Author:
Dastranj Mohammad-Zaman,Gholizadeh Mohsen,Hafezian Hasan
Subject
Psychiatry and Mental health
Reference19 articles.
1. Dematawewa C.M.B., and Berger P.J., Genetic and phenotypic parameters for 305-day yield, fertility, and survival in Holsteins, J. Dairy Sci., 1998, vol. 81, no. 10, pp. 2700–2709.
2. Weigel, K.A., and Rekaya, R., Genetic parameters for reproductive traits of Holstein cattle in California and Minnesota. J. Dairy Sci., 2000. vol. 83. no. 5. P. 1072–80.
3. Daniels, K.M., Dairy heifer mammary development, in Proceedings of the 19th Annual Tri-State Dairy Nutrition Conference, Fort Wayne: Purdue Univ., 2010, pp. 69–76.
4. Pirlo, G., Miglior, F., and Speroni, M., Effect of age at first calving on production traits and on difference between milk yield returns and rearing costs in Italian Holsteins, J. Dairy Sci., 2000, vol. 83, no. 3, pp. 603–608.
5. Hoffman P.C., Brehm N.M., Price S.G., and Prill-Adams A., Effect of accelerated postpubertal growth and early calving on lactation performance of primiparous Holstein heifers, J. Dairy Sci., 1996, vol. 79, no. 11, pp. 2024–2031.