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Fighting Salmonella Spp To Improve Food Safety And Health In Pigs And Humans

We know that contamination of foodstuffs by harmful bacteria can lead to serious foodborne illnesses and can be life-threatening — both to humans and animals. Salmonellosis is a foodborne illness caused by various serovars of non-host adapted paratyphoid Salmonella, leading to morbidity, mortality and economic losses.

Pig meat products can be carriers and transmitters of human salmonellosis, with Salmonella enterica Typhimurium being one of the predominant serovars associated with pig meat. Other serovars — Derby, Rissen, Infantis and Enteritidis — are also frequently found in pig products, all of which are reported in the feed of both animals and humans.

At Kemin, we strive to support you in producing Salmonella-free pig products, in the effort to contribute to the UN’s One Health concept — limiting the transmission of zoonotic agents from feed to pigs and then pork to humans. Our integrated feed-to-farm approach, utilizing our Sal CURB® and FormaXOLTM products, together with our Customer Lab Services (CLS) and Kemin Application Service (KAS), help us achieve this. 

Fighting Salmonella Spp To Improve Food Safety And Health In Pigs And Humans

Contamination by Salmonella spp occurs at all stages of the production cycle and can affect sows and piglets, as well as growing or finishing pigs. Salmonella spp may spread from asymptomatic carriers through horizontal or vertical routes or can be the result of repeated cycles of contamination between the pigs and their environment.

There are many reasons whypig herds are particularly prone to carrying Salmonella spp:

  • Feed ingredients and compound feed can be contaminated during handling, processing, storage and transport or by other environmental factors;
  • Contaminated feed, drinking water and environmental factors can cause infection;
  • There is an 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 by other Salmonella-infected animals. Transmission of Salmonella from animal feed to animals consuming the feed, and to food products derived from the animals has been shown by the European Food Safety Authority (EFSA).
  • Oilseed meals and fish-derived proteins are a major risk for introducing Salmonella contamination into EU feed mills and industrial compound feed.

Moreover, animals can occasionally show clinical disease but the majority of cases are asymptomatic and sub-clinical.

At least 1 out of 10 pigs may test positive for Salmonella at slaughter

According to data from EFSA reports published in recent years, at least 1 out of 10 pigs may be positive for Salmonella at slaughter. The prevalence of Salmonella was found to be 6.7%.

There are also growing concerns about the increased prevalence of multidrug-resistant (MDR) isolates, further jeopardizing the UN’s One health concept and favoring the spread of antibiotic resistance genes from animals to humans. 

The need for preventive measures to control Salmonella spp. along the pig feed to food value chain — using hygiene, biosecurity and non-antibiotic solutions — is imperative.

At Kemin, our priority is to partner with you, to help you control Salmonella spp. using our comprehensive, solution-driven approach, which has demonstrated global success. We do this through:

  • Sal CURB — an antimicrobial with a 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 long-lasting protection from microbial growth. Consequently, it reduces the number of human cases of salmonellosis.

Read our technical literature:
‘Antimicrobial efficacy of Sal CURB® Ba under field and under lab conditions’

  • FormaXOL(*) a doubly microencapsulated product that 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 flavors damage the gram-negative bacterial cell wall and facilitate the entrance of organic acids within the bacteria, resulting in bacterial death.
    Non-antibiotic solutions, can play a crucial role in reducing intestinal carriage and farm prevalence of Salmonella spp.
    Results consistently demonstrate a reduction of the prevalence of Salmonella positive analyses in slaughtering pigs. By doing so, FormaXOL can mitigate the risks of contamination of pig products.

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

Read our technical literature about the effects of FormaXOL

Salmonella_Feed to Food chain_2022

Customer Lab Services (CLS)

In addition to our above-mentioned products, our Customer Lab Service (CLS) performs multiple laboratory analyses to monitor the risks and effectiveness of the Salmonella control program in feed ingredients and compound feed.


Kemin Application Service (KAS)

Our Kemin Application Service (KAS) ensures the most cost-effective use of our solutions, as well as proper product application and distribution. We offer a total solution, providing customized equipment, training and education, to ensure our dry and liquid products are optimally utilized, for both safety and cost-effectiveness.

Our team of highly qualified experts consults with you, to design tailored product application systems. An 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 of the installation and maintenance of the systems.

Read more in our Kemin Application Service (KAS) Brochure today. 

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