Black cumin and garlic powder in poultry diets

The use of black cumin and garlic powder in poultry feed has received considerable attention in recent years, mainly because of their high nutritional and therapeutic values. What is their mode of action and their effect on poultry health and performance?   By Dr Salah H. Esmail , Cairo, Egypt Black cumin (Nigella sativa L.) is widely grown in the Mediterranean region, and has long been used as a therapeutic and flavouring agent in human food, particularly bakery products. More rece