The body needs vitamin B12 to make neurotransmitters and hemoglobin. Prevention of Vitamin B12 deficiency allows animals to withstand worms better. Vitamin B12 also helps in the repair of damage after a worm burden has been removed.

Physiological importance:

• it’s important for growth process

• it helps the good functioning of nervous system

• it is involved in the production of blood cells

Deficiency symptoms:

• anomalies in growth

• anemia

• nervous disorders