1 GOAT SEMEN COLLECTION AND PROCESSING BY DR. LOUIS ...

portable floor cooler.
NOTE: Extended semen and all materials which come in contact with the
semen must now be at the same refrigerated temperature.
15. Fill straws (½ cc) and seal. Place on straw freezing rack.
16. Place liquid nitrogen into a styrofoam chest so that it is 5 cm deep. Let it sit for 5 -
10 minutes covered.
17. Place straw freezing rack containing filled straws into freezing chest so it is
suspended 2 inches (5 cm) above the level of the liquid nitrogen. Cover chest, leave
for 12-15 mins.
18. Remove cover and quickly dump straws into liquid nitrogen.
19. Remove a straw and thaw in 95° water for 1 minute. Open and evaluate.
20. If semen is acceptable, cane up straws and put into storage tanks.
V. Semen Evaluation:
With the increase in the use of AI in the goat, semen evaluation of the buck has
assumed considerable importance. This is a particularly important process when buck
semen is intended for distribution. The goal of semen quality evaluation is to assess the
products fertilizing ability. The majority of the studies concerned with semen evaluation, in
the past, has been performed with bull and ram semen and these procedures have been
extended to buck semen.
Extensive research has been conducted over the last 50 years to identify parameters
that measure sperm fertility. Currently, there is no single endpoint that can be used to
definitively evaluate a semen samples' fertilizability. The parameters are generally used in
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