Veterinary Antimicrobial Susceptibility Testing Market to Reach USD 2.23 Billion by 2033, Driven by Rising Antimicrobial Resistance, Veterinary Diagnostics & Antimicrobial Stewardship

The global Veterinary Antimicrobial Susceptibility Testing Market reached US$ 1.21 billion in 2025 and is expected to reach US$ 2.23 billion by 2033, growing at a CAGR of 5.0% during 2026-2033. The market is gaining momentum with the increasing prevalence of antimicrobial resistance (AMR) in animals, rising demand for accurate veterinary diagnostics, and growing emphasis on antimicrobial stewardship across companion and livestock animal healthcare. The need for targeted treatment and responsible antimicrobial use is further supporting market expansion.

A major shift toward precision-based veterinary diagnostics and responsible antimicrobial management is creating new opportunities for susceptibility testing solutions. Veterinary laboratories and animal healthcare providers are increasingly adopting advanced testing methods to identify effective treatments and reduce inappropriate antimicrobial use. Rising AMR concerns, improved veterinary diagnostics, antimicrobial stewardship, livestock healthcare needs, and growing companion animal care are expected to drive steady market growth through 2033.

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Recent Developments

August 2026: Globally, veterinary antimicrobial susceptibility testing development increasingly focused on rapid AST, automated susceptibility testing, antimicrobial resistance surveillance, multiplex diagnostics, and improved pathogen identification to support responsible veterinary antibiotic use.

July 2026: In North America, veterinary laboratories continued advancing automated AST platforms, broth microdilution, disk diffusion, molecular diagnostics, and digital laboratory workflows for faster detection of antimicrobial resistance in animal pathogens.

June 2026: In Europe, the industry increasingly emphasized One Health antimicrobial-resistance surveillance, standardized veterinary AST protocols, antimicrobial stewardship, rapid diagnostics, and laboratory data integration across animal-health systems.

May 2026: In Asia-Pacific, adoption of veterinary microbiology testing, rapid pathogen detection, antimicrobial susceptibility testing, diagnostic laboratories, and resistance monitoring continued expanding alongside livestock and companion-animal healthcare.

April 2026: The market continued shifting toward AI-assisted susceptibility interpretation, automated laboratory systems, rapid phenotypic testing, molecular resistance detection, digital reporting, and integrated antimicrobial-resistance surveillance.

Mergers & Acquisitions
bioMérieux: Continued strengthening its microbiology, antimicrobial susceptibility testing, pathogen identification, veterinary diagnostics, and antimicrobial-resistance capabilities through technology development and strategic initiatives.

IDEXX Laboratories: Continued advancing its veterinary diagnostics, microbiology, infectious-disease testing, antimicrobial susceptibility testing, and laboratory information solutions.

Thermo Fisher Scientific: Continued expanding its microbiology, antimicrobial susceptibility testing, pathogen identification, molecular diagnostics, and laboratory testing portfolio.

QIAGEN: Continued developing its molecular diagnostics, pathogen detection, antimicrobial-resistance testing, and veterinary diagnostic capabilities through technology innovation and strategic collaborations.

Industry Consolidation: Strategic activity is increasingly centered on veterinary AST, antimicrobial resistance, pathogen identification, rapid susceptibility testing, automated microbiology, broth microdilution, disk diffusion, molecular resistance detection, One Health surveillance, antimicrobial stewardship, digital laboratory systems, and veterinary infectious-disease diagnostics.

Key Players
BioMérieux SA | Becton, Dickinson and Company | Synbiosis | Thermo Fisher Scientific | Bruker Corporation | Condalab | Liofilchem S.r.l. | HiMedia Laboratories | Bio-Rad Laboratories | Hardy Diagnostics | Others

Key Highlights
BioMérieux SA - Holds a 18.0% share, supported by its extensive microbiology diagnostics portfolio, antimicrobial susceptibility testing technologies, veterinary diagnostic capabilities, and global presence.

Thermo Fisher Scientific - Holds a 15.0% share, driven by its broad microbiology, antimicrobial testing, laboratory instrumentation, and diagnostic solutions serving veterinary and research applications.

Becton, Dickinson and Company - Holds a 13.0% share, strengthened by its microbiology systems, automated susceptibility testing technologies, laboratory consumables, and extensive healthcare distribution network.

Bruker Corporation - Holds a 10.0% share, supported by its advanced microbial identification, mass spectrometry, diagnostic technologies, and analytical solutions for antimicrobial resistance testing.

Bio-Rad Laboratories - Holds an 8.0% share, driven by its microbiology products, antimicrobial susceptibility testing solutions, laboratory systems, and quality-control technologies.

HiMedia Laboratories - Holds an 8.0% share, supported by its culture media, microbiology products, antimicrobial testing materials, and broad laboratory product portfolio.

Liofilchem S.r.l. - Holds a 7.0% share, strengthened by its antimicrobial susceptibility testing products, microbiology reagents, culture media, and diagnostic laboratory solutions.

Condalab - Holds a 6.0% share, driven by its microbiology culture media, susceptibility testing products, and laboratory diagnostic solutions.

Hardy Diagnostics - Holds a 5.0% share, supported by its extensive microbiology culture media, antimicrobial susceptibility testing products, and laboratory consumables.

Synbiosis - Holds a 3.0% share, supported by its automated microbial colony counting, imaging technologies, and microbiology laboratory solutions.

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Market Drivers
Rising prevalence of antimicrobial-resistant infections among livestock and companion animals is increasing demand for antimicrobial susceptibility testing (AST) to guide effective treatment decisions.

Growing concern over antimicrobial resistance (AMR) and the need to reduce inappropriate antibiotic use are encouraging veterinarians and diagnostic laboratories to adopt accurate susceptibility testing methods.

Increasing adoption of antimicrobial stewardship programs in veterinary healthcare is supporting demand for testing that helps identify effective antibiotics and minimize unnecessary antimicrobial exposure.

Growing livestock production and intensification of animal farming are increasing the risk of infectious disease transmission, creating greater demand for veterinary diagnostics and antimicrobial testing.

Rising ownership of companion animals and increasing expenditure on veterinary healthcare are expanding the use of diagnostic testing in dogs, cats, and other household animals.

Growing investments in veterinary diagnostic laboratories, advanced microbiology technologies, and rapid testing platforms are supporting the development and adoption of faster antimicrobial susceptibility testing solutions.

Industry Developments
Increasing development of automated antimicrobial susceptibility testing systems that provide faster and more standardized results for veterinary laboratories.

Growing adoption of molecular diagnostic technologies and rapid pathogen identification methods to complement conventional antimicrobial susceptibility testing.

Increasing integration of artificial intelligence, laboratory automation, and digital data management to improve interpretation and reporting of antimicrobial susceptibility results.

Growing development of veterinary-specific antimicrobial panels covering pathogens and drug combinations relevant to companion animals, livestock, and other animal species.

Increasing emphasis on rapid point-of-care and near-patient susceptibility testing to support timely antimicrobial treatment decisions.

Strategic partnerships, product launches, acquisitions, technology collaborations, and investments among veterinary diagnostic companies, microbiology technology providers, and animal-health organizations are strengthening the competitive landscape.

Regional Insights
North America - 37.60% share: "Led the global veterinary antimicrobial susceptibility testing market in 2025, supported by advanced veterinary healthcare infrastructure, strong adoption of animal diagnostics, increasing antimicrobial-resistance concerns, and growing implementation of antimicrobial stewardship practices."

Europe - 29.40% share: "Supported by stringent antimicrobial-use regulations, strong focus on antimicrobial stewardship, established veterinary diagnostic networks, and increasing demand for evidence-based antibiotic selection in animal healthcare."

Asia Pacific - 23.10% share: "Driven by expanding livestock production, rising companion-animal ownership, increasing veterinary healthcare expenditure, growing awareness of antimicrobial resistance, and improving access to veterinary diagnostic technologies."

Latin America - 5.80% share: "Supported by large-scale livestock production, increasing focus on animal health, growing veterinary diagnostic capabilities, and rising awareness of antimicrobial resistance and responsible antibiotic use."

Middle East & Africa - 4.10% share: "Driven by livestock-sector development, improving veterinary healthcare infrastructure, increasing attention to infectious animal diseases, and growing adoption of diagnostic technologies for responsible antimicrobial use."

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Key Segments
➥ By Product

Automated AST Instruments: Represents the dominant and rapidly growing segment, driven by increasing demand for faster and standardized antimicrobial susceptibility testing, improved diagnostic accuracy, automation of laboratory workflows, and rising focus on antimicrobial resistance in veterinary medicine.

Disks & Plates: Represents a significant segment, supported by widespread adoption of disk diffusion and plate-based susceptibility testing, affordability, ease of use, and continued use across veterinary diagnostic laboratories.

Culture Media: Represents an important segment, fueled by the essential role of culture media in bacterial isolation, identification, and susceptibility testing, along with increasing demand for reliable veterinary microbiology workflows.

Accessories & Consumables: Represents a growing segment, driven by recurring demand for test consumables, laboratory accessories, sample handling products, and other supporting materials required for routine antimicrobial susceptibility testing.

➥ By End-User

Veterinary Reference Labs: Represents the dominant segment, driven by increasing demand for specialized veterinary diagnostics, growing antimicrobial resistance surveillance, high testing volumes, and the availability of advanced laboratory infrastructure.

Veterinary Research Institutes: Represents a significant and growing segment, supported by increasing research into antimicrobial resistance, pathogen susceptibility, veterinary therapeutics, and development of improved antimicrobial stewardship strategies.

Others: Represents an expanding segment, supported by adoption of antimicrobial susceptibility testing across veterinary hospitals, diagnostic centers, academic institutions, and other animal healthcare facilities.

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