HOME HELP FEEDBACK SUBSCRIPTIONS ARCHIVE SEARCH TABLE OF CONTENTS		QUICK SEARCH:   [advanced] Author: Keyword(s): Year:  Vol:  Page:

This Article Full Text (PDF) Alert me when this article is cited Alert me if a correction is posted Services Similar articles in this journal Similar articles in PubMed Alert me to new issues of the journal Download to citation manager Citing Articles Citing Articles via Google Scholar Google Scholar Articles by Furman, J. W. Articles by Seidel, G. E. Search for Related Content PubMed PubMed Citation Articles by Furman, J. W. Articles by Seidel, G. E., Jr.

Electroejaculation of Bulls Using Pulse Waves of Variable Frequency and Length^{1, 2,}

Colorado State University, Fort Collins 80523

Abstract

The effects of stimulation with the factorial combination of pulse waves of three wave lengths and three frequencies were compared to a modified sine wave for electroejaculation of the bull. The 4 msec pulse wave length and frequencies of 50 or 80 pulses/sec produced a higher incidence of penile protrusion and initiation and completion of ejaculation more quickly and at lower voltages. However, the sine wave treatment was equal or superior to any of the nine pulse wave treatments for all criteria studied. Seminal characteristics averaged over treatments were for first and second ejaculates, respectively; pre-sperm fluid volume, 2.71 and 3.49 ml; sperm-rich fluid volume, 5.24 and 6.00 ml; sperm-rich fluid spermatozoal concentration, 596 and 334 X 10⁶/ml; and progressive motility 52.9 and 59.1%.

¹ Published with the approval of the Director of the Colorado State University Agricultural Experiment Station.

² This study was supported in part by a grant from Nicholson Manufacturing Company, a subsidiary of DAMON, Medical Services Division, 607 Northwestern Avenue, Chicago, Illinois 60612.

³ Animal Reproduction Laboratory, Colorado State University, Fort Collins, Department of Physiology and Biophysics.