Report Overview
The Global Veterinary Antimicrobial Susceptibility Testing (AST) Market size is expected to be worth around US$ 3.2 Billion by 2035 from US$ 1.4 Billion in 2025, growing at a CAGR of 8.5% during the forecast period 2026-2035. In 2025, North America led the market, achieving over 35.9% share with a revenue of US$ 0.5 Billion.
The Veterinary Antimicrobial Susceptibility Testing (AST) Market is gaining significant traction as the global veterinary industry places increasing emphasis on combating antimicrobial resistance (AMR) and improving animal health outcomes. Antimicrobial susceptibility testing helps determine the effectiveness of antibiotics against specific pathogens, enabling veterinarians to prescribe targeted treatments for livestock and companion animals. Rising concerns regarding antibiotic misuse in animals and growing regulatory efforts to monitor antimicrobial consumption are accelerating market growth.
The market is driven by increasing incidences of infectious diseases in animals, expanding livestock production, and heightened awareness about food safety and zoonotic diseases. Technological advancements in rapid diagnostic platforms, automated testing systems, and molecular diagnostics are further enhancing testing accuracy and efficiency. Veterinary hospitals, diagnostic laboratories, and research institutions are among the major end users adopting AST solutions.
North America currently leads the market due to its advanced veterinary healthcare infrastructure and strong regulatory framework, while Asia-Pacific is expected to witness rapid growth owing to expanding animal healthcare investments and rising livestock populations.
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Key Takeaways
- In 2025, the Veterinary Antimicrobial Susceptibility Testing (AST) Market generated US$ 1.4 Billion in revenue and is projected to reach US$ 3.2 Billion by 2035, expanding at a CAGR of 8.5% during the forecast period.
- By product type, the market is segmented into custom/targeted AST panels, disk diffusion (Kirby-Bauer) discs, broth microdilution (MIC) plates, culture media, E-test gradients, and others. Among these, custom/targeted AST panels dominated the market, accounting for 41.3% of the total market share in 2025.
- Based on application, the market is categorized into clinical therapy selection, antimicrobial stewardship, epidemiological surveillance, herd/flock management, and others. The clinical therapy selection segment held the largest share, capturing 32.6% of the market.
- By animal type, the market is divided into production animals and companion animals, with the production animal segment emerging as the dominant category, representing 66.5% of the market revenue.
- In terms of end users, the market is segmented into veterinary reference laboratories & diagnostic labs, veterinary research institutes & academic centers, veterinary clinics & hospitals, and others. The veterinary reference laboratories & diagnostic labs segment led the market with a 56.2% revenue share.
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Regionally, North America dominated the global Veterinary AST Market in 2025, securing a 35.9% share of the overall market.
Key Market Segments
By Product Type
Custom/Targeted AST Panels
Disk Diffusion (Kirby-Bauer) Discs
Broth Microdilution (MIC) Plates
Culture Media
E-test Gradients
Others
By Application
Clinical Therapy Selection
Antimicrobial Stewardship
Epidemiological Surveillance
Herd/Flock Management
Others
By Animal Type
Production Animal
Cattle
Poultry
Pigs
Others
Companion Animal
Dogs
Cats
Horses
Others
Market Key Players
- BioMérieux SA
- Becton, Dickinson and Company (BD)
- Thermo Fisher Scientific
- Bruker Corporation
- Mast Group Ltd
- Condalab
- Bioguard Corporation
- Liofilchem S.r.l.
- HiMedia Laboratorie s Bio-Rad Laboratories
Market Dynamics
Driver
The growing threat of antimicrobial resistance (AMR) is a major driver of the Veterinary Antimicrobial Susceptibility Testing (AST) Market. Excessive and inappropriate antibiotic use in animals contributes to the emergence of resistant pathogens that can spread to humans through direct contact, food chains, and the environment. The World Health Organization (WHO) has identified AMR as one of the top global public health threats and recommends reducing routine antibiotic use in healthy animals. According to the World Organisation for Animal Health (WOAH), global antimicrobial use in animals declined by 5% between 2020 and 2022, from 102 mg/kg to 97 mg/kg of animal biomass, reflecting stronger stewardship efforts. Furthermore, WOAH’s ANIMUSE database has collected animal antimicrobial use data since 2015, with 92 countries reporting by 2023. Veterinary AST enables precise antibiotic selection, minimizing unnecessary use and supporting antimicrobial stewardship programs. Increasing regulatory oversight and One Health initiatives integrating human, animal, and environmental health are therefore accelerating demand for AST technologies across veterinary hospitals and diagnostic laboratories.
Trend
A key trend shaping the Veterinary AST Market is the adoption of rapid diagnostic systems and automated susceptibility testing technologies. Traditional culture-based methods often require 24–72 hours to generate results, while molecular and automated AST platforms significantly reduce turnaround times, enabling faster clinical decisions. Veterinary laboratories are increasingly integrating artificial intelligence, digital microbiology, and automated analyzers to improve accuracy and efficiency. The growing emphasis on surveillance is also supporting technological innovation. WOAH’s ANIMUSE platform, launched in 2022, digitalizes antimicrobial use monitoring globally, while international standards increasingly encourage harmonized AMR surveillance. In 2024, WOAH expanded its antimicrobial resistance standards to include companion animals, broadening the scope of veterinary diagnostics. Furthermore, governments and health organizations continue to invest in One Health surveillance systems that link animal and human health data. These advancements are expected to enhance diagnostic capabilities, improve treatment outcomes, and drive wider adoption of AST solutions across livestock and companion animal healthcare settings.
Restraint
Despite growing awareness, limited surveillance infrastructure and the high cost of advanced diagnostic systems remain significant restraints for the Veterinary AST Market. Many countries lack robust antimicrobial resistance monitoring systems in animal health. According to WOAH, nearly 25% of its member countries do not have animal AMR surveillance systems in place, restricting the routine use of susceptibility testing. Small veterinary clinics and livestock farms, particularly in low- and middle-income countries, often face budget constraints that hinder adoption of automated AST instruments and molecular diagnostics. Additionally, sample collection, laboratory processing, and specialized personnel requirements increase operational costs. Data collection also remains fragmented; while pig, poultry, and aquaculture sectors capture antibiotic data for over 90% of production in some regions, dairy and beef sectors still face reporting gaps. These challenges limit widespread implementation of AST programs and may slow market expansion, especially in resource-constrained settings where veterinary diagnostic infrastructure remains underdeveloped.
Opportunity
The expansion of One Health initiatives and global livestock disease surveillance presents substantial opportunities for the Veterinary AST Market. The Food and Agriculture Organization (FAO) estimates that global livestock antimicrobial consumption reached approximately 63,151 tonnes in 2010, with livestock accounting for nearly two-thirds of global antimicrobial use. Studies further estimate that 66–72% of antibiotic consumption occurs in animals, underscoring the need for targeted stewardship strategies. Governments and international organizations are increasingly investing in surveillance systems to monitor antimicrobial use and resistance patterns. WOAH currently comprises 183 member countries, providing a broad framework for global harmonization of AMR monitoring standards. Growing demand for safe food production, export compliance, and sustainable farming practices is expected to increase adoption of AST in veterinary medicine. Emerging economies, particularly in Asia-Pacific and Latin America, offer significant growth opportunities as livestock production expands and regulatory frameworks for antimicrobial stewardship become more stringent.
Conclusion
The Veterinary Antimicrobial Susceptibility Testing (AST) Market is expected to witness robust growth in the coming years, driven by the increasing need to combat antimicrobial resistance (AMR) and improve animal health outcomes. Rising incidences of infectious diseases in livestock and companion animals, coupled with growing awareness regarding the prudent use of antibiotics, are accelerating the adoption of AST solutions worldwide. Regulatory initiatives promoting antimicrobial stewardship and One Health approaches are further strengthening market demand.
Technological advancements in rapid diagnostics, automated testing platforms, and molecular methods are enhancing the accuracy and efficiency of susceptibility testing, enabling veterinarians to make evidence-based treatment decisions. Veterinary hospitals, diagnostic laboratories, and research institutions continue to expand their use of AST technologies to optimize antibiotic therapy and reduce the spread of resistant pathogens.
North America remains a leading market due to its advanced veterinary healthcare infrastructure and strong regulatory framework, while emerging economies offer significant growth opportunities. As global efforts to monitor and control AMR intensify, the Veterinary AST Market is poised for sustained expansion, playing a critical role in safeguarding animal welfare, food safety, and public health.
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