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Martin PA, Dooley MP, Hembrough FB, et al. Retrograde flow of spermatozoa into the urinary bladder of boars during collection of semen by electroejaculation. Theriogenology. 1994;41(4):869-77doi: 10.1016/0093-691x(94)90502-a.
Martin, P. A., Dooley, M. P., Hembrough, F. B., & Pineda, M. H. (1994). Retrograde flow of spermatozoa into the urinary bladder of boars during collection of semen by electroejaculation. Theriogenology, 41(4), 869-77. https://doi.org/10.1016/0093-691x(94)90502-a
Martin, P A, et al. "Retrograde flow of spermatozoa into the urinary bladder of boars during collection of semen by electroejaculation." Theriogenology vol. 41,4 (1994): 869-77. doi: https://doi.org/10.1016/0093-691x(94)90502-a
Martin PA, Dooley MP, Hembrough FB, Pineda MH. Retrograde flow of spermatozoa into the urinary bladder of boars during collection of semen by electroejaculation. Theriogenology. 1994;41(4):869-77. doi: 10.1016/0093-691x(94)90502-a. PMID: 16727440.
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Theriogenology. 1994;41(4):869-77. doi: 10.1016/0093-691x(94)90502-a.

Retrograde flow of spermatozoa into the urinary bladder of boars during collection of semen by electroejaculation.

Theriogenology

P A Martin, M P Dooley, F B Hembrough, M H Pineda

Affiliations

  1. Veterinary Medical Research Institute, Iowa State University, Ames, IA 50011, USA.

PMID: 16727440 DOI: 10.1016/0093-691x(94)90502-a

Abstract

Boars that had a catheter implanted in the urinary bladder (n = 11) were used to determine the magnitude of retrograde flow of spermatozoa into the urinary bladder during electroejaculation. The overall mean (+/- SD) number of spermatozoa in the electroejaculate of boars was 22 +/- 20 x 10(9), with a mean range for individual boars of 3 +/- 3 to 48 +/- 13 x 10(9). The overall mean adjusted total number of spermatozoa in the post-electroejaculation urine was 1.038 +/- 2.656 x 10(9), and the mean percentage of retrograde flow of spermatozoa into the urinary bladder among boars ranged from 0% to 32.69%, with an overall mean percentage of retrograde flow of 7.51 +/- 17.82%. These findings indicate that in boars electroejaculation is associated with retrograde flow of spermatozoa into the bladder.

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