饲粮中添加杜仲叶粉对肥育猪生长和胴体肉质影响的研究

Study on the Influence of the Pig's Growth and the Quality of Carcass Meat by Adding the Powder of Eucommia Ulmoides Leaves in Daily Diets

研究测定了杜仲叶粉营养成分含量并以3%和4%杜仲叶粉替代饲粮中相同量的小麦次粉对长大二元肥育猪生长性能和胴体肉质进行测定。结果表明:杜仲叶粉中含粗蛋白质10.46%,粗脂肪4.10%,高于一般谷物籽实,维生素C和核黄素含量丰富。从杜仲叶粉中分离和提取出17种氨基酸,其中谷氨酸、天门冬氨酸和亮氨酸含量较高。饲粮中添加3%和4%杜仲叶粉对肥育猪的日增重无促进作用,但3%杜仲叶粉组对提高屠宰率和改善肉质方面效果明显,能明显增大眼肌面积,降低滴水损失,提高肌肉嫩度,增加干物质和肌内脂肪含量。3%优于4%杜仲叶粉添加量。

Study on the amount of nutrition contents in the powder of eucommia ulmoides leaves. Growth performance and the quality of carcass meat of dual hybrid between American Landrace and Large Yorkshire were determined on the condition that using the 3% and 4% of the powder of eucommia ulmoides leaves to replace the same amount of side production of the wheat in the daily diets.The results show that the percent of crude protein in the powder of eucommia ulmoides leaves is 10.46%, the percent of crude fat is 4.10%, two percents are higher than the corresponding percents in the average grain seeds. Vitamin C and riboflavin are rich in the powder of eucommia ulmoides leaves. 17 kinds of amino acids were isolated and extracted from the powder of eucommia ulmoides leaves, among them the amount of glutamic acid, aspartic acid and leucine are high. There is no improvement on the pig＇s daily gain when adding the 3% and 4% of the powder of eucommia ulmoides leaves to the daily diets, the group of 3% improve the slaughter rate and the meat quality significantly, such as increasing the eye muscle area significantly, reducing the water loss, improving muscle tenderness, increasing the dry matter and intramuscular fat content.The adding percent of the powder of eucommia ulmoides leaves 3%is better than 4% percent.