Composition of basic food (Society of Animals Nutrition “SNA”, Sfax, Tunisia). This food consists of corn, soya, VMC (vitamins minerals compound) with the following characteristics.
| Nutritional properties (%) | |
| Moisture (maximal) | 14 |
| Fibers (maximal) | 5 |
| Proteins (minimal) | 18 |
| Fat (maximal) | 3 |
| Ash (maximal) | 13.5 |
| Carbohydrate | 46.5 |
| Calorific value (kcal kg−1) | 2846 |
| Amino acid (%) | |
| Methionine | 0.36 |
| Cysteine | 0.26 |
| Threonine | 0.62 |
| Tryptophan | 0.2 |
| Mineral mix (mg kg −1 ) | |
| Manganese | 80 |
| Fer | 48 |
| Cuivre | 18 |
| Zinc | 64 |
| Selenium | 0.28 |
| Cobalt | 0.2 |
| Iode | 2 |
| Vitamin and antioxidant (mg kg −1 ) | |
| Vitamine A | 11 200 |
| Vitamine D3 | 2800 |
| Vitamine H | 25 |
| Antioxidant (BHA–BHT) | 100 |