Vitamin Variability in Feed Ingredients

Newsletter No. 73 - Item 3

Originally Roche, but now DSM, irregularly produce interesting nutritional fact sheets with excellent information.  The article Nutrition at Work – Vitamin Variability (no longer available), discussed the dangers in modern nutrition of dependency on average or theoretical levels.  The article explained this very simply, including a discussion recognising that even if an ingredient samples at a certain level of vitamins, they may not be available to the animal.

This table illustrates the variability with Vitamin E comparing average and the significant range.  These variations are seen in all the vitamins and many minerals.  Today leading nutritionists supplement all the required vitamins with any vitamins contained in the ingredients taken as a bonus.


Comparative Vitamin E Conten of Various Feed Ingredients


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