Too little Cobalt
Cobalt (Co) is required for production of vitamin B12. The majority of forages provide adequate cobalt.
Solutions: Cobalt is not always added to feeds or supplements, instead additional B12 is provided. Consider feeding rations or supplements with a high B12 value.
Too much Cobalt
Whilst there are no know toxic effects of a moderate excess on cobalt this situation should be avoided.
Solutions: Consider reducing the level of supplementation in your diet.