NUTRITIONAL STUDIES ON SOME FRESH WATER FISHES | ||||
| Menoufia Journal of Animal Poultry and Fish Production | ||||
| Article 1, Volume 6, Issue 7, August 2022, Page 133-134 PDF (119.81 K) | ||||
| Document Type: Original Article | ||||
| DOI: 10.21608/mjapfp.2022.258792 | ||||
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| Authors | ||||
| D. M.S. EL-Saidy1; G. A. Zanaty2; A. M. El-Hais3; Ebtehal E. M. Hussein4 | ||||
| 1In memory prof. of Fish Nutrition, Fac. of Agric., Menoufia Univ. | ||||
| 2Prof. of Poultry Nutrition, Fac. of Agric., Menoufia Univ. | ||||
| 3Prof. of Fish Nutrition, Faculty of Agriculture, Tanta University. | ||||
| 4Assistant Prof. of Fish Nutrition,Department of Poultry and Fish Production, Faculty of Agriculture, Menoufia University. | ||||
| Abstract | ||||
| This study was conducted in the Fish laboratory at Poultry and Fish Department, Faculty of Agriculture, Menoufia University. It was consisted of two experiments to evaluate the effect of some feed additives in the diets for mono-sex Nile Tilapia and common carp fries. The obtained results showed that the supplementation of zeolite at 10 g/kg diet improved the growth and feed utilization. The minerals composition of fish feces indicated that Fe in feces increased by increasing the dietary zeolite and it was excreted and did not accumulate in the fish body. However, the inclusion of marjoram leaves in the diets for common carp fries had a positive effect on the growth performance and the best addition was 2.5 g/kg diet. No diet-related histopathological changes were noted in all examined tissues of the fish among all treatments in both experiments. | ||||
| Keywords | ||||
| Marjoram; common carp; diet; growth; histology | ||||
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