Cobalt

In the last three years, actually since the worldwide financial crisis started – which coincided with the founding of my consulting service (I trust the two are not related!) – I have reviewed a lot of premix formulas with a ‘mandate’ to reduce cost.  One of the first victims that I hunt down religiously is cobalt. I understand that before the commercial development of vitamin B12, cobalt was given to pigs to promote bacterial production of B12 in the gut, which B12