Carnivorous animals in zoos reproduced when fed whole animals, including organs, not just muscle meat, highlighting the importance of organ nutrients.

“they feed the animal I think the Lions they said they feed a grind and cuddly probably what you feed your animals they feed a grind the whole animal they don't just feed him muscle meat and there's plenty of documentation of this that in the past historically in these zoos when they fed Lions just muscle meat the Lions became infertile they had to feed the Lions liver and all the organs to get back the reproductive capabilities because of the vitamin A and the way that vitamin A is metabolized in humans or the way the vitamin A is metabolized in mammals especially Lions but similarly in humans and they also be the lion bones so they'll give it a lie in a bone every week but basically they give the lion you know just like a ground-up animal with like all the fat all the organs and then bones and that's that's otherwise when they just get the meat they're like the loma linda lion yeah with the lion and they don't they don't want to meat but they feed line ten pounds of this stuff a day”

“there's plenty of documentation of this that in the past historically in these zoos when they fed Lions just muscle meat the Lions became infertile they had to feed the Lions liver and all the organs to get back the reproductive capabilities because of the vitamin A and the way that vitamin A is metabolized in humans or the way the vitamin A is metabolized in mammals especially Lions but similarly in humans and they also be the lion bones so they'll give it a lie in a bone every week but basically they give the lion you know just like a ground-up animal with like all the fat all the organs and then bones and that's that's otherwise when they just get the meat they're like the loma linda lion yeah with the lion and they don't they don't want to meat”