研究简报 Short communications

复合酸化剂和微生态制剂对蛋鸡生产性能、血液生化指标、抗氧化指标及沙门氏菌感染的影响

  • 周岭 ,
  • 丁雪梅 ,
  • 罗玉衡 ,
  • 王建萍 ,
  • 白世平 ,
  • 孟怀旺 ,
  • 张克英
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  • 1. 四川农业大学动物营养研究所, 动物抗病营养教育部重点实验室, 雅安 625014;
    2. 重庆优宝生物技术股份有限公司, 重庆 400711

收稿日期: 2016-02-06

  网络出版日期: 2016-08-17

基金资助

科技部及四川省科技厅科技支撑项目(2014BAD13B04,2014NZ0002)

Effects of Compound Acidifier and Probiotics on Performance, Blood Biochemical Indices, Antioxidant Indices and Salmonella Infection of Laying Hens

  • ZHOU Ling ,
  • DING Xuemei ,
  • LUO Yuheng ,
  • WANG Jianping ,
  • BAI Shiping ,
  • MENG Huaiwang ,
  • ZHANG Keying
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  • 1. Animal Nutrition Institute, Key Laboratory for Animal Disease-Resistance Nutrition of China Ministry of Education, Sichuan Agriculture University, Ya'an 625014, China;
    2. Chongqing Unibio Biotechnology Co., Ltd., Chongqing 400711, China

Received date: 2016-02-06

  Online published: 2016-08-17

摘要

本试验旨在研究复合酸化剂和微生态制剂对蛋鸡生产性能、血液生化指标、抗氧化指标及沙门氏菌感染的影响。将600只50周龄健康蛋鸡按产蛋率无差异原则随机分为4个组,每组10个重复,每个重复15只鸡。对照组饲喂基础饲粮,微生态制剂组在基础饲粮中添加300 g/t微生态制剂,复合酸化剂组隔日在饮水中添加0.1%复合酸化剂,微生态制剂与复合酸化剂联用组在基础饲粮中添加300 g/t微生态制剂并隔日在饮水中添加0.1%复合酸化剂。饲养试验期为16周,然后从对照组选择60只鸡,按照上述4个处理分为4个组,以1.3×108 CFU沙门氏菌进行攻毒,攻毒试验期为13 d。结果表明:复合酸化剂和微生态制剂对蛋鸡生产性能、血液血红蛋白含量、生殖器官超氧化物歧化酶活性和总抗氧化能力无显著影响(P>0.05)。复合酸化剂、微生态制剂及两者联用均能显著降低蛋鸡脏蛋率(P<0.05)。微生态制剂组蛋鸡血液白细胞数显著低于对照组(P<0.05),免疫球蛋白G含量较对照组有提高的趋势(P=0.061)。复合酸化剂组和微生态制剂与复合酸化剂联用组蛋鸡输卵管峡部丙二醛含量显著低于对照组(P<0.05)。与对照组相比,复合酸化剂组沙门氏菌攻毒第7天和第14天蛋鸡输卵管沙门氏菌阳性率显著降低(P<0.05),但微生态制剂组和微生态制剂与复合酸化剂联用组的沙门氏菌阳性率没有显著变化(P>0.05)。综上,本试验所用复合酸化剂和微生态制剂可从降低脏蛋率、提高抗氧化能力及免疫力上改善蛋鸡健康,从而降低机体和鸡蛋的沙门氏菌感染。

本文引用格式

周岭 , 丁雪梅 , 罗玉衡 , 王建萍 , 白世平 , 孟怀旺 , 张克英 . 复合酸化剂和微生态制剂对蛋鸡生产性能、血液生化指标、抗氧化指标及沙门氏菌感染的影响[J]. 动物营养学报, 2016 , 28(8) : 2571 -2580 . DOI: 10.3969/j.issn.1006-267x.2016.08.030

Abstract

This study evaluated the effects of compound acidifier and probiotics on performance, blood biochemical indices, antioxidant indices and Salmonella infection of laying hens. A total of 600 50-week-old healthy laying hens with similar laying rate were randomly assigned to 4 groups that included 10 pens of 15 birds each. The hens in control group were fed a basal diet, and in the other 3 experimental groups were fed basal diets supplemented with 300 g/t probiotics, 0.1% compound acidifier in the drinking water every other day, and 300 g/t probiotics+0.1% compound acidifier in the drinking water every other day. After the feeding of 16 weeks, a total of 60 hens from control group were selected to 4 treatments as the same above for a 13-day long Salmonella challenge (1.3×108 CFU) trial. The results showed as follows:no significant effects were observed on performance, hemoglobin content, the superoxide dismutase activity and total antioxidant capacity of reproductive organ by compound acidifier and probiotics (P>0.05). Dirty egg percent was significantly decreased by compound acidifier, probiotics and combination of both (P<0.05). Compared with the control group, white blood cell count in probiotics group was significantly decreased (P<0.05), and the immunoglobulin G content in probiotics group tended to be increased (P=0.061). The malondialdehyde (MDA) content in oviduct isthmus of hens in compound acidifier group and combination group was significantly decreased compared with the control group (P<0.05). The Salmonella positive ratio in oviduct of hens in compound acidifier group was significantly decreased at the 7th and 14th day (P<0.05), but that in probiotics group and combination group was not significantly different compared with control group (P>0.05). In conclusion, compound acidifier and probiotics can improve health status of laying hens through decreasing the dirty egg percent and increasing antioxidant capacity and immunity of them, thus reducing the Salmonella infection of body and eggs.

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