CAHFS is composed of three livestock and poultry laboratories in Davis, Tulare, and San Bernardino and a poultry laboratory in Turlock. With its strategically located laboratories, CAHFS is uniquely positioned to serve California's animal industries.

CAHFS operating hours are Monday - Friday from 8:00 am - 5:00 pm except holidays. After-hours and weekend submissions are accepted at the discretion of the on-call diagnostician; extra fees will apply. Contact your laboratory for instructions.