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Open AccessArticle

Mitigation Effects of Bentonite and Yeast Cell Wall Binders on AFB1, DON, and OTA Induced Changes in Laying Hen Performance, Egg Quality, and Health

1
Department of Animal Nutrition and Feed Science, College of Animal Science and Technology, Huazhong Agricultural University, Wuhan 430070, China
2
National Center for International Research on Animal Genetics, Breeding and Reproduction (NCIRAGBR), Huazhong Agricultural University, Wuhan 430070, China
3
Institute of Animal Husbandry and Veterinary Sciences, Hubei Academy of Agricultural Sciences, Wuhan 430064, China
4
Animal Husbandry and Fisheries Research Center of Guangdong Haid Group Co., Ltd., Guangzhou 511400, China
5
Department of Animal Biosciences, University of Guelph, Guelph, ON N1G2W1, Canada
6
Trouw Nutrition, 773811 Amersfoort, The Netherlands
7
State Key Laboratory of Animal Nutrition, College of Animal Science and Technology, China Agricultural University, Beijing 100193, China
*
Author to whom correspondence should be addressed.
These authors contributed equally to this work.
Received: 21 January 2021 / Revised: 11 February 2021 / Accepted: 15 February 2021 / Published: 17 February 2021
(This article belongs to the Special Issue Effects of Single and Combined Mycotoxins)
The objective of this study was to evaluate the efficacy of mycotoxin binders in reducing the adverse effects of co-occurring dietary aflatoxin B1 (AFB1), deoxynivalenol (DON) and ochratoxin A (OTA) on laying hens. Three hundred and sixty 26-week-old Roman laying hens were randomly allocated into four experimental groups with 10 replicates of nine birds each. The four groups received either a basal diet (BD; Control), a BD supplemented with 0.15 mg/kg AFB1 + 1.5 mg/kg DON + 0.12 mg/kg OTA (Toxins), a BD + Toxins with Toxo-HP binder (Toxins + HP), or a BD + Toxins with TOXO XL binder (Toxins + XL) for 12 weeks. Compared to the control, dietary supplementation of mycotoxins decreased (P < 0.10) total feed intake, total egg weight, and egg-laying rate, but increased feed/egg ratio by 2.5–6.1% and mortality during various experimental periods. These alterations induced by mycotoxins were alleviated by supplementation with both TOXO HP and XL binders (P < 0.10). Furthermore, dietary mycotoxins reduced (P < 0.05) eggshell strength by 12.3% and caused an accumulation of 249 μg/kg of DON in eggs at week 12, while dietary supplementation with TOXO HP or XL mitigated DON-induced changes on eggshell strength and prevented accumulation of DON in eggs (P < 0.05). Moreover, dietary mycotoxins increased relative liver weight, but decreased spleen and proventriculus relative weights by 11.6–22.4% (P < 0.05). Mycotoxin exposure also increased alanine aminotransferase activity and reduced immunoglobulin (Ig) A, IgM, and IgG concentrations in serum by 9.2–26.1% (P < 0.05). Additionally, mycotoxin exposure induced histopathological damage and reduced villus height, villus height/crypt depth, and crypt depth in duodenum, jejunum and (or) ileum (P < 0.05). Notably, most of these histological changes were mitigated by supplementation with both TOXO HP and XL (P < 0.05). In conclusion, the present study demonstrated that the mycotoxin binders TOXO HP and XL can help to mitigate the combined effects of AFB1, DON, and OTA on laying hen performance, egg quality, and health. View Full-Text
Keywords: mycotoxins; laying hens; performance; binder; remediation mycotoxins; laying hens; performance; binder; remediation
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MDPI and ACS Style

Zhao, L.; Feng, Y.; Wei, J.-T.; Zhu, M.-X.; Zhang, L.; Zhang, J.-C.; Karrow, N.A.; Han, Y.-M.; Wu, Y.-Y.; Guo, Y.-M.; Sun, L.-H. Mitigation Effects of Bentonite and Yeast Cell Wall Binders on AFB1, DON, and OTA Induced Changes in Laying Hen Performance, Egg Quality, and Health. Toxins 2021, 13, 156. https://0-doi-org.brum.beds.ac.uk/10.3390/toxins13020156

AMA Style

Zhao L, Feng Y, Wei J-T, Zhu M-X, Zhang L, Zhang J-C, Karrow NA, Han Y-M, Wu Y-Y, Guo Y-M, Sun L-H. Mitigation Effects of Bentonite and Yeast Cell Wall Binders on AFB1, DON, and OTA Induced Changes in Laying Hen Performance, Egg Quality, and Health. Toxins. 2021; 13(2):156. https://0-doi-org.brum.beds.ac.uk/10.3390/toxins13020156

Chicago/Turabian Style

Zhao, Ling; Feng, Yue; Wei, Jing-Tao; Zhu, Meng-Xiang; Zhang, Lei; Zhang, Jia-Cai; Karrow, Niel A.; Han, Yan-Ming; Wu, Yuan-Yuan; Guo, Yu-Ming; Sun, Lv-Hui. 2021. "Mitigation Effects of Bentonite and Yeast Cell Wall Binders on AFB1, DON, and OTA Induced Changes in Laying Hen Performance, Egg Quality, and Health" Toxins 13, no. 2: 156. https://0-doi-org.brum.beds.ac.uk/10.3390/toxins13020156

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