PETA: Animal Killings Pick Up Speed 1. April 2023 animal welfare, anti-zoo-initiatives, education, media-echo Exklusively for zoos.media – 10.02.2023. Author: Philipp J. Kroiß The kill rate in PETA’s animal shelter has risen significantly once again. In 2022, PETA killed more animals than it had since 2014: over 2,000 dogs, cats, and other pets.