Animal euthanasia It was proposed that the presence of pentobarbital in dog food may have caused dogs to become less responsive to the drug when being euthanized. However, a 2002 FDA study found no dog or cat DNA in the foods they tested, so it was theorized that the drug found in dog food came from euthanized cattle and horses. Furthermore, the level of the drug found in pet food was safe. Animal euthanasia Animal euthanasia (euthanasia from ; "good death") is the act of putting an animal to death or allowing it to die by withholding extreme medical measures. Reasons for
Animal model of autism Stephanie White at the University of California Los Angeles, who studied mutations in the FOXP2 gene and its potential role in learned vocalization in both songbirds (specifically the zebra finch) and humans. In 2013, a study was published by Swiss researchers which concluded that 91% (31 out of the 34 studies reviewed) of valproic acid-autism studies using animal models suffered from statistical flaws—specifically, they had failed to correctly use the litter as a level of statistical analysis rather than just the individual (i.e., an individual mouse or rat). Animal model of autism The development of an animal model of autism