猪与禽营养 Swine and poultry nutrition

饲粮粗蛋白质水平对伊犁鹅生产性能、孵化性能及血清生化指标的影响

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  • 1. 新疆农业大学动物科学学院, 乌鲁木齐 830052;
    2. 浙江省农科院畜牧兽医研究所, 杭州 310021
赵晓钰(1995-),女,山西大同人,硕士研究生,研究方向为动物生产学。E-mail:729115360@qq.com

收稿日期: 2018-09-25

  网络出版日期: 2019-04-16

基金资助

新疆维吾尔自治区高校科研计划项目(XJEDU2017A003);新疆农业大学研究生创新项目(XJAUGRI2017008)

Effects of Dietary Crude Protein Level on Performance, Hatching Performance and Serum Biochemcial Indexes of Yili Geese

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  • 1. College of Animal Science, Xinjiang Agricultural University, Urumqi 830052, China;
    2. Institute of Animal Husbandry and Veterinary Science, Zhejiang Academy of Agricultural Science, Hangzhou 310021, China

Received date: 2018-09-25

  Online published: 2019-04-16

摘要

本试验旨在研究饲粮粗蛋白质水平对伊犁鹅生产性能、孵化性能及血清生化指标的影响,探索伊犁鹅产蛋期饲粮粗蛋白质需要量。试验采用单因素试验设计,选取体重相近、健康状况良好、处于产蛋期的3岁伊犁鹅200只,随机分为4组,每组10个重复,每个重复5只(公母比例1:4)。对照组饲喂基础饲粮,粗蛋白质水平为11.20%,试验组饲喂粗蛋白质水平分别为13.86%、15.20%、16.48%的试验饲粮,其余营养水平基本一致。饲养试验预试期7 d,正试期63 d。结果表明:1)产蛋期伊犁鹅的平均日采食量、平均蛋重及合格蛋率在各组之间无显著差异(P>0.05);与对照组相比,13.86%、15.20%及16.48%粗蛋白质组显著或极显著改善了伊犁鹅的产蛋率、日产蛋量及料蛋比(P<0.05或P<0.01)。2)与对照组相比,15.20%及16.48%粗蛋白质组显著或极显著提高了伊犁鹅种蛋的受精率及受精蛋孵化率(P<0.05或P<0.01)。各组间伊犁鹅的健雏率无显著差异(P>0.05)。3)与对照组相比,13.86%粗蛋白质组血清谷草转氨酶及谷丙转氨酶活性显著或极显著升高(P<0.05或P<0.01);15.20%粗蛋白质组的血清总蛋白、球蛋白含量和谷草转氨酶、谷丙转氨酶及碱性磷酸酶活性显著或极显著升高(P<0.05或P<0.01);16.48%粗蛋白质组血清总蛋白、白蛋白、尿酸含量及谷丙转氨酶、碱性磷酸酶活性显著提高(P<0.05)。综上所述,在本试验条件下,当饲粮粗蛋白质水平为15.20%时,产蛋期伊犁鹅可获得最佳的生产性能、孵化性能及血清生化指标。

本文引用格式

赵晓钰, 吴盈萍, 彭箫, 王俊花, 段玉青, 李志鹏, 李海英, 卢立志 . 饲粮粗蛋白质水平对伊犁鹅生产性能、孵化性能及血清生化指标的影响[J]. 动物营养学报, 2019 , 31(4) : 1630 -1636 . DOI: 10.3969/j.issn.1006-267x.2019.04.020

Abstract

This experiment was conducted to study the effects of dietary crude protein level on performance, hatching performance and serum biochemical indexes of Yili geese, and to determine the requirement of crude protein for Yili geese during laying period. A total of 200 Yili geese aged 3 years old with similar body weight and good health were selected, and were randomly divided into 4 groups with 10 replications and 5 layers per replication.The crude protein level of the control diet was 11.20%. The experimental groups fed the test diets with crude protein levels of 13.86%, 15.20% and 16.48%, respectively. The nutrient levels of other diets remained the same. The pre-experiment lasted for 7 days, and the experiment lasted for 63 d. The results showed as follows:1) there were no significant differences in average daily feed intake (ADFI), average egg weight and qualified rate of egg among the groups of Yili geese during laying period (P>0.05). Compared with the control group, the laying rate, daily egg yield and feed to egg ratio of 13.86%, 15.20% and 16.48% dietary crude protein groups were significantly or extremely significantly increased (P<0.05 or P<0.01), respectively. 2) Compared with the control group, the fertilization rate and hatchability rate of fertile eggs of 15.20% and 16.48% dietary crude protein groups were significantly or extremely significantly increased (P<0.05 or P<0.01), respectively. And there was no significant difference in healthy geese of rate among groups (P>0.05). 3) Compared with the control group, the activities of serum aspartate aminotransferase and alanine aminotransferase of 13.86% crude protein group were significantly or extremely significantly increased (P<0.05 or P<0.01). The contents of serum total protein and globulin, also the activities of aspartate aminotransferase, alanine aminotransferase and alkaline phosphatase of 15.20% dietary crude protein group were significantly or extremely significantly increased (P<0.05 or P<0.01). The contents of serum total protein, albumin and uric acid, also the activities of alanine aminotransferase and alkaline phosphatase of 16.48% dietary crude protein group were significantly increased (P<0.05). In conclusion, under the conditions of this experiment, it is indicated that the appropriate level of dietary crude protein is 15.20%, which can get better performance, hatching performance and serum biochemical indexes of Yili geese during laying period.

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