动物营养学报2013，Vol.25Issue(4)：778-784,7.DOI:10.3969/j.issn.1006-267x.2013.04.015
饲粮添加胆碱对鹅生长性能、屠宰性能及养分表观利用率的影响
Effects of Choline on Growth Performance, Slaughter Performance and Nutrient Apparent Availability of Geese
摘要
Abstract
This experiment was conducted to study the effects of dietary choline level on growth performance, slaughter performance and nutrient apparent availability of geese. One hundred and eighty one-day-old Qingnonghui geese were selected and randomly divided into 6 groups with 3 replicates in each group and 10 geese in each replicate. Geese in the six groups were fed the corn-soybean basal diets supplemented with 0, 600, 1 200, 1 800, 2 400 and 3 000 mg/kg choline, respectively. The experiment lasted for 15 weeks. The results showed as follows: 1) the supplementation of 1 800 and 2 400 mg/kg choline significantly increased average daily weight gain of geese aged 1 to 4 weeks and 5 to 15 weeks (P <0.05 or P <0.01), significantly decreased the ratio of feed to gain (P <0. 05 or P <0. 01) , and reduced mortality rate. 2) The supplementation of 2 400 mg/kg choline significantly increased the percentage of eviscerated yield at 4 and 15 weeks of age (P <0. 05) , the supplementation of 1 800 mg/kg choline significantly increased dressing percentage at 15 weeks of age (P < 0. 05) , and significantly decreased the percentage of abdominal fat at 15 weeks of age (P <0. 05) , but there was no significant difference in the percentage of half-eviscerated yield at 4 and 15 weeks of age among the six groups (P>0.05). 3) The supplementation of 1 800 mg/kg choline significantly increased the apparent availability of calcium, phosphorus, neutral detergent fiber and acid detergent fiber (P <0.05 or P <0. 01), but had no significant difference in the apparent availability of dry matter, organic matter and crude protein among the six groups (P >0. 05). In conclusion, the supplementation of choline in diets for Qingnonghui geese is feasible, and the optimum supplemental level is 1 800 mg/kg.关键词
胆碱/鹅/生长性能/屠宰性能/养分表观利用率Key words
choline/ geese/ growth performance/ slaughter performance/ nutrient apparent availability分类
农业科技引用本文复制引用
张文旭,王宝维,葛文华,张名爱,李文立..饲粮添加胆碱对鹅生长性能、屠宰性能及养分表观利用率的影响[J].动物营养学报,2013,25(4):778-784,7.基金项目
国家水禽技术产业体系(CARS43-11) （CARS43-11）
青岛市科技计划项目(11-2-3-23-nsh) （11-2-3-23-nsh）
