Effects of monensin on beef cow reproduction

This study was designed to evaluate the effects of monensin with or without grain supplementation on reproduction of beef cows consuming bermudagrass hay. Monensin supplemented at 200 mg head-1 d-1, with or without grain supplementation, shortened the period from calving to conception and increased calving percentage in beef cows consuming bermudagrass hay. Key words: Monensin, beef cows, reproduction