1. Reproductive management of lactating dairy cows using synchronization of ovulation;Pursley;J. Dairy Sci.,1997
2. Reproductive management of dairy cows in high milk-producing herds;Stevenson;J. Dairy Sci.,2001
3. Santos JEP, Juchem SO, Cerri RLA, Galvão KN, Chebel R, Thatcher WW, et al. Effect of bST and reproductive management on reproductive and lactational performance of Holstein cows. J Dairy Sci 2003;86, in press.
4. Effects of presynchronization and bovine somatotropin on pregnancy rates to a timed artificial insemination protocol in lactating dairy cows;Moreira;J. Dairy Sci.,2001
5. Thatcher WW, Guzeloglu A, Meikle A, Kamimura S, Bilby T, Kowalski AA, Badinga L, Pershing R, Bartolome J, Santos JEP. Regulation of embryo survival in cattle. Reproduction 2003;(Suppl. 61):253–66.