Glycerol as a Feed Ingredient in Dairy Rations

摘要: The term ‘bio-diesel’ is used to describe the methyl or sometimes ethyl esters produced from oilseed crops. Every 10 gallons of biodiesel generates about 7.6 lb crude glycerol. According National Biodiesel Board, production in U.S. over next decade expected grow (http:// www.biodiesel.org/). Current annual 395 million and planned expansions industry are drive that capacity more than 1.1 billion within 18 months annually, generating 800 pounds Corresponding price projections suggest glycerol could be priced competitively with grains as a source energy for livestock. value this regard may further amplified increasing diversion corn other ethanol production. Although there supporting evidence use transition cows, little information examines macro-ingredient rations lactating dairy cows. This review will explore some attributes issues pertinent feed cows highlight results recent research study at Purdue University where was examined replacement grain.