In 2013, the Animal Rights Center signed a petition calling for the abolition of gestation stalls at five major Japanese meat companies: Nippon Ham, Prima Meat Packers, Itoham Foods, Starzen, and Marudai Food, and submitted the signatures collected that year. Ten years have elapsed since then, and all five companies have clarified their stance on the abolition of gestation stalls. Prima Meat Packers was the first company to make its position clear, stating in 2020 that it would not construct any new piggeries using gestation stalls in the future.　Then, in November 2021, Nippon Ham announced that it would transition all gestation stalls on its domestic farms to herd rearing by…