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Abstract: Withdrawal of Antibiotic Growth Promoters in China and its Impact on the Foodborne Pathogen Campylobacter Coli of Swine Origin

Abstract: Withdrawal of antibiotic growth promoters in China and its impact on the foodborne pathogen Campylobacter coli of swine origin

Antibiotic growth promoters (AGPs) have been used as feed additives to improve feed efficiency in food animals for more than six decades. However, the wide use of AGPs has led to the emergence of antibiotic-resistant pathogens of animal origin, posing a significant threat to food safety and public health. China prohibited the addition of AGPs to animal feed from July 2020. The impacts caused by the withdrawal of AGPs on the prevalence and antibiotic resistance of foodborne pathogens have not been illustrated. Here, a total of 471 strains of Campylobacter were isolated from pigs from three pig farms and two slaughterhouses in Sichuan Province for 4 consecutive years (2018-2021), including 2 years before and 2 years after the ban on AGPs in China. The isolation rate of Campylobacter had a slight increase after prohibiting the addition of AGPs to the feed. Contrary to what we expected, the antibiotic susceptibility test and WGS data showed that the antibiotic resistance to gentamicin and florfenicol and the abundance of virulence genes increased significantly after the ban of AGPs.

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Advancement Through Science: The Purpose of the Beef Cattle Research Council

Video: Advancement Through Science: The Purpose of the Beef Cattle Research Council

Every time a beef animal is sold in Canada, the Canadian Beef Cattle Check-Off is collected, and a portion of it funds research and extension through the Beef Cattle Research Council.

The BCRC has a vision of a transparent, competitive and sustainable Canadian beef industry. And, we’re on a mission to support growth in beef demand, increase productivity and earn public trust. Research investments by producers are making that happen.

The BCRC works to advance the Canadian beef industry through industry-led research and extension. We create practical tools and resources that help producers make improvements in:

?? animal health and welfare,

?? forage and grassland productivity

?? feed efficiency and nutrition

?? beef quality and safety and

??environmental sustainability.

Guided by a board of producers from across Canada, the BCRC has one goal -- to make every producer-paid research dollar count. For each dollar invested through the Canadian Beef Cattle Check-Off, we leverage two to three dollars from other funding sources.

By bridging the gap between research and real-life application, we empower producers to make economical, science-based decisions to help drive innovation, sustainability and profitability in their operations.

Where industry investment and collaboration intersect with research and ranching – that’s where we find advancement through science and the real purpose of the Beef Cattle Research Council.