Continuously Changing Light-Dark Phase Decreases Milk Yield, Fat, Protein and Lactose in Dairy Cows

T Casey^*, J Crodian, SS Donkin and K Plaut

Department of Animal Science, Purdue University, West Lafayette, IN 47907, USA

^*Corresponding Author: T Casey, Research Assistant Professor, Department of Animal Sciences, BIOCHEM 326, 175 South University, Purdue University, West Lafeyette, IN 47907, USA, Tel: 802-373-1319 Email: