... JOURNAL OF Veterinary ScienceJ. Vet. Sci. (2005), 6(2), 165–167Calcium metabolism in cows receiving an intramuscular injection of 1,25-dihydroxyvitamin D3 combined with prostaglandin F2α ... Parturition can be induced todairy cows using prostaglandin F (PGF ) within 2 or 3days after injection [6]. In this short communication, cowsreceived a single intramuscular injection of 1,25(OH)Dand ... Veterinary Clinical Medicine, Faculty of Agriculture, Iwate University, Morioka, Iwate 020-8550, JapanTo determine the effect of exogenous 1,25-dihydroxyvitaminD [1,25(OH) D ] combined with induced...