Innovative pre-milling and milling strategies are equally important for controlling mycotoxins. De-branning and micro-ionisation are the two major strategies for minimising mycotoxin contamination. Separating bran and other by- products effectively minimises mycotoxin contamination in milled products produced for human consumption. Milling by-products are often used in feed, creating a greater risk of mycotoxin contamination. A clear mycotoxin monitoring strategy with stringent quality control measures is necessary whenever by-products are intended for use in feed production.
Mycotoxin data management An effective monitoring system, optimal mycotoxin analysis and data management are essential to map mycotoxin levels in different RM and finished products. Monitoring and analy- sis needs to be applied to local and imported RM. A country using both domestic and imported RM often faces a bigger mycotoxin challenge as multiple mycotoxins interact. As feed millers and integrators must decide quickly whether to ac- cept or reject RM, an ELISA based mycotoxin analysis tool is necessary. Although analysing as many mycotoxins as possi- ble will enhance understanding of total toxicity on animals, analysis for the “Big 6” mycotoxins (aflatoxins, ochratoxin A, DON, T-2 toxin, zearalenone and fumonisin B1) is considered sufficient for quality control purposes. A mycotoxin analysis strategy needs to be refined to limit contaminated raw mate- rials so that their usage will not violate the laws of the region or detrimentally affect livestock health or performance. Trouw Nutrition in its endeavour of feeding the future has de- veloped efficient mycotoxin risk management strategies for use at the feed mill and on the farm. Mycotoxin management
monitoring is carried out using a global network of Mycomas- ter rapid mycotoxin monitoring tools (see main image). This network informs a database that serves as a surveillance tool providing real-time information on mycotoxin situations (specific mycotoxins and their prevalence) around the globe. It also offers risk assessment for various species through Trouw Nutrition’s digital platforms like NutriOpt Mycotoxin Monitor and NutriOpt Mycotoxin Adviser. Mycotoxin Monitor provides a country-specific mycotoxin profile for RM and feeds, various species risk assessments, and potential solu- tions. Mycotoxin Adviser offers customised advice to livestock producers on their own feeds and RM.
Feed mill management Auditing the feed mill to manage hygiene is critical. To keep mycotoxins at bay, mould growth should be avoided across feed production phases, especially in silos, mixers, elevators, and pellet coolers. Including mycotoxin binders in complete feed is a practical and effective management practice. However, as the structure and polarity of mycotoxins differ, relying only on mycotoxin binding strategy will not address challenges posed by multiple mycotoxins. Trouw Nutrition developed Toxo-XL to address the complexities that arise from managing multiple mycotoxins. Toxo-XL uses three modes of action to manage multiple mycotoxins. Recent in vivo studies conducted in broilers and layers have shown this innovation delivers excellent efficacy against multiple mycotoxins (Figure 1). In studies, the return on investment (ROI) for Toxo-XL inclusion was around 4:1. Research also proves that beyond mycotoxin binding, technologies to improve animals’ intestinal integrity and immunity should be included as part of a holistic solution to multiple mycotoxins.
▶ MYCOTOXINS | NOVEMBER 2021 53
Mycomasters are connected and data is col- lected in the My- cotoxin Monitor, which provides country-wise mycotoxin pro- file in raw mate- rials and feeds, various species risk assessment, and potential solutions.
PHOTO: TROUW NUTRITION
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