1. Abe, H., Y. Masuda and M. Suzuki. 2009. Relationships between reproductive traits of heifers and cows and yield traits for Holsteins in Japan. Journal of Dairy Science, 92(8): 4055-4062. [
DOI:10.3168/jds.2008-1896]
2. Ben Zaabza, H., A. Ben Gara, H. Hammami, B. Jemmali, M.A. Ferchichi and B. Rekik. 2016. Genetic parameters of reproductive traits in Tunisian Holsteins. Archives Animal Breeding, 59(2): 209-213. [
DOI:10.5194/aab-59-209-2016]
3. Biffani, S., R. Canavesi and A.B. Samore. 2005. Estimates of genetic parameters for fertility traits of Italian Holstein-Friesian cattle. Stocarstvo, 59(2): 145-153.
4. Borenstein, S. 2005. The long-run efficiency of real-time electricity pricing. The Energy Journal, 26(3). [
DOI:10.5547/ISSN0195-6574-EJ-Vol26-No3-5]
5. Brzáková, M., J. Čítek, A. Svitáková, Z. Veselá and L. Vostrý. 2020. Genetic parameters for age at first calving and first calving interval of beef cattle. Animals, 10(11): 2122. [
DOI:10.3390/ani10112122]
6. Cavani, L., D.A. Garcia, L.O.D. Carreño, R.K. Ono, M.P. Pires, M.M. Farah and R. Fonseca. 2015. Estimates of genetic parameters for reproductive traits in Brahman cattle breed. Journal of Animal Science, 93(7): 3287-3291. [
DOI:10.2527/jas.2015-8970]
7. Das, A., G. Miah, M.D. Gupta and K.I. Khan. 2013. Genetic parameters of Holstein crossbred on commercial dairy farms in Chittagong, Bangladesh. Indian Journal of Animal Research, 47(4): 327-330.
8. Dolecheck, K.A., A. García-Guerra and L.E. Moraes. 2019. Quantifying the effects of mastitis on the reproductive performance of dairy cows: A meta-analysis. Journal of Dairy Science, 102(9): 8454-8477. [
DOI:10.3168/jds.2018-15127]
9. Dillon, P., D.P. Berry, R.D. Evans, F. Buckley and B. Horan. 2006. Consequences of genetic selection for increased milk production in European seasonal pasture based systems of milk production. Livestock Science, 99(2-3): 141-158. [
DOI:10.1016/j.livprodsci.2005.06.011]
10. Eghbalsaied, S. 2011. Estimation of genetic parameters for 13 female fertility indices in Holstein dairy cows. Tropical Animal Health and Production, 43(4): 811-816. [
DOI:10.1007/s11250-010-9767-z]
11. Eghbalsaied, S., M. Moradi-Shahrbabak and S.R. Miraei-Ashtiani. 2009. Comparison of progeny's production performance from internal and external Holstein bulls in different climatic conditions of Iran. Journal of Research in Agricultural Science, 5(1).
12. Ferreira, G. 2013. Reproductive performance of dairy farms in western Buenos Aires province, Argentina. Journal of Dairy Science, 96(12): 8075-8080. [
DOI:10.3168/jds.2013-6910]
13. Getahun, K., M. Tadesse and D. Hundie. 2020. Analysis of genetic parameters for reproductive traits in crossbred dairy cattle maintained at holetta agricultural research center. Asian Journal of Dairy and Food Research, 39(1): 10-16. [
DOI:10.18805/ajdfr.DR-146]
14. Ghiasi, H., A. Pakdel, A. Nejati-Javaremi, H. Mehrabani-Yeganeh, M. Honarvar, O. González-Recio and R. Alenda. 2011. Genetic variance components for female fertility in Iranian Holstein cows. Livestock Science, 139(3): 277-280. [
DOI:10.1016/j.livsci.2011.01.020]
15. González-Recio, O. and R. Alenda. 2005. Genetic parameters for female fertility traits and a fertility index in Spanish dairy cattle. Journal of Dairy Science, 88(9): 3282-3289. [
DOI:10.3168/jds.S0022-0302(05)73011-3]
16. Guo, G., X. Guo, Y. Wang, X. Zhang, S. Zhang, X. Li and Q. Zhang. 2014. Estimation of genetic parameters of fertility traits in Chinese Holstein cattle. Canadian Journal of Animal Science, 94(2): 281-285. [
DOI:10.4141/cjas2013-113]
17. Gouda, G.F., A.R. Shemeis and N.A. Shalaby. 2017. Possibilities of preventing deterioration in reproductive performance while improving milk production traits in Holstein Friesian cattle, via using restricted selection indexes. Journal of Animal and Poultry Production, 8(8): 237-241. [
DOI:10.21608/jappmu.2017.45900]
18. Habib, A., G. Gouda, A.R. Shemeis and M. El-Sayed. 2020. Expected impact of selection for milk yield on reproductive performance traits in Holstein Friesian cows under Egyptian conditions. Egyptian Journal of Animal Production, 57(1): 25-31. [
DOI:10.21608/ejap.2020.92771]
19. Haile, A. 2011. Breeding strategy to improve Ethiopian Boran cattle for meat and milk production. IPMS (Improving Productivity and Market Success) of Ethiopian Farmers Project Working Paper 26. Nairobi, Kenya: ILRI.
20. Hou, Y., P. Madsen, R. Labouriau, Y. Zhang, M.S. Lund and G. Su. 2009. Genetic analysis of days from calving to first insemination and days open in Danish Holsteins using different models and censoring scenarios. Journal of Dairy Science, 92(3): 1229-1239. [
DOI:10.3168/jds.2008-1556]
21. Islam, S.S., A.R. Ahmed, A. Ashraf and N. Khanam. 2004. Genetic and phenotypic parameters on reproductive traits of crossbred cattle in a selected farm of Bangladesh. Pakistan Journal of Biological Sciences, 7(7): 1269-1273. [
DOI:10.3923/pjbs.2004.1269.1273]
22. Jamrozik, J., J. Fatehi, G.J. Kistemaker and L.R. Schaeffer. 2005. Estimates of genetic parameters for Canadian Holstein female reproduction traits. Journal of Dairy Science, 88(6): 2199-2208. [
DOI:10.3168/jds.S0022-0302(05)72895-2]
23. Lopez, B.I., J.H. Son, K. Seo and D. Lim. 2019. Estimation of genetic parameters for reproductive traits in Hanwoo (Korean Cattle). Animals, 9(10): 715. [
DOI:10.3390/ani9100715]
24. Madad, M., N.G. Hossein-Zadeh and A.A. Shadparvar. 2013. Genetic and phenotypic parameters for productive traits in the first three lactations of Khuzestan buffaloes in Iran. Archives Animal Breeding, 56(1): 423-429. [
DOI:10.7482/0003-9438-56-041]
25. Mohammed, N. 2020. Meta-Analysis of Reproductive Performance of Indigenous Cattle: In Case of Ethiopia. Meta, 11(17).
26. Muir, B.L., J. Fatehi and L.R. Schaeffer. 2004. Genetic relationships between persistency and reproductive performance in first-lactation Canadian Holsteins. Journal of Dairy Science, 87(9): 3029-3037. [
DOI:10.3168/jds.S0022-0302(04)73435-9]
27. Nardone, A., B. Ronchi, N. Lacetera, M.S. Ranieri and U. Bernabucci. 2010. Effects of climate changes on animal production and sustainability of livestock systems. Livestock Science, 130(1-3): 57-69. [
DOI:10.1016/j.livsci.2010.02.011]
28. Niu, M., Y. Ying, P.A. Bartell and K.J. Harvatine. 2017. The effects of feeding rations that differ in fiber and fermentable starch within a day on milk production and the daily rhythm of feed intake and plasma hormones and metabolites in dairy cows. Journal of Dairy Science, 100(1): 187-198. [
DOI:10.3168/jds.2016-11129]
29. Olawumi, S.O. and A.E. Salako. 2010. Genetic parameters and factors affecting reproductive performance of white Fulani cattle in South western Nigeria. Global Veterinaria, 5(5): 255-258.
30. Oyama, K., T. Katsuta, K. Anada and F. Mukai. 2002. Heritability and repeatability estimates for reproductive traits of Japanese Black cows. Asian-Australasian Journal of Animal Sciences, 15(12): 1680-1685. [
DOI:10.5713/ajas.2002.1680]
31. Pszczola, M., I. Aguilar and I. Misztal. 2009. Trends for monthly changes in days open in Holsteins. Journal of Dairy Science, 92(9): 4689-4696. [
DOI:10.3168/jds.2008-1985]
32. Shalaby, N.A., E.Z.M. Oudah and Y. El-Sharkawy. 2016. Comparison between some prodactive and reproductive traits and genetic parameters in the first tree lactations in Egyptian buffaloes. Journal of Animal and Poultry Production, 7(3): 113-119. [
DOI:10.21608/jappmu.2016.48518]
33. Sun, C. and G. Su. 2010. Comparison on models for genetic evaluation of non-return rate and success in first insemination of the Danish Holstein cows. Livestock Science, 127(2-3): 205-210. [
DOI:10.1016/j.livsci.2009.09.015]
34. Tiezzi, F., C. Maltecca, M. Penasa, A. Cecchinato, Y.M. Chang and G. Bittante. 2011. Genetic analysis of fertility in the Italian Brown Swiss population using different models and trait definitions. Journal of Dairy Science, 94(12): 6162-6172. [
DOI:10.3168/jds.2011-4661]
35. Walsh, S.W., E.J. Williams and A.C.O. Evans. 2011. A review of the causes of poor fertility in high milk producing dairy cows. Animal Reproduction Science, 123(3-4): 127-138. [
DOI:10.1016/j.anireprosci.2010.12.001]
36. Watabe, Y., Y. Suzuki, S. Koike, S. Shimamoto and Y. Kobayashi. 2018. Cellulose acetate, a new candidate feed supplement for ruminant animals: In vitro evaluations. Journal of Dairy Science, 101(12): 10929-10938. [
DOI:10.3168/jds.2018-14969]
37. Yifat, D., W. Bahilibi and S. Desie. 2012. Reproductive performance of Boran cows at Tatesa cattle breeding center. Advances in Biological Research, 6(3): 101-105.
38. Zeleke, B., K. Kebede and B. Kumar. 2016. Estimation of genetic parameters for reproductive traits of Fogera and Holstein Friesian crossbred cattle at Metekel Ranch, Amhara region, Ethiopia. Online Journal of Animal Feed Research, 6: 90-95.