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Mycotoxins in feedstuffs
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1. Introduction
Modern feed mills produce a wide range of products on a daily basis, regardless of whether they have one or several processing lines. Formulated diets are often composed of more than 20 ingredients and each of the ingredients is carefully selected based on the nutritional quality, safety, price, and availability [1]. Safe ingredients are important for the production of safe animal feed, which is in turn important for animal health, production of safe...
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1. Introduction Fusarium head blight (FHB) is a fungal disease caused by several Fusarium spp. Wheat, barley, oats, corn, and other cereal grains can be affected by FHB, resulting in small lightweight kernels and, thus, loss of yield. Fusarium spp. produce various amounts and types of trichothecene mycotoxins, which are highly toxic to humans and livestock [1]. A major mycotoxin produced by Fusarium spp. is deoxynivalenol (DON). Toxin production occurs during disease development...
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1. Introduction Mycotoxins are fungi-derived metabolites capable of causing a dverse effects to both humans and animals. They are produced by toxigenic fungi, including Aspergillus, Penicillium, Alternaria, and Fusarium species, under specific temperature and humidity conditions [1–4]. The main mycotoxins occurring in food and feedstuffs are aflatoxins, ochratoxins, zearalenone, deoxynivalenol, and fumonisins [4,5]. Contamination by mycotoxins is common in...
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The Distillers Grains Technology Council has taken the annual symposium virtual and with a new format: as an on-line webinar held in three occurrences. The first session was completed on May 13th, the second on June 10th, and this third part will take place on July 8th.
Because sponsors agreed to offset the costs of the technology,...
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A team of researchers from several institutions in China, one in the U.S. and one in Israel, has found a protective gene in wild wheatgrass that shows promise in stopping fusarium head blight in wheat and barley crops. In their paper published in the journal Science, the group describes how they found the gene and how well it has worked against...
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When addressing mycotoxin issues the fact that multiple ingredients make up a dairy cattle diet can be viewed both positively and negatively. Multiple feeds dilute the toxins from any given feed, resulting in a safer diet. On the other hand, since the effect of toxins can be additive, if there are multiple contaminated feeds, toxicity of individual feeds will be compounded. This article addresses the potential for individual feeds in a typical dairy cow diet to contribute the most...
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Trevor Smith (University of Guelph) gave an overview of the conjugated forms of different mycotoxins, during IPPE 2019 in Atlanta, USA....
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1. Introduction The rapid growth in the meat sector has been underpinned by the rising demand of poultry meat, which has consistently increased about threefold the rate of population growth over each of the past five decades [1]. The presence of microscopic fungi affects the quality of feeds, their organoleptic attributes, and nutritional quality [2]. Moulds like other microorganisms will assimilate and utilize the most readily available nutrients in the materials they...
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SASKATOON – Researchers at the University of Saskatchewan (USask) Crop Development Centre (CDC) have developed a fast and accurate method for identifying and quantifying toxins in fusarium-infected cereal grain, an innovation that could reduce toxins that are harmful to both animals and humans.
Fusarium head blight (FHB), a fungal...
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INTRODUCTION Mycotoxins are secondary metabolites produced by specific filamentous fungi that are common contaminants of agricultural commodities. The magnitude of the problem of mycotoxin contamination of agricultural commodities is demonstrated by Mannon and Johnson (1985) stating that one fourth of the grains produced worldwide are contaminated by mycotoxins. FAO has also estimated that worldwide about 25 per cent of crops are affected annually with mycotoxins (Jelinek et al....
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Introduction Mycotoxins are toxic substances produced by some fungi that are widely present in feedstuffs. They are responsible for considerable losses and adverse effects on animal health and production (Hauschild et al., 2007). Zearalenone (ZEA) is a non-steroidal estrogenic mycotoxin (Andretta et al., 2008; Andretta et al., 2010) produced mainly by Fusarium graminearum and Fusarium culmorum in corn (Fink-Gremmels and Malekinejad, 2007; Chatopadhyay et al., 2012; Gajecka...
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Mycotoxins are a group of structurally diverse secondary metabolites of fungi that occur as contaminants of grains worldwide. Aspergillus, Alternaria, Claviceps, Fusarium and Penicillium species of fungi are ubiquitous in nature and under ideal conditions often infect economically important crops during storage, shipment and processing. Many secondary metabolites produced by these fungi can cause serious health problems in poultry and their presence in agricultural commodities may result in...
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INTRODUCTION Presence of mycotoxins in feed is one of the major constraints in maintaining feed quality because the mycotoxins are widely present in feedstuffs around the world and may affect production even in very low concentration. These are low molecular weight toxic secondary metabolites produced by certain strains of filamentous fungi, which invade crops in the field, during harvesting or storage under favourable conditions. Although several hundred mycotoxins are...
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INTRODUCTION Food security has become a very important issue worldwide and the potential effects of climate change on yields and quality of food is now receiving significant attention by scientists, especially from a risk analysis perspective. The moldy contamination of staple foods such as cereals has received attention because of their acute and chronic effects in humans and animals. Indeed, the increasing use of staple crops, especially maize for biofuel production, has put...
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Using milk thistle to reduce liver damage from mycotoxins Mycotoxins not only reduce animal performance, but they also cause significant liver damage. The seeds of the herb plant milk thistle contain a mixture of flavonolignans known assilymarin and can help inreducing liver damage when animals get in contact with mycotoxin contaminated feed. Mycotoxins are a constant problem in cereals causing economic losses to the global animal industry. Mycotoxins are produced by filamentous...
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In 2018, 430 randomly collected feed samples of raw materials and feed mills in farms were analyzed. Samples were tested for aflatoxins (B1, B2, G1, and G2), zearalenone, fumonisins (B1, B2, and B3) and deoxynivalenol by the ELISA Mycotoxin analysis kit (Romer Labs ® ). Results Of 430 feed samples collected, 90.9% were contaminated with deoxynivalenol (table 1). The maximum concentration of deoxynivalenol was over the limit of quantification in this...
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Jog Raj, R&D Manager at PATENT CO. describes the main challenges producers face in the feed and how PATENT CO. can help them to find customized solutions to fight back mycotoxins, during Eurotier 2018....
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Olga Averkieva, Business Development Manager Mycotoxin Management at Nutriad, explains the impact of harvest quality on the occurrence of mycotoxins and introduces the solutions Nutriad offers to help producers manage the mycotoxin risk....
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