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All Journal Tropical Animal Science Journal Hasanuddin Journal of Animal Science (HAJAS)
Sahiruddin, S.
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Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Chemistry Economics, Econometrics & Finance Energy Immunology & microbiology

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Integrated Metabolomic and Functional Assessment of Sexed Frozen Semen in Holstein Friesian Bulls Yusuf, M.; Diansyah, A. M.; Sahiruddin, S.; Masturi, M.; Maulana, T.; Said, S.; Rahmat, R.; Alfian, A. M.; Adam, A. A. S.; Yusri, A. N. H. S.; Nurlatifah, A.; Amrullah, M. F.
Tropical Animal Science Journal Vol. 49 No. 1 (2026): Tropical Animal Science Journal
Publisher : Faculty of Animal Science, IPB University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.5398/tasj.2026.49.1.19

Abstract

This study examined the differences in sperm quality and metabolite profiles among X and Y sperm in Friesian Holstein bulls. It also tried to find specific metabolites that can help improve the accuracy of sexed semen use in humid tropical dairy farms. Semen samples from five bulls were separated by sex and tested for movement, live sperm count, shape, and membrane and acrosome health. The tests used Computer-Assisted Sperm Analysis (CASA) and regular microscope checks. Metabolite analysis was performed using LC-HRMS, followed by various statistical tests, pathway checks, and ROC curve analysis. The outcomes showed that X sperm had better movement and acrosome health, while Y sperm had stronger membranes, fewer shape problems, and moved faster. The untargeted metabolite study showed clear differences between the two groups. X sperm had more identified metabolites and greater average levels. The crucial metabolites found more in X sperm were D-(−)-fructose, L-(+)-lactic acid, and sn-glycero-3-phosphocholine. Meanwhile, Y sperm had greater levels of acetyl-L-carnitine. The pathway analysis showed that X sperm primarily utilized carbohydrate and fat processing through glycolysis and phosphocholine pathways to maintain their movement and membrane integrity. On the other hand, Y sperm mainly use a carnitine-based energy pathway to support their faster and straighter movement. The identified metabolites can serve as reliable biomarkers to aid in laboratory quality control checks and enhance the quality of semen extenders. This outcome gives a good way to make sexed semen more stable and reliable in tropical dairy farming conditions.
Effect of Ejaculation Frequency on Semen Quality of Bali Cattle Tamiyadi, A.; Yusuf, M.; Sahiruddin, S.; Diansyah, A.M.; Masturi, M.; Nurgina, A.T.
Hasanuddin Journal of Animal Science (HAJAS) Vol. 8 No. 1 (2026)
Publisher : Faculty of Animal Science, Hasanuddin University, Makassar, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20956/hajas.v8i1.45734

Abstract

Semen quality is influenced by the frequency of ejaculation, which is significant to semen characteristics. The purpose of this study was to analyze the effect of ejaculation frequency on the quality of fresh Bali cattle semen, which includes volume, motility, and concentration of spermatozoa at the AI Center Pucak Maros. This study used secondary data from production records (recording) derived from 5 Bali cattle males, with a frequency of ejaculation of 2 times. The results showed that the frequency of ejaculation was statistically significantly different (P<0.05) in semen volume in males 11442 and 11434; the percentage of motility was significantly different (P<0.05) in male 11539; and the concentration of spermatozoa was significantly different (P<0.05) in males 11442, 11434, and 11539. The correlation coefficients for the three quality parameters showed negative correlations between semen volume and motility (R=-0.531) and concentration (R=-0.414), whereas motility and concentration were positively correlated (R=0.740). In conclusion, the second ejaculation has an impact on increasing semen volume but will reduce the percentage of motility and concentration of spermatozoa. Keywords: ejaculation frequency, Balinese cattle, volume, motility, concentration
Co-Authors Adam, A. A. S. Alfian, A. M. Amrullah, M. F. Diansyah, A. M. Diansyah, A.M. M. Yusuf Masturi Masturi Nurgina, A.T. Nurlatifah, A. Rahmat, R. S. Said T. Maulana, T. Tamiyadi, A. Yusri, A. N. H. S.