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Salmonella Spp Transmission Threatens Food Safety And One Health

Contamination of foodstuffs by harmful bacteria can lead to serious foodborne illnesses and can be life-threatening. Salmonellosis is an important foodborne illness caused by various serovars of non-host adapted paratyphoid Salmonella leading to morbidity, mortality and economic loss. The most found Salmonella serovars associated with poultry meat and egg products are Salmonella enterica Enteritidis and Typhimurium, but other serovars such as Hadar, Infantis, Virchow or Kentucky are becoming a growing concern. The most frequent serovars reported in human salmonellosis in the EU are Enteritidis, Typhimurium, Infantis and Derby. All of which are reported in feed, animals and humans.

Our role is to support you in producing Salmonella free poultry products and thereby contribute to the One Health concept by limiting transmission of zoonotic agents from feed to birds and then to humans. To achieve this goal, we offer you an integrated feed to farm approach with the help of the Sal CURB® and FormaXOLTM solutions.

Salmonella Spp Transmission Threatens Food Safety And One Health

There are several reasons why poultry flocks are particularly prone to carrying Salmonella spp.

Firstly, feed ingredients and compound feed can be contaminated by Salmonella during handling, processing, storage and transport, or by other factors coming from the environment.

Animals can become infected from contaminated feed, drinking water, and the environment. There is increased susceptibility to Salmonella infection in young animals and in those under digestive stress, production stress or suffering from disease. Animals may also become directly infected from other Salmonella-infected animals.

Occasionally animals can show clinical disease but the major outcome is asymptomatic carriage.

Transmission of Salmonella from animal feed to animals consuming the feed, and to food products derived from the animals has been shown by EFSA.

Oil seed meals and fish derived proteins are the major risk feed materials for introducing Salmonella contamination to EU feed mills and industrial compound feed.

Secondly, birds have developed a tolerance towards intestinal infections by this bacterium. Unlike many other animals, the inflammatory reactions activated by the birds’ immune system after exposure to Salmonella spp. rapidly temper before the pathogen is eliminated. This can lead to persistent asymptomatic infection of the intestinal tract, which allows Salmonella spp. to survive and proliferate in the intestine without being detected by birds. As a consequence, birds are not able to weed out Salmonella spp. on their own and need support to be able to do so.

All these factors favor contamination, carriage, and shedding, which are leading causes of as horizontal and vertical transmission of Salmonella spp. within farms and along the feed to food value chain.

At Kemin, it is our priority to partner with you, to help you control Salmonella spp with a comprehensive approach with solutions that have demonstrated success worldwide:

  • Sal CURB - an antimicrobial with unique synergistic combination of powerful compounds:
    The application of Sal CURB to kill bacterial pathogens in animal feeds is a well-established practice worldwide. Sal CURB involves interventions in oilseed extraction and rendering plants, feed mills, storage facilities, farms, transport vehicles, and/or equipment.
    Treatment of feed ingredients and compound feed with Sal CURB is effective in controlling contamination by Salmonella spp. and other pathogenic organisms. Sal CURB reduces the counts of Salmonella and prevents re-contamination, providing a long-lasting protection from microbial growth. Consequently, it will reduce the number of human cases of salmonellosis.

Take a closer look at the technical documents focusing on the
efficacy of Sal CURB under field and lab conditions

  • FormaXOL(*), a doubly microencapsulated product uses the synergism of functional flavours (cinnamaldehyde, orange terpenes, thymol, eugenol, carvacrol and capsicum oleoresin) and organic acids (formic acid and citric acid) to control Salmonella spp in the animals. The functional flavours will damage the gram-negative bacterial cell wall and facilitate the entrance of the organic acid within the bacteria, resulting in bacterial death.
    Non-antibiotic solutions can have a crucial role in reducing intestinal carriage and farm prevalence of Salmonella spp., both in breeding or commercial poultry flocks.
    Results consistently demonstrate a reduction of carriage in the intestinal tract of infected birds by up to 2 log10 cfu per gram of content as well as a reduction of the percentage of positive analyses. By doing so, FormaXOL can mitigate the risks of contamination of poultry products.

Download our technical document on the efficacy of this solution

(*) Other variants FormaXOL F, Formyl, Formyl 2B are available in some markets.

Our Customer Lab Service (CLS) performs multiple laboratory analyses to monitor risks and effectiveness of the Salmonella control programme in feed ingredients and compound feed.

Our Kemin Application Service (KAS) ensure the best cost-effective use of our solutions, a proper product application and distribution is critical. We offer a total solution, committed to providing customized equipment, training and education to ensure our dry and liquid products are optimally utilised to reach the desired cost-effectiveness, ensuring user safety.

Kemin has a team of highly qualified experts consulting with you to design tailored product application systems. Assemblage of the systems is done by a dedicated team of local engineers. A team of service engineers located across the EMENA region takes care to install and maintain the systems.

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