BIS replaces guinea pig test for pathogen detection By IANS | Published on Tue, Feb 2 2021 14:21 IST | 0 Views BIS replaces guinea pig test for pathogen detection. Image Source: IANS News New Delhi, Feb 2 : A test used on guinea pigs to detect and identify pathogenic organisms that make animal feed unfit for consumption has been replaced by another standard test by the Bureau of Indian Standards (BIS). The move will save countless guinea pigs from painful deaths due to injection of pathogens, the People for the Ethical Treatment of Animals (PETA-India) said in a statement. The BIS move followed PETA recommendations, the body said.