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Research Project: Headquarters Cooperative Programs - Animal Production and Protection (APP)

Location: Animal Production and Protection

Title: Vaccines as alternatives to antibiotics for food producing animals

Author
item HOELZER, KARIN - Pew Charitable Trusts
item BIELKE, LISA - The Ohio State University
item BLAKE, DAMER - University Of London
item COX, ERIC - Ghent University
item CUTTING, SIMON - University Of London
item DEVRIENDT, BERT - Ghent University
item ERLACHER-VINDEL, ELISABETH - World Organization For Animal Health
item GOOSSENS, EVY - Ghent University
item KARACA, KEMAL - Elanco Animal Health, Inc
item LEMIERE, STEPHANIE - Merial, Ltd
item METZNER, MARTIN - Ripac-Labor Gmbh
item RAICEK, MARGOT - World Organization For Animal Health
item SURINACH, MIQUEL - Msd
item WONG, NORA - Pew Charitable Trusts
item Gay, Cyril
item VAN IMMERSEEL, FILIP - Ghent University

Submitted to: Veterinary Research
Publication Type: Review Article
Publication Acceptance Date: 12/22/2017
Publication Date: 7/31/2018
Citation: Hoelzer, K., Bielke, L., Blake, D., Cox, E., Cutting, S., Devriendt, B., Erlacher-Vindel, E., Goossens, E., Karaca, K., Lemiere, S., Metzner, M., Raicek, M., Surinach, M.C., Wong, N.M., Gay, C.G., Van Immerseel, F. 2018. Vaccines as alternatives to antibiotics for food producing animals. Veterinary Research. https://doi.org/10.1186/s13567-018-0560-8.
DOI: https://doi.org/10.1186/s13567-018-0560-8

Interpretive Summary: Vaccines and other alternative products can help minimize the need for antibiotics by preventing and controlling infectious diseases in animal populations, and are central to the future success of animal agriculture. To assess scientific advancements related to alternatives to antibiotics and provide actionable strategies to support their development, the United States Department of Agriculture, with support from the World Organisation for Animal Health, organized the second International Symposium on alternatives to Antibiotics. It focused on six key areas: vaccines; microbial-derived products; non-nutritive phytochemicals; immune-related products; chemicals, enzymes, and innovative drugs; and regulatory pathways to enable the development and licensure of alternatives to antibiotics. This article, part of a two-part series, synthesizes and expands on the expert panel discussions regarding opportunities, challenges and needs for the development of vaccines that may reduce the need for use of antibiotics in animals; new approaches and potential solutions will be discussed in part 2 of this series. Vaccines are widely used to prevent infections in food animals. Various studies have demonstrated that their animal agricultural use can lead to significant reductions in antibiotic consumption, making them promising alternatives to antibiotics. To be widely used in food producing animals, vaccines have to be safe, effective, easy to use, and cost-effective. Many current vaccines fall short in one or more of these respects. Scientific advancements may allow many of these limitations to be overcome, but progress is funding-dependent. Research will have to be prioritized to ensure scarce public resources are dedicated to areas of potentially greatest impact first, and private investments into vaccine development constantly compete with other investment opportunities. Although vaccines have the potential to improve animal health, safeguard agricultural productivity, and reduce antibiotic consumption and resulting resistance risks, targeted research and development investments and concerted efforts by all affected are needed to realize that potential.

Technical Abstract: Vaccines and other alternative products can help minimize the need for antibiotics by preventing and controlling infectious diseases in animal populations, and are central to the future success of animal agriculture. To assess scientific advancements related to alternatives to antibiotics and provide actionable strategies to support their development, the United States Department of Agriculture, with support from the World Organisation for Animal Health, organized the second International Symposium on Alternatives to Antibiotics. It focused on six key areas: vaccines; microbial-derived products; non-nutritive phytochemicals; immune-related products; chemicals, enzymes, and innovative drugs; and regulatory pathways to enable the development and licensure of alternatives to antibiotics. This article, part of a two-part series, synthesizes and expands on the expert panel discussions regarding opportunities, challenges and needs for the development of vaccines that may reduce the need for use of antibiotics in animals; new approaches and potential solutions will be discussed in part 2 of this series. Vaccines are widely used to prevent infections in food animals. Various studies have demonstrated that their animal agricultural use can lead to significant reductions in antibiotic consumption, making them promising alternatives to antibiotics. To be widely used in food producing animals, vaccines have to be safe, effective, easy to use, and cost-effective. Many current vaccines fall short in one or more of these respects. Scientific advancements may allow many of these limitations to be overcome, but progress is funding-dependent. Research will have to be prioritized to ensure scarce public resources are dedicated to areas of potentially greatest impact first, and private investments into vaccine development constantly compete with other investment opportunities. Although vaccines have the potential to improve animal health, safeguard agricultural productivity, and reduce antibiotic consumption and resulting resistance risks, targeted research and development investments and concerted efforts by all affected are needed to realize that potential.