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Table 1 - Risk chart for feed ingredients and finished feeds. MATRIX 1. Autoxidation


Low fat, vitamins and/or trace minerals


Fats with high saturation degree Low processing


Temperature Humidity Shelf-life


ENVIRONMENT


Temperature Humidity Shelf-life


Intermediate risk High risk


High fat, vitamins and/or trace minerals


Fats with high unsaturation degree High processing


Low risk


Intermediate risk


MATRIX 2. Mould degradation


Poor or protected Low moisture


Rich, enriched or processed High moisture


Temperature Humidity Shelf-life


ENVIRONMENT


Temperature Humidity Shelf-life


Intermediate risk High risk


Low risk


Intermediate risk


growth, and therefore mycotoxin production. Adisseo has cost-effective solutions for grain treatment and feed storage to prevent mould growth which are available in both liquid and dry form and formulated with a unique synergistic, buffered blend of propionic and other organic acids to ef- fectively combat moulds. The use of mould inhibitors is proven to prevent mould contamination in feed ingredients and feed, preserve their nutritive value and ensure safe-handling during short and long-term storage. Secondly, we also need to prevent oxidative degradation in feed ingredients and final feeds. Oxidized fats carry alde- hydes and peroxides that are harmful to animal immunity and detrimental to gut health. Adisseo has developed an efficient strategy to prevent the oxidation of lipids or feeds by combining ingredients with varying strengths and applications, with proven efficacy in controlling different parts of the oxidation cycle. Through its proprietary for- mulations and manufacturing processes, Adisseo provides a programme with antioxidant solutions in both dry and liquid forms. This programme maximises the synergistic effect of selected antioxidant compounds and offers an


ideal antioxidant solution for fat-rich feed ingredients (i.e., pigments and vitamins) and final feeds.


A systematic approach Good manufacturing practices are vital and should focus on minimising the risk factors that impact product quality and safety. Invisible threats include microbial degradation from bacteria and mould growth, as well as chemical degradation by autoxidation. These degradation processes pose the threat of nutrient losses and reduced feed intake, not to mention mycotoxin production and other contamination risks. A sys- tematic approach to managing these threats must be devel- oped, including a risk chart per ingredient and per type of fin- ished feed. It should be based on their specific characteristics and risk for microbial and chemical degradation. This ap- proach lays the groundwork for implementing good manage- ment practices and appropriate preservation procedures ac- cording to the level of risk. An important action can include the addition of appropriately formulated antioxidants and mould inhibitors with a dose rate in line with the risk profiles of the specific ingredients or finished feed.


▶ ALL ABOUT FEED | Volume 29, No. 5/6, 2021 13


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