Age and Seasonal Impacts on Bull Semen Quality: Current Findings and Future Directions
Keywords:
Bull semen quality, Age-related changes, Seasonal effects, Artificial insemination, Reproductive success, Genetic variability
Abstract
This review explores the intricate interplay between age, season, and semen quality in bull reproduction, emphasizing the need for standardized assessment protocols, and advanced molecular technologies. Age-related changes in semen parameters such as volume, concentration, motility, and morphology are driven by physiological, and hormonal factors. Seasonal variations, influenced by environmental conditions, further affect reproductive success. Despite extensive research, inconsistencies in findings persist, highlighting the need for deeper investigation into the underlying mechanisms. Recent advancements underscore the significance of hormonal and nutritional influences on semen quality, advocating for targeted interventions. Key challenges in assessing semen quality include genetic variability, inconsistent methodologies, and a lack of longitudinal studies. Future research should focus on elucidating molecular pathways, integrating advanced technologies, and developing predictive models to optimize artificial insemination programs. Addressing these gaps requires a multidisciplinary approach to enhance reproductive performance and genetic progress in the cattle industry. This review offers valuable insights into the complexities of age and seasonal effects on bull semen quality, calling for standardized methods ,and innovative strategies to advance the field
References
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13. Collier, R. J., Renquist, B. J., & Xiao, Y. (2017). A 100-Year Review: Stress physiology including heat stress. Journal of dairy science, 100(12), 10367-10380.
14. De Rensis, F., Garcia-Ispierto, I., & López-Gatius, F. (201 5). Seasonal heat stress: Clinical implications and hormone treatments for the fertility of dairy cows. Theriogenology,84(5), 659-666. https://doi.org/10.1016/j.theriogenology.2015.04.021
15. Diarra, M. S., Pare, J. P., & Roy, G. (1997). Genetic and environmental factors affecting semen quality of young Holstein bulls,77-85.
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20. Erb, R. E., F. N. Andrews, and J. H. Hilton,1942. Seasonal variation in semen quality of the dairy bull. J. Dairy Sci. 25:8l5-826. PARC, Islamabad, Pakistan.
21. Fields, M. J., Burns, W. C., & Warnick, A. C. (1979). Age, season, and breed effects on testicular volume and semen traits in young beef bulls. Journal of Animal Science, 48, 1299–1304.
22. Gadea, J., Sellés, E., Marco, M. A., Coy, P., Matás, C., Romar, R., & Ruiz, S. (2004). Decrease in glutathione content in boar sperm after cryopreservation: Effect of the addition of reduced glutathione to the freezing and thawing extenders. Theriogenology, 62(3-4), 690-701.
23. Galloway, D.B. 1961. Testicular pathology in bulls sent for slaughter in N.S.W. preliminary survey. Australian Veterinary Journal, 37: 335-341.
24. Gill, R.S., Gangwar, P.C. and Takkar, O.P. 1974. Seminal attributes in buffalo bulls as affected by different seasons. Indian Journal of Animal Science, 44: 415-418.
25. Godfrey, R. W., Lunstra, D. D., Jenkins, T. G., Berardinelli, J. D., Guthrie, M. J., Neuendorff, D. A., Long, C. R., & Randel, R. D. (1990). Effect of season and location on semen quality and serum concentrations of luteinizing hormone and testosterone in Brahman and Hereford bulls. Journal of Animal Science, 68, 734–749.
26. Goswami, S. C., Mehta, S. N., Georgie, G. C., Dixit, V. P., Lohan, I. S., & Kaker, M. L. (1991). Effect of meteorological factors and seasons on luteinizing hormone, testosterone and semen of zebu-taurus bulls.
27. Graffer, T., Solbu, H., & Filseth, O. (1988). Semen production in artificial insemination bulls in Norway. Theriogenology, 30, 1011-1021.
28. Gupta, R.C., Sharma, A.K. and Khurana, N.K. 1984. Testosterone levels and libido in buffalo bull. Congress. 10th International Animal Reproduction and Artificial Insemination, University of Illinois Urbana-Champaign, pp, 282.
29. Gustafsson, B. 1965. A case of akinesia of bull sperm associated with a functional disturbance in the epididymis.Nordisk Veterinaer Medicin, 17: 65-72.
30. H.C. Pant et al., (2003) Testicular development and its relationship to semen production in Murrah buffalo bulls. Theriogenology,60(1),(27- 34),https://doi.org/10.1016/S0093- 691X(02)01037-3.
31. Hancock,J.L.(1959).The morphological characteristics of spermatozoa and fertility. International Journal of Fertility, 4(3), 347-359.
32. Hankiewicz, J., Hankiewicz, K., Hanus, S. & Szaflarchi, J. (1964) Die Aktivitäat der Sorbitolde¬hydrogenase under Transaminasen (GOT) und (GPT) in dem Bullenejakulat. Enzymologia,28, 10.
33. Heuer, C., Bader, H. and Bajwa, M.A. 1982. Sperm morphology of the Nili-Ravi buffaloes. Pakistan Veterinary Journal, 2: 155-160.
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Published
2024-06-25
How to Cite
Ravi Babu Surisetti, Dr.Jaya Pattasi, Dr. N.Karunakara Rao, Dr.G SravaniV.D, & Dr Adari Arjuna Apparao. (2024). Age and Seasonal Impacts on Bull Semen Quality: Current Findings and Future Directions. Revista Electronica De Veterinaria, 25(1S), 25-42. Retrieved from https://veterinaria.org/index.php/REDVET/article/view/563
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