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All Journal Animal Production : Indonesian Journal of Animal Production
RTS Adikara
Acupuncture Research Laboratory in Health Services - Centre of Research and Development of System and Health Policy. Science and Mathematic Faculty- Veterinarian Faculty Airlangga University- Medical Faculty Gajah Mada University
Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Environmental Science Veterinary

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Optimalization of Equilibration and Thawing Methode on Freezing Process of Garut Ram Semen (Ovis aries) Herdis, Herdis; Toelihere, MR; Supriatna, I; Purwantara, B; Adikara, RTS
ANIMAL PRODUCTION Vol 7, No 2 (2005): May
Publisher : Universitas Jenderal Soedirman, Faculty of Animal Science, Purwokerto-Indonesia

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Abstract

Generally, the problem of semen freezing process  is  cold shock effect and intracelullar change due to water release which is  related to  ice crystal formation. One factor to solve the problem is finding out optimal equilibration time and thawing method so there is only a little  damage spermatozoa during freezing process.  The research has been done  to explore  the  influence of  equilibration time and thawing methode  on  frozen semen quality of garut rams. The results shown that the mean of percentages of progressive motile sperm, percentages of viable sperm, percentages of plasma membrane and acrosomal intact on four hours equilibration (52.50% ;  62.33%; 57.17% and 56.42%)  were not significantly different  (P>0.05) from five hours equilibration (52.27%;  63.67%;  56.92% and 57.58 %)  and six hours equilibration (54.17%; 61.00%; 59.42% and 58.58%) respectively.  The percentages of progressive motile sperm, percentages of viable sperm,   percentages of plasma membrane and  acrosomal intact on the thawing method  on the temperature of 370C  for 30 seconds (53.33% ;  62.39%; 57.94% dan 58.61) were not significantly different  (P>0.05) from the thawing methode  on the temperature of 250C for 45 seconds (52.22% ; 62.28%; 57.72% dan 56.44) respectively.  The conclusion shown that  the treatment of four hours equilibration, five hours equilibration,   six hours equilibration and also  the treatment of thawing method  on the temperature of 370C   for 30 seconds and the thawing methode  on the temperature of 250C   for 45 seconds do not have effect on garut ram freezing semen quality. (Animal Production 7(2): 74-80 (2005) Key  Words : Equilibration, Thawing, Semen, Garut ram
Co-Authors B Purwantara herdis herdis I Supriatna MR Toelihere, MR