Journal article

Reproductive performance of lactating dairy cows and heifers resynchronized for a second insemination with an intravaginal progesterone-releasing device for 7 or 8 d with estradiol benzoate injected at the time of device insertion and 24 h after removal

J Cavalieri, G Hepworth, VM Smart, M Ryan, KL Macmillan

Theriogenology | ELSEVIER SCIENCE INC | Published : 2007