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低剂量玉米赤霉烯酮和吸附剂对育成期蛋鸡生长性能、血清生化指标和抗氧化指标的影响

  • 伍宇超 ,
  • 杨维仁 ,
  • 杨在宾 ,
  • 姜淑贞 ,
  • 张桂国 ,
  • 姜新超
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  • 山东农业大学动物科技学院, 泰安 271018

收稿日期: 2015-11-06

  网络出版日期: 2016-04-11

Effects of Low Dose Zearalenone and Adsorbent on Growth Performance, Serum Biochemical and Antioxidant Indices of Growing-Laying Hens

  • WU Yuchao ,
  • YANG Weiren ,
  • YANG Zaibin ,
  • JIANG Shuzhen ,
  • ZHANG Guiguo ,
  • JIANG Xinchao
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  • College of Animal Science and Technology, Shandong Agricultural University, Tai'an 271018, China

Received date: 2015-11-06

  Online published: 2016-04-11

摘要

本试验旨在研究低剂量玉米赤霉烯酮(ZEA)对育成期蛋鸡生长性能、血清生化指标和抗氧化指标的影响,同时评价改性蒙脱石吸附剂(Calibrin-A,CA)的脱毒效果。选取70日龄海兰褐蛋鸡720只,随机分为4组,每组5个重复,每个重复36只鸡。对照组饲喂基础饲粮,试验1组在基础饲粮的基础上添加0.15%的CA,试验2组用自然霉变的玉米蛋白质粉代替基础饲粮中的玉米蛋白质粉,并通过纯ZEA调整饲粮毒素水平(ZEA=0.4 mg/kg),试验3组在试验2组的基础上添加0.15%的CA。预试期7 d,正试期49 d。结果表明:1)低剂量ZEA和CA对育成期蛋鸡的生长性能没有显著影响(P>0.05)。2)低剂量ZEA显著提高育成期蛋鸡试验第25天血清中低密度脂蛋白(LDL)、胆固醇和尿酸的浓度(P<0.05),添加CA能显著降低其血清中LDL、胆固醇和尿酸的浓度(P<0.05)。3)低剂量ZEA显著降低育成期蛋鸡血清中谷胱甘肽过氧化物酶(GSH-Px)(第25天和第47天)和总超氧化物歧化酶(T-SOD)(第47天)活性(P<0.05),显著升高血清中丙二醛(MDA)(第25天和第47天)含量(P<0.05);与低剂量ZEA组相比,添加CA显著升高育成期蛋鸡血清中GSH-Px(第47天)和T-SOD(第47天)活性(P<0.05),显著降低血清中MDA(第25天和第47天)含量(P<0.05)。由此可见,饲粮中0.4 mg/kg的ZEA没有影响育成期蛋鸡的生长性能,但显著影响其血清生化指标和抗氧化指标,ZEA组添加CA对血清指标具有显著的改善作用。

本文引用格式

伍宇超 , 杨维仁 , 杨在宾 , 姜淑贞 , 张桂国 , 姜新超 . 低剂量玉米赤霉烯酮和吸附剂对育成期蛋鸡生长性能、血清生化指标和抗氧化指标的影响[J]. 动物营养学报, 2016 , 28(4) : 1137 -1144 . DOI: 10.3969/j.issn.1006-267x.2016.04.023

Abstract

This experiment was conducted to study the effects of low dose of zearalenone on growth performance, serum biochemical and antioxidant indices of growing-laying hens, and the detoxification effect of adsorbent Calibrin-A(CA) was also evaluated. Seven hundred and twenty 70-day-old Hy-Line Brown laying hens were randomly divided into 4 groups with 5 replicates and 36 hens in each replicate. The control group was given the basal diet. The test group 1 was fed the basal diet with 0.15% CA. The test group 2 was fed the control diet in which corn gluten meal was replaced by naturally contaminated corn gluten meal(zearalenone=0.4 mg/kg). The test group 3 was fed the test group 2 diet with 0.15% CA. The experiment comprised 7 days of adaptation and 49 days of measurement period. The results showed as follows:1) low dose of zearalenone and 0.15% CA had no significant effects on the growth performance of growing-laying hens(P>0.05). 2) Low dose of zearalenone significantly increased low density lipoprotein, cholesterol and uric acid concentrations on day 25 in the serum(P<0.05), and the addition of CA significantly decreased the low density lipoprotein, cholesterol and uric acid concentrations in the serum(P<0.05). 3) Low dose of zearalenone significantly decreased the activities of glutathione peroxidase(on day 25 and 47) and total superoxide dismutase(on day 47)(P<0.05), but the malondialdehyde content in the serum was significantly increased(on day 25 and 47)(P<0.05). Compared with low dose of zearalenone group, the addition of CA significantly increased the activities of glutathione peroxidase(on day 47) and total superoxide dismutase(on day 47)(P<0.05), and significantly decreased the malondialdehyde content in the serum(on day 25 and 47)(P<0.05). This experiment shows that 0.4 mg/kg zearalenone does not affect the growth performance of growing-laying hens, but it has significant effects on serum biochemical and antioxidant indices, and addition of CA can partly attenuate the detrimental effects of the zearalenone feeding.

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