Effect of Fish meal and Plant protein alternatives on the histological picture of different organs on Nile tilapia in Egypt | ||
| Benha Veterinary Medical Journal | ||
| Article 35, Volume 28, Issue 2, June 2015, Pages 273-282 PDF (621.5 K) | ||
| Document Type: Original Article | ||
| DOI: 10.21608/bvmj.2015.32513 | ||
| Authors | ||
| Ismaiel Y. M.1; Khedr N.A.2; Ahmed T.E.2 | ||
| 1Qena Vet. Service | ||
| 2Department of Nutrition and Clinical Nutrition, Faculty of Veterinary Medicine, Benha University | ||
| Abstract | ||
| The present study was designed to investigate the effect of utilization of Fish meal and plant protein alternatives of commercial protein supplements in diets of Nile tilapia in the terms of histological changes in liver, gills and Musculature tissue. A total of 42 apparently healthy Nile tilapia (O.niloticus) with an average weight of 21.24+1.03g, randomly divided into three comparable groups (14 fish each) based on type of diet protein supplement to be either fish meal (Gr. A), Soybean meal (Gr. B) or cotton seed meal (Gr. C). 52 days post feeding histological examination of liver showed hyperemic central vein and sinusoid with focal pigmentation in (Gr. A), Intra cytoplasmic round circumscribed fat vacuoles in (Gr. B) and Hyperemic central vein and sinusoids with focal extravasations of red cells surrounding the central veins in (Gr. C). Musculature tissue showed Degenerated muscle bundles in (Gr. A), intact muscle bundles in (Gr. B) and Hyper-cellularity in focal manner in Gr. C. while the gills showed Focal extravasation of red cells in the arch in (Gr. A), vascular lining epithelium with hyperplasia in the gill rakers in Gr. B and Hyperplasia and vacoulation the lining cells of the gill rakers in (Gr. C). In conclusion feeding Nile tilapia on soybean meal may be the better choice as protein supplement alternative due to its positive effect on the musculature tissue, no clinical signs beside it is much safer | ||
| Keywords | ||
| histology; Liver; cottonseed meal; fishmeal; soybean meal; alternatives; Nile tilapia | ||
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