Good luck eating a cow fresh out of the pasture.
[0]https://www.news.com.au/lifestyle/food/eat/bodybuilder-brian...
[1]https://nypost.com/2021/10/05/man-has-lived-on-raw-meat-diet...
[0] https://www.greatveganathletes.com/category/vegan-bodybuilde...
You can buy beef that is frozen the same day its butchered from small local farms, and from the people I know who have done that (and have half a cow in their chest freezers to prove it), it's absolutely delicious and tender.