![]() In conclusion: (1) Sperm motility of local ram semen was influenced by age (2) Ram aged 25-36 months produces the highest motility of sperm and viability. The lowest sperm viability was also found in G1 after the chilled semen was kept for 4 to 5 days at 40% of motility, while the highest viability was in G3 by 9 days for 43.75% of motility. The lowest sperm motility (70.62%) found in G1 and significantly differs from other groups. The result showed that no significant different found for semen quality parameters at different ages of ram (P>0.05), except for sperm motility (P<0.05). While data on semen volume, sperm concentration, and sperm abnormality were analyzed using analysis of variance followed by Duncan’s multiple range test for the differences among treatments. Data collective which analyzed descriptively were: semen color, odor, viscosity, pH, sperm viability. You will not be able to determine the exact age, especially in older animals. Each group consisted of four rams as replication and each replication was evaluated four times. The age of animals can be determined by examination of the front teeth. The method used in this study was Complete Randomized Design with five groups of treatment consisted of groups of sheep aged: under 12 months (G1), 12-24 months (G2), 25-36 months (G3), 37-48 months (G4), and 49-72 months (G5). ![]() Results showed that age and weight of ram lambs at puberty were significantly affected (P. Therefore, the objective of this study was to observe semen quality and viability at different level of ages in Javanese local sheep. Animal groups were housed in closed barns with access to an open area. Age is one of determinant factors on semen quality due to its relation with the development of male’s reproductive tracts. ![]()
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