• Vitamin E is an antioxidant and is necessary for the stability and function of muscle tissues. 
• The essential role of selenium is as part of the enzyme glutathione peroxidase; whose function is to prevent free-radical damage to tissue.
• There is a complex interaction between the requirements of selenium and vitamin E whereby either may substitute in part for the other.  
• A deficiency is most frequently seen in young, fast-growing animals, causing degeneration of cardiac, respiratory, and skeletal muscles and neuron degeneration in horses.
• It stimulates the urogenital tract.
• The two amino acids Carnitine and Arginine, increase sperm production and motility.

Birds:
1 mL or 20 drops per 100 ml of drinking water daily for 5 days.