The CAHFS Virology service provides virus isolation for identification of new and emerging viruses. Virus isolation is available to determine presence of live infectious agents, monitor viruses for genetic changes, and meet testing requirements for animals being exported to other countries.

CAHFS offers:


CAHFS Aquaculture service, located at our San Bernardino laboratory, provides comprehensive necropsy, histopathology and selected ancillary testing on commercial, small pond, aquarium and ornamental fish.

CAHFS offers:

Food Pathogen

The San Bernardino laboratory provides surveillance and diagnostic testing on milk and dairy products submitted by the Milk and Dairy Food Safety Branch of the California Department of Food and Agriculture. Dairy food pathogen testing is a critical element to ensure particular bacteria that can cause serious illness in people, such as Salmonella, E. coli O157, Listeria, Campylobacter or Brucella, are not present in dairy foods for human consumption.

Holiday Schedule

May 27, 2024Memorial DayCLOSEDJune 19, 2024Juneteenth DayCLOSEDJuly 4, 2024Independence DayCLOSEDSeptember 2, 2024Labor DayCLOSEDNovember 11, 2024Veteran's DayLIMITED SERVICESNovember 28, 2024Thanksgiving DayCLOSEDNovember 29, 2024Day After ThanksgivingLIMITED STAFFING FOR RECEIPT OF URGENT CASESDecember 25, 2024Winter HolidayCLOSED   



Milk & Dairy Lab

In cooperation with the California Department of Food and Agriculture, CAHFS provides specialized dairy product quality testing in our Milk & Dairy Chemistry and Milk & Dairy Microbiology laboratories located at our San Bernardino laboratory.

Milk & Dairy Chemistry

CAHFS operates as the State of California's central reference laboratory for measuring dairy products for their wholesomeness and nutrient makeup. This quality assurance program ensures dairy products are compliant with regulations, protecting both the consumer and the producer.

Quality Assurance and Accreditations

CAHFS is committed to achieving and maintaining the highest standard of quality in all aspects of our work.

Our quality system, along with our accreditation and certification to various standards, ensures that we are meeting or exceeding client and government agency expectations by:

Advisory Board

The Veterinary Diagnostic Laboratory Board was created to jointly advise the University of California and the California Department of Food and Agriculture (CDFA) on all aspects of CAHFS operations. Members include representatives from California's livestock and poultry industries and practicing veterinarians. CAHFS, CDFA, and USDA representatives serve as ex-officio members.

Jack Hanson



Chuck Ahlem