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Origin of antibiotic resistant bacteria in poultry due to Salmonella vaccine

Origin of antibiotic resistant bacteria in poultry due to Salmonella vaccine

A recent study has revealed that the use of the salmonella vaccine has led to the emergence of strains that are more resistant to antibiotics, as Brazilian farmers use more antibiotics during poultry farming.

And step Study Today, Thursday, June 2, the Brazilian-British Joint Research Team examined the evolution of the Salmonella bacterium that infects Brazilian chickens, published in PLOS Genetics.

In a press release reviewing a copy of the study reviewed by “Science” magazine, the researchers said that “Salmonella intestinal bacteria are a common cause of food poisoning in humans, often caused by eating contaminated chickens.”

The research team sought to determine whether Salmonella strains found in Brazil contribute to food poisoning in countries where their products are imported. And Brazilian poultry products imported into the United Kingdom. Find out what there is to know about the evolution of Brazilian species.

In the early 2000s, a research team discovered that strains of two major strains of Salmonella had developed in Brazil, while introducing the salmonella vaccine to chickens. Brazil, the world’s largest poultry exporter, has reported that this antibiotic-resistant bacterium caused the lowest incidence of Salmonella in humans in the UK and did not spread to domestic chickens.

For his part, Allison Mather, an expert in epidemiology, genetics and antimicrobial research at the Quadram Institute of Biological Sciences in the United Kingdom, and Alison Mather, chair of the research team, points out that the study reached two important conclusions after the introduction of the Brazilian anti-poultry poultry breed in 2003. Major strains of Salmonella detected during routine monitoring of production and export have not been associated with human disease in the UK.

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Mather added in a “scientific” report: The second conclusion is that strains associated with Brazilian chickens have genes that provide resistance against different types of antibiotics, and may have arisen in response to high antibiotic use in chickens. Diet, and this represents a concern because it could contribute to the worsening global problem of antimicrobial resistance; Antibiotics will be ineffective.

The use of vaccines and antibiotics led to changes in the salmonella picture associated with chickens, and explained that this may increase the long-term burden of antimicrobial resistance and that “these changes should be constantly monitored through genetic analysis”. The tools are monitored and monitored to understand the causes of major diseases so that we can identify and deal with the growing threats.

Researchers suggest a “one health” approach when evaluating global food supply and health threats, examining the interdependence between humans, animals and the environment.A health“A holistic, versatile approach to designing and implementing human health plans and programs that affect animal health and the environment”.

Mather adds: “We looked at samples of infections in food, poultry and humans to get a comprehensive picture of the Salmonella groups, and it helped us to see how they interact with each other and reveal the triggers for change.”

And he says of their future actions: We would like to understand how antimicrobial resistance arose in the detected strains, not in the other strains, and in this study there were no antimicrobial genes present in the other strains commonly circulating in Brazilian poultry. , Which is not usual; Since bacteria are so efficient at sharing genes it will give them a competitive advantage.

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“We would like to find out why these genes cannot be extracted from other strain-dominated Brazilian strains, and if barriers can be identified, ways can be found to help control the spread of other antimicrobial genes.”