In some cases it's also plainly about animal ethics - "don't boil the calf in the mother's milk" - which tends to be a strong focus when you live with the anima

In some cases it's also plainly about animal ethics - "don't boil the calf in the mother's milk" - which tends to be a strong focus when you live with the animals you eat; cf. essentially all indigenous people (as well as Islam and Judaism) who have religious seremonies attached to slaughter, and believe this reduces animal suffering (also in Islam and Judaism).