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Maximum values of fat and connective tissue for ingredients which are labeled “… meat” (Leitsätze für Fleisch und Fleischerzeugnisse, 2015).

 
Species Fat (%) Ratio collagen/muscle protein†
Mammals (except for rabbits and pigs) and blends of species where mammals predominate 25 25
Pigs 30 25
Birds and rabbits 15 10
The ratio collagen/muscle protein corresponds to the percentage of collagen contained in the muscle protein. The collagen content is calculated as the content of hydroxyproline multiplied with factor 8.