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Effect of adding a gonadotropin-releasing-hormone treatment at the beginning and a second prostaglandin F2α treatment at the end of an estradiol-based protocol for timed artificial insemination in lactating dairy cows during cool or hot seasons of the year.
Pereira MH, Wiltbank MC, Barbosa LF, Costa WM Jr, Carvalho MA, Vasconcelos JL. Pereira MH, et al. J Dairy Sci. 2015 Feb;98(2):947-59. doi: 10.3168/jds.2014-8523. Epub 2014 Nov 28. J Dairy Sci. 2015. PMID: 25434339 Free article. Clinical Trial.
95 results