[Objective] The study aimed to analyze the physical and chemical traits and reveal the internal properties of meat quality in sheep.[Method] The physical and chemical traits such as the muscle water loss rate,intramuscular fat content,water loss rate,water,the rate of cooked meat,muscle fiber density and diameter in the back of the longest muscle in 3 sheep varieties of Dekesaer sheep,China Merino-the Fine-Wool Sheep of Xinjiang military reclamation variety and Lake sheep were determined and compared.[Resul...