饲粮中添加单月桂酸甘油酯对肉鸡生长性能、消化能力及鸡肉营养品质的影响  

Effect of Dietary Supplementation with Glycerol Monolaurate on Growth Performance, Digestive Ability and Chicken Nutritional Components of Broilers

作　　者：刘梦芸[1] 陈晓倩 赵豪斌 冯凤琴[1] LIU Mengyun;CHEN Xiaoqian;ZHAO Haobin;FENG Fengqin(Fuli Institute of Food Science,National Engineering Laboratory of Intelligent Food Technology and Equipment,Key Laboratory for Agro-products Postharvest Handling of Ministry of Agriculture,Key Laboratory for Agro-products Nutritional Evaluation of Ministry of Agriculture,Zhejiang Key Laboratory;Hangzhou Kangyuan Food Science&Technology Ltd.,Hangzhou 310003,China)

机构地区：[1]浙江大学生物系统工程与食品科学学院,馥莉食品研究院,智能食品加工技术与装备国家(地方)联合实验室,农业部农产品产后处理重点实验室,农业部农产品营养功能评价实验室,浙江省农产品加工技术研究重点实验室,浙江杭州310058 [2]杭州康源食品科技有限公司,浙江杭州310003

出　　处：《食品科学》2018年第15期67-71,共5页Food Science

基　　金：浙江大学新农村发展研究院农业技术推广专项资金项目(2017006);杭州市产学研合作项目(14-516102-012)。

摘　　要：为研究饲粮中添加单月桂酸甘油酯(glycerol monolaurate,GML)对肉鸡生长性能、消化能力及鸡肉营养品质的影响,以1日龄三黄鸡为研究对象,在饲粮中添加150 mg/kg GML饲喂49 d后分析肉鸡生长性能、肠道结构、营养成分表观代谢率及鸡肉中营养成分含量的变化。结果表明:与对照组相比,150 mg/kg GML饲喂可以显著提高肉鸡22～49 d的饲料转化率;显著提高十二指肠、空肠、回肠的肠段长度,空肠的绒毛长度和十二指肠、空肠的绒隐比(绒毛长度/隐窝深度),并显著提高肉鸡粗蛋白、铜和钙的表观代谢率;显著提高鸡肉中C18:2、C20:4、必需脂肪酸、多不饱和脂肪酸的比例,以及粗蛋白、赖氨酸、天冬氨酸、谷氨酸、酪氨酸、鲜味氨基酸和总氨基酸的含量。总体来看,GML饲喂对提高肉鸡生长性能、消化能力和鸡肉营养品质具有积极的作用。This study was designed to determine the effect of dietary supplementation with glycerol monolaurate(GML)on the growth perfo4rmance,digestive ability and chicken nutritional compounds of broilers.For this purpose,1-day-old broilers were fed on a basal diet with or without 150 mg/kg GML for 49 d and the growth performance,intestinal structure,nutrient apparent metabolic rate of broilers and chicken nutritional compounds were measured during this period.The results showed that compared with the control,the GML group could significantly improve feed conversion rate from day 22 to day 49,increased the length of duodenum,jejunum and ileum,villus length in the jejunum and villus height to crypt depth ratio in the duodenum and ileum,and elevate the apparent metabolic rate of crude protein,cuprum and calcium.In addition,dietary GML supplementation significantly increased the relative levels of C18:2 and C20:4,essential fatty acids and polyunsaturated fatty acids in chicken,as well as the contents of crude protein,lysine,aspartate,glutamate,tyrosine,flavor amino acids and total amino acids.In conclusion,dietary GML supplementation could improve the growth performance,digestive ability and meat nutritional compounds of broilers effectively.

关 键 词：单月桂酸甘油酯 肉鸡 生长性能 消化能力 营养品质 

分 类 号：S831.5[农业科学—畜牧学]