Malczak Izabela, Gajda Anna, Jedziniak Piotr
Department of Pharmacology and Toxicology, National Veterinary Research Institute, Partyzantów 57, Pulawy, 24-100, Poland.
Porcine Health Manag. 2025 May 10;11(1):27. doi: 10.1186/s40813-025-00441-w.
Mycotoxins are compounds produced by certain types of fungi, and the mycotoxin one of the most most frequently found in the tested cereal samples is deoxynivalenol (DON), naturally-occurring mycotoxin produced by Fusarium spp. An animal sensitive to the effects of this mycotoxin is the pig due to the diet containing primarily cereals and the structure of a digestive system, which causes DON to be quickly absorbed unchanged into the bloodstream and partially metabolized in the liver. An important aspect when considering the toxicity of DON is the occurrence of its modified forms, which can be transformed into DON in the digestive system. The toxic effect of DON can also be caused by other mycotoxins which co-occur in cereals. The toxic effect of DON on the body of pigs was observed mainly in the digestive, immune, and reproductive systems. The noticeable of DON's toxic effects depends on the exposure time, route of administration and mycotoxin concentration. The changes are mainly caused by impaired gene expression, inhibiting protein synthesis or the effect of DON on pathways in pigs' bodies. The negative impact of DON on the health of pigs may lead to reduced weight gain, poor health, and increased susceptibility to infections and reproductive disorders. There have also been many methods of DON elimination from cereals, but their efficiency is insufficient.
霉菌毒素是由某些种类的真菌产生的化合物,在测试的谷物样本中最常发现的霉菌毒素之一是脱氧雪腐镰刀菌烯醇(DON),它是镰刀菌属产生的天然存在的霉菌毒素。由于猪的饮食主要含谷物且其消化系统结构的原因,猪是对这种霉菌毒素的影响敏感的动物,这使得DON能够未经改变就迅速被吸收进入血液,并在肝脏中部分代谢。在考虑DON的毒性时,一个重要方面是其修饰形式的存在,这些修饰形式可在消化系统中转化为DON。谷物中同时存在的其他霉菌毒素也可能导致DON的毒性作用。DON对猪体的毒性作用主要在消化、免疫和生殖系统中观察到。DON毒性作用的显著程度取决于接触时间、给药途径和霉菌毒素浓度。这些变化主要是由基因表达受损、抑制蛋白质合成或DON对猪体内通路的影响引起的。DON对猪健康的负面影响可能导致体重增加减少、健康状况不佳以及对感染和生殖障碍的易感性增加。也有许多从谷物中去除DON的方法,但其效率不足。