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For Immediate Release
U.S. Poultry & Egg Association
Tucker, Ga. - December 13, 2022
- Gwen Venable, 678.514.1971, email@example.com, (USPOULTRY)
USPOULTRY Releases Updated Report of Antibiotic Stewardship Within U.S. Poultry Production
Updated research, supported by the U.S. Food and Drug Administration and U.S. Poultry & Egg Association, was released today quantifying the U.S. poultry industry’s on-farm antibiotic use, including a new section on layer production. The new report shows further improved antibiotic stewardship and commitment to disease prevention within poultry production. As part of its commitment to the transparency and sustainability of a safe food supply, the poultry industry aims to strike a balance between the responsible use of antibiotics “medically important” to human health and keeping poultry flocks healthy.
“The Board of USPOULTRY has supported this research for a decade, and it points to the continued focus on the judicious use of antibiotics in the poultry industry. We are grateful for the long-term participation of so many members in this study,” remarked John Starkey, president of the U.S. Poultry & Egg Association.
Under the research direction of Dr. Randall Singer, DVM, PhD, of Mindwalk Consulting Group, LLC, this report represents a nine-year set of data collected from 2013 to 2021 for U.S. broiler chickens and turkeys and represents a six-year set of data collected from 2016 to 2021 for layers. A prior report, covering 2013-2017, was released in August 2019.
Given several key differences among broiler chickens, turkeys and layers – namely differences in weight, life span, susceptibility to lifetime illness, the number of effective medical treatments available, etc. – these data should neither be combined nor compared between types of poultry.
Key Changes Among Broiler Chickens Over the 2013-2021 Period:
- Broiler chickens receiving antibiotics in the hatchery decreased from 90% (2013) to 0% (2021)
- Medically important in-feed antibiotic use in broiler chickens decreased substantially: there was no reported in-feed tetracycline use in 2020 or 2021, and virginiamycin use decreased more than 97% over the nine-year period
- Medically important water-soluble antibiotic use in broiler chickens decreased substantially from 2013-2017 and then stabilized or decreased slightly from 2017-2021:
- penicillin use decreased by more than 75% from peak in 2015
- lincomycin use decreased by more than 82% from peak in 2015
- tetracycline use decreased by more than 92% since 2013
- sulfonamide use decreased by 98% since 2013
- There was a documented shift to the use of antibiotics that are not considered medically important to humans (e.g., avilamycin and bacitracin).
Key Changes Among Turkeys Over the 2013-2021 Period:
- Turkeys receiving antibiotics in the hatchery decreased from 97% (2013) to 40% (2021)
- Hatchery gentamicin use decreased almost 50% from 2013 to 2021
- Medically important in-feed antibiotic use in turkeys decreased substantially: in-feed tetracycline use decreased more than 80% over the nine-year period
- Medically important water-soluble antibiotic use in turkeys decreased substantially from 2013-2017 and then stabilized or increased slightly from 2017-2021. Increases were typically due to increased disease incidence, as seen in other countries as well, during the 2019-2021 period:
- penicillin use decreased by more than 41% since 2013
- lincomycin use decreased by more than 54% from 2013 to 2020 but then increased in 2021
- tetracycline use remained fairly stable and then increased in 2020-2021
- neomycin use decreased by more than 50% since 2013
Key Findings Among Layer Chickens Over the 2016-2021 Period:
- Layer chickens (hens) typically begin laying eggs around 20 weeks of age and end when the layer hen is around 80 to 100 weeks of age.
- Table egg production is similar to milk production, where the product for human consumption is produced on a daily basis. Most antibiotics that could be administered to layer hens have withdrawal periods that would prevent all eggs produced during this period from entering the food supply. This is one reason why little antibiotic is used in table egg production in the U.S.
- All chicks in the dataset received gentamicin in the hatchery (day 1 of age).
- In the U.S., the majority of chicks purchased by egg companies are sourced from hatcheries that are owned and operated by genetics companies.
- The only medically important antibiotic used in layer hens for treatment and control of disease in this dataset was chlortetracycline (CTC), used in part because it has a zero-day withdrawal, meaning that there is no loss of eggs during the treatment period.
- CTC was only administered via the feed in pullets (day 2 through 16 to 18 weeks of age) and layer hens
- The majority (>95%) of CTC was used in the layer hens for treatment of disease
- Less than 0.2% of total hen-days were exposed to CTC
Moving forward, U.S. Poultry & Egg Association will continue to support Dr. Singer in the annual collection of data from the broiler chicken, turkey and layer industries. These efforts will continue to assist the poultry industry as it aims to improve antibiotic stewardship and will also document the burden of flock illness and reasons for on-farm, medically important antibiotic usage.
This project is funded under a cooperative agreement with the U.S. Food and Drug Administration and multiple annual grants from U.S. Poultry & Egg Association.
Details of the study can be found at https://mindwalkconsultinggroup.com/. The updated infographic report can be viewed at https://www.uspoultry.org/poultry-antibiotic-use-report/.
About the U.S. Poultry & Egg Association
The U.S. Poultry & Egg Association (USPOULTRY) is a non-profit organization which progressively serves its poultry and egg members through research, education, communications and technical services. In part, it is committed to the advancement of research and education in poultry science and technology, to always be responsive and effective to the changing needs of the poultry industry, to increase the availability and constant improvement of the quality and safety of poultry products, and to promote responsible practices in animal care and environmental stewardship.
About the Study
This project is funded under a cooperative agreement with the U.S. Food and Drug Administration (UO1FD005878) and multiple annual grants from U.S. Poultry & Egg Association. The project could not have been such a success without the support and voluntary participation of the FDA, USDA-APHIS, National Chicken Council, National Turkey Federation, United Egg Producers as well as layer, broiler chicken and turkey companies of the U.S., who also assisted in encouraging member participation.
About Dr. Randall Singer, DVM, PhD
Dr. Singer is a professor of Epidemiology at the University of Minnesota in the Department of Veterinary and Biomedical Sciences, College of Veterinary Medicine. He received his DVM and MPVM from UC Davis in 1995 and his PhD in Epidemiology from UC Davis in 1999, with the focus of both his PhD and the majority of work throughout his career on poultry production and the link between poultry and public health. His research and educational program have focused on predicting the emergence, spread and persistence of infectious diseases with an emphasis on food safety and antimicrobial resistance. In 2000, he was awarded the Presidential Early Career Award for Scientists and Engineers by President Clinton for his work on antimicrobial resistance. Between 2006 and 2010, he served on the U.S. Delegation to the CODEX Task Force on Antimicrobial Resistance and served again on the renewed Task Force from 2017-2021. He has spoken twice to the U.S. House of Representatives on this topic and served as a voting member of the Presidential Advisory Council on Combating Antibiotic-Resistant Bacteria between 2015 and 2019. Dr. Singer’s consulting company, Mindwalk Consulting Group LLC, received multiple annual grants from U.S. Poultry & Egg Association to help support this work.
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