Genetic parameter estimation of semen characteristics and sire selection traits for Bonga sheep under the community-based breeding program

References

• Akaike, H. (1974). A new look at the statistical model identification. IEEE Transactions on Automatic Control, 19(6), 716–12. https://doi.org/10.1109/TAC.1974.1100705
   Web of Science ®Google Scholar
• Allaoui, A., Safsaf, B., Laghrour, W., & Tlidjane, M. (2014). Factors affecting scrotal measurements and weight of Ouled Djellal Rams in Eastern and South-Eastern Algeria. Procedia – Social and Behavioral Science, 8, 260–265. https://doi.org/10.1016/j.apcbee.2014.03.037
   Google Scholar
• Areb, E., Getachew, T., Kirmani, M. A., Abate, Z., & Haile, A. (2021). Estimation of (co)variance components, genetic parameters, and genetic trends of growth traits in community-based breeding programs of Bonga sheep. Animal, 15(5), 100202. https://doi.org/10.1016/j.animal.2021.100202
   PubMed Web of Science ®Google Scholar
• Barth, A. D. (2007). Evaluation of potential breeding soundness of the bull. Cardiovascular Imaging, https://doi.org/10.1016/B978-1-4160-5009-4.50004-2
   Google Scholar
• David, I., Kohnke, P., Lagriffoul, G., Praud, O., Plouarboué, F., Degond, P., & Druart, X. (2015). Mass sperm motility is associated with fertility in sheep. Animal Reproduction Science, 161, 75–81. https://doi.org/10.1016/j.anireprosci.2015.08.006
   PubMed Web of Science ®Google Scholar
• Duguma, G., Cloete, S. W. P., Schoeman, S. J., & Jordaan, G. F. (2002). Genetic parameters of testicular measurements in Merino rams and the influence of scrotal circumference on total flock fertility. South African Journal of Animal Science, 32(2), 76–82. https://doi.org/10.4314/sajas.v32i2.3748
   Web of Science ®Google Scholar
• Elmaz, Ö., Cirit, Ü., & Demir, H. (2007). Relationship of testicular development with age, body weight, semen characteristics and testosterone in Kivircik ram lambs. South African Journal of Animal Science, 37(4), 269–274. https://doi.org/10.4314/sajas.v37i4.4100
   Web of Science ®Google Scholar
• Habtegiorgis, K., Haile, A., Kirmani, M. A., & Getachew, T. (2020). Estimates of genetic parameters and genetic trends for growth traits of Doyogena Sheep in Southern Ethiopia. Small Ruminant Research, 4, 33–49. https://doi.org/10.1016/j.smallrumres.2016.12.002
   Google Scholar
• Haile, A. (2017). Breeding programs for Ethiopian small ruminants.
   Google Scholar
• Haile, A., Getachew, T., Mirkena, T., Duguma, G., Gizaw, S., Wurzinger, M., Soelkner, J., Mwai, O., Dessie, T., Abebe, A., Abate, Z., Jembere, T., Rekik, M., Lobo, R. N. B., Mwacharo, J. M., Terfa, Z. G., Kassie, G. T., Mueller, J. P., & Rischkowsky, B. (2020). Community-based sheep breeding programs generated substantial genetic gains and socioeconomic benefits. Animal, 14(7), 1362–1370. https://doi.org/10.1017/S1751731120000269
   PubMed Web of Science ®Google Scholar
• Ha, M. T., Sac, N. H., Que, L. B., Hai, P. T., Tuan, H. M., Tiem, P. V., Hoa, N. T. T., Kiem, V., & Thong, L. V. (2012). Relationship between scrotal circumference with some indicators of semen parameters in Holstein Friesian and Brahman breeding bulls. Livestock Research for Rural Development, 24. http://www.lrrd.org/lrrd24/7/ha24112.htm
   Google Scholar
• Hodge, M. J., Rindfleish, S. J., de las Heras-Saldana, S., Stephen, C. P., & Pant, S. D. (2022). Heritability and genetic parameters for semen traits in Australian Sheep. Animal, 12(21), 2946–3163. https://doi.org/10.1038/scientificamerican10251879-3163asupp
   Google Scholar
• Kealey, C. G., MacNeil, M. D., Tess, M. W., Geary, T. W., & Bellows, R. A. (2006). Genetic parameter estimates for scrotal circumference and semen characteristics of Line 1 Hereford bulls. Journal of Animal Science, 84(2), 283–290. https://doi.org/10.2527/2006.842283x
   PubMed Web of Science ®Google Scholar
• Latif, M., Ahmed, J., Bhuiyan, M., & Shamsuddin, M. (2009). Relationship between scrotal circumference and semen parameters in crossbred bulls. Bangladesh Veterinary Journal, 26(2), 61–67. https://doi.org/10.3329/bvet.v26i2.4952
   Google Scholar
• Macfarlane, J. S. (1991). Salamon's artificial insemination of sheep and goats. Tropical Animal Health and Production, 23(2), 114–114. https://doi.org/10.1007/BF02361195
   Google Scholar
• Meyer, K. (2007). WOMBAT—A tool for mixed model analyses in quantitative genetics by restricted maximum likelihood (REML). Journal of Zhejiang University Science B, 8(11), 815–821. https://doi.org/10.1631/jzus.2007.B0815
   PubMedGoogle Scholar
• Mirkena, T., Duguma, G., Willam, A., Wurzinger, M., Haile, A., Rischkowsky, B., Okeyo, A. M., Tibbo, M., & Solkner, J. (2012). Community-based alternative breeding plans for indigenous sheep breeds in four agro-ecological zones of Ethiopia. Journal of Animal Breeding & Genetics, 129(3), 244–253. https://doi.org/10.1111/j.1439-0388.2011.00970.x
   PubMed Web of Science ®Google Scholar
• Moghaddam, G., Pourseif, M., Asadpour, R., Rafat, S. A., & Jafari-Jozani, R. (2012). Relationship between levels of peripheral blood testosterone, sexual behavior, scrotal circumference and seminal parameters in crossbred rams. Acta Scientiae Veterinariae, 40(3), 1–8. https://www.redalyc.org/articulo.oa?id=289023557004
   Web of Science ®Google Scholar
• Morris, C. A., Baker, R. L., & Cullen, N. G. (1992). Genetic correlations between pubertal traits in bulls and heifers. Livestock Production Science, 31(3–4), 221–234. https://doi.org/10.1016/0301-6226(92)90019-Z
   Google Scholar
• Pelayo, R., Ramón, M., Granado-Tajada, I., Ugarte, E., Serrano, M., Gutiérrez-Gil, B., & Arranz, J. J. (2019). Estimation of the genetic parameters for semen traits in Spanish dairy sheep. Animals, 9(12), 1–11. https://doi.org/10.3390/ani9121147
   Web of Science ®Google Scholar
• Perkins, A., & Fitzgerald, J. (1992). Luteinizing hormone, testosterone, and behavioral response. Journal of Animal Science, 70(6), 1787–1794. https://doi.org/10.2527/1992.7061787x
   PubMed Web of Science ®Google Scholar
• Pezzanite, L., Bridges, D. A., Neary, D. M., & Hutchens, T. (2019). Breeding soundness examination of rams and bucks. Purdue Extension, 2, 1–4. https://www.scribd.com/document/513956709/as-599-w
   Google Scholar
• Rege, J. E. O., Toe, F., Anindo, S., Tembely, D., Baker, R. L., Baker, R. L., & Lahlou-Kassi, A. (2000). Reproductive characteristics of Ethiopian highland sheep II. Genetic parameters of semen characteristics and their relationships with testicular measurements in ram lambs. Small Ruminant Research: The Journal of the International Goat Association, 37(3), 173–187. https://doi.org/10.1016/s0921-4488(00)00140-1
   PubMed Web of Science ®Google Scholar
• Rekik, M. (2016). Rams ’ breeding soundness evaluation.
   Google Scholar
• Salhab, S. A., Zarkawi, M., Wardeh, M. F., Al-Masri, M. R., & Kassem, R. (2003). Characterization and evaluation of semen in growing awassi ram lambs. Tropical Animal Health and Production, 35(5), 455–463. https://doi.org/10.1023/A:1025823730733
   PubMed Web of Science ®Google Scholar
• Siddiqui, M. A. R., Bhattacharjee, J., Das, Z. C., Islam, M. M., Islam, M. A., Haque, M. A., Parrish, J. J., & Shamsuddin, M. (2008). Crossbred bull selection for bigger scrotum and shorter age at puberty with potentials for better quality semen. Reproduction in Domestic Animals, 43, 74–79. https://doi.org/10.1111/j.1439-0531.2007.00857.x
   PubMed Web of Science ®Google Scholar
• Söderquist, L., & Hultén, F. (2006). Normal values for the scrotal circumference in rams of Gotlandic breed. Reproduction in Domestic Animals, 41(1), 61–62. https://doi.org/10.1111/j.1439-0531.2006.00608.x
   PubMed Web of Science ®Google Scholar
• Van Metre, D. C., Rao, S., Kimberling, C. V., & Morley, P. S. (2012). Factors associated with failure in breeding soundness examination of Western USA rams. Preventive Veterinary Medicine, 105(1–2), 118–126. https://doi.org/10.1016/j.prevetmed.2012.02.002
   PubMed Web of Science ®Google Scholar
• Yin, H., Fang, L., Qin, C., & Zhang, S. (2019). Estimation of the genetic parameters for semen traits in Chinese Holstein bulls. BMC Genetics, 20(1), 1–5. https://doi.org/10.1186/s12863-019-0752-x
   PubMedGoogle Scholar