饲粮代谢能水平对1~3周龄四川白鹅生长性能和血清生化指标的影响

李琴; 赵献芝; 刘万红; 何德超; 彭祥伟

doi:10.3969/j.issn.1006-267x.2016.10.009

动物营养学报 >

2016 , Vol. 28 >Issue 10: 3076 - 3083

DOI: https://doi.org/10.3969/j.issn.1006-267x.2016.10.009

禽营养 Poultry Nutrition

饲粮代谢能水平对1~3周龄四川白鹅生长性能和血清生化指标的影响

李琴 ,
赵献芝 ,
刘万红 ,
何德超 ,
彭祥伟

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重庆市畜牧科学院, 重庆 402460

收稿日期: 2016-04-07

网络出版日期: 2016-10-17

基金资助

国家现代农业（水禽）产业技术体系建设专项资金（CARS-43-15）

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Effects of Dietary Metabolizable Energy Level on Growth Performance and Serum Biochemical Indices of Sichuan White Geese Aged from 1 to 3 Weeks

LI Qin ,
ZHAO Xianzhi ,
LIU Wanhong ,
HE Dechao ,
PENG Xiangwei

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Chongqing Academy of Animal Science, Chongqing 402460, China

Received date: 2016-04-07

Online published: 2016-10-17

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摘要

本试验旨在研究饲粮代谢能（ME）水平对1~3周龄四川白鹅生长性能和血清生化指标的影响。选择780只体重相近、健康的3日龄四川白鹅，随机分成5组，每组6个重复，每个重复26只。采用单因素试验设计，设5个饲粮ME水平：12.86、12.13、11.43、10.73和10.00 MJ/kg，饲粮粗蛋白质水平均为20%。试验期为18 d。结果表明：1）饲粮ME水平10.00 MJ/kg组平均日采食量和料重比极显著高于其他各组（P<0.01），饲粮ME水平12.13和10.00 MJ/kg组末重、平均日增重均显著高于饲粮ME水平10.73 MJ/kg组（P<0.05）。2）饲粮ME水平12.86 MJ/kg组的饲料成本最高，饲粮ME水平10.73 MJ/kg组的饲料成本最低。3）饲粮ME水平12.86 MJ/kg组血清总胆固醇含量显著或极显著低于其他各组（P<0.05或P<0.01），饲粮ME水平10.73、10.00 MJ/kg组血清低密度脂蛋白含量极显著低于其他各组（P<0.01），饲粮ME水平12.86 MJ/kg组血清谷草转氨酶、碱性磷酸酶活性均极显著高于其他各组（P<0.01）。回归分析表明，以低料重比、高平均日增重为衡量指标，推荐1~3周龄四川白鹅饲粮ME水平为12.22 MJ/kg；以高平均日增重、低饲料成本为衡量指标，推荐饲粮ME水平为10.75 MJ/kg。

关键词： 育雏期; 四川白鹅; 代谢能; 生长性能; 饲料成本

本文引用格式

李琴 , 赵献芝 , 刘万红 , 何德超 , 彭祥伟 . 饲粮代谢能水平对1~3周龄四川白鹅生长性能和血清生化指标的影响[J]. 动物营养学报, 2016 , 28(10) : 3076 -3083 . DOI: 10.3969/j.issn.1006-267x.2016.10.009

Abstract

This experiment was conducted to study the effects of dietary metabolizable energy (ME) level on growth performance and serum biochemical indices of Sichuan white geese aged from 1 to 3 weeks. Seven hundred and eighty healthy 3-day-old Sichuan white geese with similar body weight were randomly allocated into 5 groups with 6 replicates in each group and 26 geese in each replicate. Using in a single factorial design trial, the geese were fed 5 experimental diets with 5 dietary ME levels (12.86, 12.13 11.43, 10.73 and 10.00 MJ/kg), and dietary crude protein level was 20% in every group. The experiment lasted for 18 days. The results showed as follows:1) the average daily feed intake and ratio of feed to gain of dietary ME level 10.00 MJ/kg group were significantly higher than those of other groups (P<0.01), the final weight and average daily gain of dietary ME level 12.13 and 10.00 MJ/kg groups were significantly higher than those of dietary ME level 10.73 MJ/kg group (P<0.05). 2) The feed cost of dietary ME level 12.86 MJ/kg group was the highest, while the feed cost of dietary ME level 10.73 MJ/kg group was the lowest. 3) The serum total cholesterol content of dietary ME level 12.86 MJ/kg group was significantly lower than that of other groups (P<0.05 or P<0.01), the serum low density lipoprotein content of dietary ME level 10.73 and 10.00 MJ/kg groups was significantly lower than that of other groups (P<0.01), and the activities of glutamic oxalacetic transaminase and alkaline phosphatase in serum of dietary ME level 12.86 MJ/kg group were significantly higher than those of other groups (P<0.01). In conclusion, the regression analysis shows that selected low ratio of feed to gain and high average daily gain as indicators, the recommended dietary ME level of Sichuan white geese is 12.22 MJ/kg; selected high average daily gain and low feed cost as indicators, the recommended dietary ME level is 10.75 MJ/kg.

Key words： brooding period; Sichuan white geese; metabolizable energy; growth performance; feed cost

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