|Barked: Tue Sep 25, '12 4:37pm PST |
|From the little I have been able to find out cartilage is high in calcium just as tripe is.
This is washed and bleached tripe meant for human consumption, no green stuff that could be what is contributing to calcium content and see the calcium to phosphorus ratio? 1.08:1, just about perfect.
Either the skin and such in pig ear adds a lot more phosphorus to them or ear cartilage is lower in calcium but pig ear is about 1 part calcium to 2 parts phosphorus.
In contrast a random pork muscle/fat choice has the calcium to phosphorus at 1:10 so pig ear has a lot more calcium than regular meat.
I would consider gullets to be a balanced meal as far as calcium/phosphorus but it is probably not very rich in vitamins and minerals so it would be an occasional meal if I ever got a hold of any!
I don't see my RMB page at the moment, here is chicken feet. They are very bony and the calcium to phosphorus ratio is stated as 2.77:1. So they make a lousy meal on their own since we are looking for more like 1.2:1 but with about double the weight in added meat they work out fine.
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