Department of Animal
Production, College of Agriculture, University of Baghdad, Baghdad, Iraq
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The success of an
artificial insemination program in ostriches is highly dependent on the
yield of viable semen. We, therefore, tested the effect of collection
method (Massage, dummy or teaser) on semen quality of male ostriches.
Male and female ostriches selected for training were from a breeding
flock consisting of 90 adult ostriches (3 to 7 years old). Nine males
were used in training for massage, dummy or teaser distributed equally.
Semen characteristics were evaluated fortnightly for three consecutive
months from all males involved in all semen collection methods. Semen
quality traits involved in this study were ejaculate volume, sperm
concentration, total number of spermatozoa, mass motility, individual
motility and percentages of dead spermatozoa, abnormal spermatozoa and
abnormal acrosome.
Results
revealed that using teaser female method, male ostriches recorded the
highest values (P≤0.05) of ejaculated volume, spermatozoa concentration,
total number of spermatozoa, mass motility, and individual motility and
the lowest (P≤0.05)
percentage of dead spermatozoa, abnormal spermatozoa
and abnormal acrosome during
the whole period of experiment while massage method recorded the lowest
values for these traits. In conclusion, collecting semen during mating
(teaser or dummy) appears to yield better quality of semen than manual
massage.
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