There’s nothing natural about being slaughtered against your will.

this assumes non-human animals have a will to live. this would require an understanding that they, themselves, might die. we have no proof of understanding personal mortality in non-human animals (though, if you have a study that shows otherwise, i would be very interested to see it). therefore, we have no reason to believe nonhuman animals have a will to live.

cows can live 15 to 20 years if they have protection from predators, and weather, and disease, and access to enough nutritious food, clean water, and veterinary care.

their natural life span, being a domesticated animal, is usually about 18-20 months.

the vast majority of make dairy calves are brought to full weight before slaughter: 18-20 months