specialists of a scientific company succeeded in producing the third generation of damutior feed supplement bread in the country. this product was a monopoly of an american company, which is now at a third of the price of a foreign sample in the country. one of the vital mineral elements in livestock, poultry and aquatic food is zinc, which by affecting the activity of more than 300 enzymes in the body of these animals plays an important role in the growth of egyptian production and most importantly in the immune system. they have such that even a slight lack of this element is a structural problem. to meet this need, a knowledge -based company using nanotechnology. the third generation produced mineral supplements for poultry feed. our product is called the third generation nano zinc mineral supplements for all kinds of feed for livestock, poultry, aquatic animals, horses and pets. the third generation of nano plates are made of zinc, which are resistant to temperature and humidity. they do not lose quality over time. they have a very high efficiency and there is no effect of absorption in