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Journal : Journal of the Indonesian Tropical Animal Agriculture

Comparison of different cryoprotective agents on swamp buffalo semen cryopreservation Herbowo, M. T.; Arifiantini, R. I.; Karja, N. W. K.; Sianturi, R. G.
Journal of the Indonesian Tropical Animal Agriculture Vol 45, No 4 (2020): December
Publisher : Diponegoro University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14710/jitaa.45.4.268-276

Abstract

Present study aimed to determine the effectivenessof dimethylformamide (DMF)as cryoprotective agent (CPA) by determining its optimum concentration inTris Eggyolk (TEY) extender on the quality of post-thaw swamp buffalo semen. Only ejaculates having > 60% sperm motility were divided into eight s tubes. Four tubes were diluted in TEY with 4, 5, 6, 7% of glycerol and four other tubes were diluted in TEY with 4, 5, 6, 7% of DMF. Diluted semen then packed into ministraw (0.25 mL), equilibrated at 4°C for 4 hours and freezed at 8 cm above liquid nitrogen vapour for 10 minutes and then stored at liquid nitrogencontainer. After 24 hours of storage, straws were thawed at 37°C for 30 seconds. The result showed that sperm motility after equilibration tend to be the same at all four glycerol concentrations, whereas the decrease in motility was highest in extenders with a DMF concentration of 7% (P <0.05). Post-thaw sperm motility and recovery rate in TEY extender containing 5% DMF or 7% glycerol were highest (P<0.05) than other glycerol or DMF concentration. Sperm viability and membrane integrity did not differ among TEY containing 6% or 7% glycerol, both  were higher (P<0.05) than 4% or 5% glycerol. Viability and membrane integrity of sperm in 5% DMF was superior (P<0.05) to 4%, 6% or 7%. This research concluded that 5% DMF or 7% glycerol was considered to be the most suitable CPAs for swamp buffalo semen cryopreservation. 
The effect of L-carnitine in Tris egg yolk-based diluent on the quality of Pasundan bull semen preserved in chilled condition Darussalam, I.; Arifiantini, R. I.; Supriatna, I.; Rasad, R. S. D.
Journal of the Indonesian Tropical Animal Agriculture Vol 45, No 3 (2020): September
Publisher : Diponegoro University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14710/jitaa.45.3.197-205

Abstract

The study was conducted to investigatethe effect of L-Carnitine supplementation in Tris-eggyolk (TEY) diluents to optimize the quality of Pasundan bull liquid semen. Semen samples were collected from three Pasundan bulls (6 – 7 years old)usinganartificial vagina. Semen samples were evaluated macroscopically and microscopically, semen having ≥70% progressive motility, ≥500×106ml-1 sperm concentration and ≤ 20% sperm abnormalities were divided into 5 equal part. Each part  wasdiluted with TEYand supplemented with0 mM(control), 1 mM, 2 mM, 3 mM and 4 mM L-Carnitine. Liquidsemen was storedat5°C.Sperm motility was evaluated every 12 h  objectively using Computer Asissted Sperm Analysis (CASA) until progressive motilityreached 40%. The best diluent was demonstratedby progressive motility (PM)by TEY supplemented with 1 mM L-Carnitine(43.08±0.49%) that remained up to 108 h compared tothecontrol group (43.63±0.70%) that remained up to 72 h (P<0.05). In conclusion, 1 mM L-Carnitine in TEY was the best concentration for preservation of Pasundan bull semen stored in the liquid form. 
Characteristics of the post-thawed Balinese bull semen extended in three different extenders and equilibration times Amal, A. S.; Arifiantini, R. I.; Setiadi, M. A.; Said, S.
Journal of the Indonesian Tropical Animal Agriculture Vol 44, No 2 (2019): June
Publisher : Diponegoro University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14710/jitaa.44.2.135-145

Abstract

The objectives of the present study were to compare and determine the best post-thawed characteristics of balinese bull sperm cryopreserved in three different extenders; animal based (Tris-clarified egg yolk (Tris-cEY)), and non-animal based extenders (Bioxcell® (lecithin based) and Optixcell® (liposome based)) in combination with three different equilibration times (30 minutes, 2 hours, 4hours). Thirty six ejaculates were collected from six Balinese bulls and frozen in three extenders (Tris-cEY, Bioxcell® and Optixcell®) after equilibration in three different times (30 minutes, 2hours and 4hours). Computer-assisted sperm analysis (CASA), hypo-osmotic swelling test (HOST) and eosin nigrosin staining were used in the post-thawed semen analysis. There was a significant interaction between equilibration time and extender type for sperm motility, viability and membrane integrity. Thirty minutes equilibration time had the lowest values (P<0.05) for all the evaluated parameters independent of extender type. Overall, semen extended in Tris-cEY, Bioxcell® and Optixcell® were similarly better when equilibrated at 4 hours (P>0.05). Moreover, post-thawed semen which were extended in Optixcell® for 2 hours equilibration showed a better motility compared with the other extenders (P<0.05). In conclusion, two hours equilibration of semen with Optixcell® is sufficient for semen freezing. Four hours equilibration has the best sperm survival, independent of the extender type.
Sex sorting sperm of sumba ongole bulls by using snakehead fish (Channa striata) albumin extract Maulana, T.; Said, S.; Arifiantini, R. I.; Setiadi, M. A.
Journal of the Indonesian Tropical Animal Agriculture Vol 44, No 1 (2019): March
Publisher : Diponegoro University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14710/jitaa.44.1.106-113

Abstract

The objective of this research was to investigate the potential of snakehead albumin extract (channalbumin) for sorting X and Y sperm of Sumba Ongole (SO) and its characteristic. Semen was collected from three SO bulls using artificial vagina and the freeze dried channalbumin was extracted from snakehead fish. Channalbumin column was made with different concentration ratio of top and bottom fraction: 2%:4%; 3%:5%; 4%:6% respectively and BSA 5%:10% as control. Semen was put in top fraction then incubated for 30 min at room temperature then each fraction was centrifuged at 1800 rpm for 10 minutes. The pellet was evaluated for motility, abnormality, viability, membrane integrity and head sperm morphometric. The results showed that the channalbumin capable to maintain sperm motility in the top fraction better than the bottom fraction. Sperm viability and membrane integrity in control group were significantly higher (P<0.05) than all channalbumin treatment. BSA 5%:10% has highest proportion of X and Y sperm (69%:76.77%) compared with 2%:4% (42.33%:79.13%), 3%:5% (55.97%:75.73%) and 4%:6% of channalbumin (62.77%:68%). It’s concluded that channalbumin 4%: 6% was effective for separation of XY sperm with higher proportion.