MULYANI
NOFRIZA. Individual Variation on the Success of Garut Ram Frozen Semen
Production. Supervised by R IIS ARIFIANTINI and MUCHIDIN NOORDIN.
This
research aims to study the individual variation on the successful Garut ram
frozen semen production. The semen obtained from four sexuality mature Garut
ram (Sinta, Wulung, Jabar, Batara), belong to Artificial Insemination Centre
(AIC) at Lembang, Bandung. The semen was collected using artificial vagina and
evaluated macro- and microscopically. The semen was diluted with andromed,
equilibrate, packed into 0.25 mL mini straw, and freeze above liquid nitrogen
vapor according to AIC standard procedures. The result of this experiment
indicated there were differences in raw semen quality. Wulung demonstrated the
highest raw semen motility (82.50%) and Batara has the lowest raw semen
motility (75.50%). There were no differences in post thawing motility (PTM) in
all rams. The PTM were between 40.00-41.67%. The recovery rate of sperms
obtained from Batara ram was significantly higher than the others. This
research concluded that there was an individual variation on the quality of
Garut rams frozen semen.
Key
words: frozen semen, freezing capability, Garut ram, recovery rate
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