California health officials announced Wednesday that another batch of raw milk from Fresno-based Raw Farm has tested positive for bird flu virus, as dairy farms throughout the state continue to struggle with a widening number of outbreaks.

A Fresno County farm has issued a voluntary recall for a second batch of raw milk after bird flu was found in a sample.

State health officials say the bird flu virus was detected in a retail sample of raw milk from a dairy in Fresno, California