Beever. E, David (tháng 12 năm 2006). “The impact of controlled nutrition during the dry period on dairy cow health, fertility and performance”. Animal Reproduction Science. 96 (3–4): 212–226. doi:10.1016/j.anireprosci.2006.08.002. PMID16949220.
Beever. E, David (tháng 12 năm 2006). “The impact of controlled nutrition during the dry period on dairy cow health, fertility and performance”. Animal Reproduction Science. 96 (3–4): 212–226. doi:10.1016/j.anireprosci.2006.08.002. PMID16949220.