Effects of aflatoxin B1 combined with ochratoxin A and/or zearalenone on metabolism, immune function, and antioxidant status in lactating dairy goats
文献类型: 外文期刊
第一作者: Huang, Shuai
作者: Huang, Shuai;Fan, Caiyun;Wang, Shang;Cheng, Jianbo;Zheng, Nan;Jabar, Adil;Wang, Jiaqi;Cheng, Ming
作者机构:
关键词: Aflatoxin B1;Ochratoxin A;Zearalenone;Dairy Goat;Blood Metabolism;Antioxidant Status
期刊名称:ASIAN-AUSTRALASIAN JOURNAL OF ANIMAL SCIENCES ( 影响因子:2.509; 五年影响因子:2.604 )
ISSN: 1011-2367
年卷期: 2018 年 31 卷 4 期
页码:
收录情况: SCI
摘要: Objective: This experiment investigated the effects of aflatoxin B1 (AFB1) alone or mixed with ochratoxin A (OTA) and/or zearalenone (ZEA) on the metabolism, immune function, and antioxidant status of dairy goats. Methods: Fifty lactating Laoshan dairy goats were randomly assigned to one of five treatment groups (n = 10) for 14 days. Goats were fed no additive (control) or administered with 50 mu g AFB1/kg dry matter (DM) (AFB1), 50 mu g AFB1/kg DM+ 100 mu g OTA/kg DM (AFB1+ OTA), 50 mu g AFB1/kg DM+ 500 mu g ZEA/kg DM (AFB1+ ZEA), or 50 mu g AFB1/kg DM+ 100 mu g OTA/kg DM+ 500 mu g ZEA/kg DM (AFB1+ OTA+ ZEA). Results: Dry matter intake and milk production were lower in goats fed AFB1+ OTA+ ZEA than in controls. Supplementation with AFB1, OTA, and ZEA significantly decreased red blood cell count, hematocrit, mean corpuscular volume, mean corpuscular hemoglobin, and mean platelet volume, and significantly increased white blood cell count, when compared with the control group. Compared with control, the combination of AFB1, OTA, and ZEA significantly increased alanine aminotransferase (ALT) and alkaline phosphatase (ALP) acti-vities, total bilirubin (TBIL), interleukin-6, and malondialdehyde (MDA), but significantly reduced immunoglobulin A concentration, the activities of superoxide dismutase (SOD) and glutathione peroxides (GSH-Px), and total antioxidant capacity (T-AOC) in serum. Administration of AFB1 combined with OTA led to higher ALP, ALT, TBIL, and MDA, as well as lower milk production, SOD and GSH-Px activities, and T-AOC, than administration of AFB1 combined with ZEA. Conclusion: The mixture of AFB1, OTA, and ZEA exerted the greatest adverse effects on dairy goats, meanwhile the deleterious damage of the other mycotoxin combinations were in varying degrees. The findings of this study could provide guidance for the prevention and treatment of the consequences of contamination of animal feeds with combinations of mycotoxin.
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