- Atashi, H., Zamiri, M., J. Sayyadnejad, M. B. & Akhlaghi, A. (2012). Trends in the reproductive performance of Holstein dairy cows in Iran. Tropical animal health and production, 44(8), 2001-2006.
- Britt, J. H. (1985). Enhanced Reproduction and Its Economic Implications1. Journal of Dairy Science, 68(6),1585-1592.
- Caraviello, D., Weigel, K., Craven, M., Gianola, D., Cook, N., Nordlund, K., Fricke, P. & Wiltbank, M. (2006). Analysis of reproductive performance of lactating cows on large dairy farms using machine learning algorithms. Journal of Dairy Science, 89(12),4703-4722.
- Cassandro, M. (2014). Genetic aspects of fertility traits in dairy cattle–review. Acta Agraria Kaposváriensis, 18,11-23.
- Darwash, A., Lamming, G. & Woolliams. J. (1999). The potential for identifying heritable endocrine parameters associated with fertility in post-partum dairy cows. Animal Science, 68(2), 333-347.
- Dashti, H., Riasi, A., Edris, M. A., Ghorbani, G. R. & Omidi-Mirzaei, H. (2016). Effects of summer and winter temperature-humidity index on performance of some reproductive traits of high producing dairy cows. Iranian Journal of Animal Science, 47(2),321- 327. (in Farsi)
- Denis-Robichaud, J., Cerri, R. Jones-Bitton, A. & LeBlanc, S. (2016). Survey of reproduction management on Canadian dairy farms. Journal of dairy science, 99(11),9339-9351.
- Denis-Robichaud, J., Cerri, R., Jones-Bitton, A. & LeBlanc, S. (2018). Dairy producers' attitudes toward reproductive management and performance on Canadian dairy farms. Journal of dairy science, 101(1),850-860.
- Fricke, P. (2002). Scanning the future-Ultrasonography as a reproductive management tool for dairy cattle. Journal of Dairy Science, 85(8), 1918-1926.
- Gorji, R., Ghorbani, G. R., Rahmani, H. R. & Sadeghi-Sefidmazgi, A. (2015). Phenotypic analysis of fertility in Holstein dairy cattle of Iran. Journal of Ruminant Research, 3(2), 149-162. (in Farsi)
- Hassanvand-Javanmard, S., Sadeghi-Sefidmazgi, A., Hassanvand, S., Dadpasand, M., Alikhani, M. & Amer, P. (2016). Genetic and phenotypic analyses for profitability in Iranian Holsteins. Canadian journal of animal science, 97(3), 365-371.
- Hemati, M., Zare-Shahne, A. & Vaez-Torshizi, R. (2006). Investigation of some factors affecting reproductive performance in Holstein cows in Tehran province. Iranian Journal of Agricultuer Science, 37(5), 831-837. (in Farsi)
- Heravi Moussavi, A. R., Danesh Mesgaran, M. & Vafa, T. (2013). Factors affecting reproductive performance of Holstein Dairy Cows. Journal. of Ruminant Research, 1(2), 75-92. (in Farsi)
- Jorjani, H. (2006). International genetic evaluation for female fertility traits. Interbull Bulletin, (34), 57-57.
- Lucy, M. (2001). Reproductive loss in high-producing dairy cattle: where will it end? Journal of dairy science, 84(6), 1277-1293.
- Mahnnai, A. & Sadeghi-Sefidmazg, A. (2018). An investigation of the causes and the financial losses due to early removal in Holstein farms of Isfahan province. Iranian Journal of Animal Science, 49(2). (in Farsi)
- Neves, R. & LeBlanc, S. (2015). Reproductive management practices and performance of Canadian dairy herds using automated activity-monitoring systems. Journal of Dairy Science, 98(4), 2801-2811.
- Pfeiffer, J., Gandorfer, M. & Ettema, J. (2019). Evaluation of activity meters for estrus detection: A stochastic bioeconomic modeling approach. Journal of Dairy Science, 103, 492-506.
- Pieterse, M., Szenci, O., Willemse, A., Bajcsy, C., Dieleman, S. & Taverne, M. (1990). Early pregnancy diagnosis in cattle by means of linear-array real-time ultrasound scanning of the uterus and a qualitative and quantitative milk progesterone test. Theriogenology, 33(3), 697-707.
- Sadeghi-Sefidmazgi, A. & Rayatdoost-Baghal, F. (2014). Effects of herd management practices on somatic cell counts in an arid climate. Revista Brasileira de Zootecnia, 43(9), 499-504.
- VanRaden, P., Sanders, A., Tooker, M., Miller, R., Norman, H., Kuhn, M. & Wiggans, G. (2004). Development of a national genetic evaluation for cow fertility. Journal of dairy science, 87(7), 2285-2292.
|