النتائج (
الإنجليزية) 3:
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The poultry industry has developed a lot in recent years, before the growth rate greatly increased. This is not only due to genetic improvement, nursing and advanced breeding methods, but also due to a balanced diet. In addition, feed additives play an important role in this development because they add Poultry diets stimulate growth and improve performance, such as weight gain and nutrient conversion factors.<br>Feed additives include antibiotics, yeast, prebiotics and enzymes. And so on.<br>Different antibiotics are added to poultry diets as growth stimulants, such as oxytetracycline, Chlorotetracycline and many others, in order to gain weight, but over time, show a bad effect The use of antibiotics as human health feed additives, due to the presence of residues in poultry meat, is consumed by humans.<br>Therefore, scientists are looking for the use of natural substances extracted from some plants.<br>Its most important characteristics are its lethality and Allelopathy of bacteria and fungi as well as its activation of the gastrointestinal tract, that is, antioxidants and immune system activators.<br>It includes cloves and garlic.<br>
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