Unfortunately this is far from a US only thing. It is worse in the US, but it’s still everywhere. Factory farming is rather high globally, including Canada where I’m going to assume you are from based on your instance

It’s estimated that three-quarters – 74% – of land livestock are factory-farmed. That means that at any given time, around 23 billion animals are on these farms.

[…]

Combine land animals and fish, and the final estimate comes to 94% of livestock living on factory farms

https://ourworldindata.org/how-many-animals-are-factory-farmed

It is a pervasive myth, supported by misleading industry advertising, that Canada does not have factory farms. Canada does, in fact, have factory farms, with the average chicken farm housing as many as 36,000 chickens.

https://mercyforanimals.org/blog/canada-chicken-farming-2024/

Like many Republican lead US-states, various conservative lead Canadian provinces have also tried put Ag-gag laws in place to limit filming of factory farms

https://en.wikipedia.org/wiki/Ag-gag#Canada