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新型多组分霉菌毒素解毒剂对黄曲霉毒素 B1 和赭曲霉毒素 A 诱导肉鸡霉菌中毒的改善作用研究。

Investigation of a Novel Multicomponent Mycotoxin Detoxifying Agent in Amelioration of Mycotoxicosis Induced by Aflatoxin-B1 and Ochratoxin A in Broiler Chicks.

机构信息

Unit of Avian Medicine, School of Veterinary Medicine, Aristotle University of Thessaloniki, 54627 Thessaloniki, Greece.

Clinic of Farm Animals, School of Veterinary Medicine, Aristotle University of Thessaloniki, 54627 Thessaloniki, Greece.

出版信息

Toxins (Basel). 2021 May 21;13(6):367. doi: 10.3390/toxins13060367.

Abstract

The present study was designed to determine the efficacy of a novel multicomponent mycotoxin detoxifying agent (MMDA) containing modified zeolite (Clinoptilolite), , , cell walls and silymarin against the deleterious effects of Aflatoxin B (AFB) and Ochratoxin A (OTA) in broiler chicks. A total of 160 one-day-old Ross 308 broiler chicks were randomly allocated in four treatment groups, with four replicates, according to the following experimental design for 42 days. Group A received a basal diet; Group B received a basal diet contaminated with AFB and OTA at 0.1 mg/kg and 1 mg/kg, respectively; Group C received a basal diet contaminated with AFB and OTA and MMDA at 1 g/kg feed, and Group D received a basal diet contaminated with AFB and OTA and MMDA at 3 g/kg feed. Results showed that ingested mycotoxins led to significant ( ≤ 0.05) reduction in body weight and feed conversion from 25 days of age, induced histopathological changes, increased the pH of the intestinal content, and altered the biochemical profile of birds with significantly ( ≤ 0.05) increased aspartate aminotransferase (AST) values ( ≤ 0.05). On the other hand, the supplementation of MMDA significantly ( ≤ 0.05) improved the feed conversion ratio (FCR) during the second part of the study, diminished biochemical alterations, reduced pH in jejunal and ileal content, and counts in the caeca of birds ( ≤ 0.05). It may be concluded that the dietary supplementation of the MMDA partially ameliorated the adverse effects of AFB and OTA in broilers and could be an efficient tool in a mycotoxin control program.

摘要

本研究旨在确定一种新型的多组分霉菌毒素解毒剂(MMDA)的功效,该解毒剂含有改性沸石(斜发沸石)、β-葡聚糖、甘露寡糖、几丁质和水飞蓟素,以对抗黄曲霉毒素 B(AFB)和赭曲霉毒素 A(OTA)对肉鸡的有害影响。总共 160 只 1 日龄罗斯 308 肉鸡被随机分为 4 个处理组,每个处理组 4 个重复,进行为期 42 天的实验设计。第 A 组接受基础日粮;第 B 组接受在基础日粮中添加 0.1mg/kg 的 AFB 和 1mg/kg 的 OTA;第 C 组接受在基础日粮中添加 1g/kg 饲料的 AFB 和 OTA 和 MMDA;第 D 组接受在基础日粮中添加 3g/kg 饲料的 AFB 和 OTA 和 MMDA。结果表明,从 25 日龄开始,摄入的霉菌毒素导致体重和饲料转化率显著降低(≤0.05),引起组织病理学变化,增加了肠道内容物的 pH 值,并改变了鸟类的生化特征,天冬氨酸氨基转移酶(AST)值显著升高(≤0.05)。另一方面,MMDA 的补充显著改善了研究第二部分的饲料转化率(FCR),减轻了生化变化,降低了空肠和回肠内容物的 pH 值,减少了盲肠中微生物的数量(≤0.05)。由此可以得出结论,日粮中添加 MMDA 可部分改善 AFB 和 OTA 对肉鸡的不利影响,可能是霉菌毒素控制计划中的有效工具。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/9cea/8224362/e23ea4d4497e/toxins-13-00367-g001.jpg

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