common problems encountered with bulls and one that frequently leads to culling. In commercial situations, treatment with PGF2α has been used to expedite mounting behavior, as well as restore libido in boars displaying decreased sex drive (Szurop et al, 1985). When administered prior to ejaculation, PGF2α markedly increased the number of spermatozoa in first ejaculates from bulls and rabbits (Hafs et al, 1974). The objective of this study was to determine whether injections of PGF2α in low libido Iranian Holstein bulls can improve semen characteristics and libido.

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Posters
Information
Proceedings of the British Society of Animal Science , Volume 2008 , 2008 , pp. 165
Copyright
Copyright © The British Society of Animal Science 2008

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References

Estienne, MJ, Harper, AF, Knight, JW, Barb, CR, Rampacek, GB. Sexual behavior after treatment with prostaglandin-F2 alpha in boars with suppressed concentrations of gonadal steroids. Appl Anim Behav Sci 2004; 89:53–57.Google Scholar
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Szurop, I, Nagy, A, Jochle, W. Stimulation of libido in pubertal and mature boars with prostaglandin F2 alpha analogs: Clinical observations. Zuchthyg 1985; 20:83–86.Google Scholar