The meat, dairy, etc. industry are horrifying all around the world. Some countries are just better at playing it down than others

There are more than 1,000 US-style mega-farms in England, Wales and Northern Ireland, including some holding as many as a million animals

https://www.theguardian.com/environment/2022/aug/18/uk-has-more-than-1000-livestock-mega-farms-investigation-reveals

Both for the non-human animals as well as the workers

Revealed: exploitation of meat plant workers rife across UK and Europe

https://www.theguardian.com/environment/2021/sep/28/revealed-exploitation-of-meat-plant-workers-rife-across-uk-and-europe

Together, poultry slaughtering and processing companies reported more severe injuries to the US Occupational Safety and Health Administration (OSHA) than many industries that are popularly recognized as hazardous, such as sawmills, industrial building construction, and oil and gas well drilling

https://www.hrw.org/report/2019/09/04/when-were-dead-and-buried-our-bones-will-keep-hurting/workers-rights-under-threat

Related: The infectious disease trap of animal agriculture

Infectious diseases originating from animals (zoonotic diseases) have emerged following deforestation from agriculture. Agriculture can reduce its land use through intensification, i.e., improving resource use efficiency. However, intensive management often confines animals and their wastes, which also fosters disease emergence. Therefore, rising demand for animal-sourced foods creates a “trap” of zoonotic disease risks: extensive land use on one hand or intensive animal management on the other