Merck Manual

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Ejaculatory ducts, ostrich
Ejaculatory ducts, ostrich

    Ejaculatory ducts with white semen expressed in a male ostrich. Collecting semen twice a day in a captive setting yields maximum semen output and may improve semen viability. In addition, selecting males according to optimal semen characteristics and individual libido may improve semen collection efficiency.

Courtesy of Dr. Karen Hicks-Alldredge.

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