Histopathological changes in some organs of Japanese quail after different levels of jojoba meal

Aim of the work-The present study was conducted to investigate the effect of different jojoba meal as a replace of soybean protein and to detect the histopathological changes in some organs of Japanese quail (one week old) for 5 weeks.Material and methods-The present study included two experiments, the first aimed to investigate the incorporation of treated jojoba meal seed (bentonite + autoclaving + fungus) in Japanese quail diets as replacer to soybean meal protein and to detect the histopathological changes in some organs of the Japanese quail .The treated jojoba meal was incorporated in the experimental diets to replace 0 (control); 4 (T1); 8 (T2) and 12% (T3) of soybean meal protein. The second experiment, dietary treatment included the control diet (The same control of experiment I) and groups 2 (UT1), 3(UT2), 4 (UT3), 5 (UT4), which were supplied with untreated jojoba meal at 0.0, 0.2, 0.4, 0.6 and 0.8% levels, respectively Results- Observations of the present study showed that liver of T2 group revealed ruptured endothelial lining of the central vein, and T3 group showed elongated walls of the bile ducts. Ileum of T2 group showed highly thickened muscle layer and ileum of T3 group showed distorted tissue. Kidney of T2 group showed congested inters tubular spaces and T3 group showed normal convoluted tubules with congested and dilated blood vessels. Testis of T2 & T3 groups showed hypocellularity of cells of the spermatognic layers with absence of mature sperms. Ovary of T3 group showed somewhat normal mature ovum with reduced internal content.Results of experiment II showed that the liver tissue was normal.Ileum of birds of UT3 and UT4 groups showed somewhat normal appearance. Kidney of UT3 group showed that some cells of the convoluted tubules were faintly stained with hemorrhagic areas. Testis of UT3 and UT4 groups showed decreased Leydig cells with absence of mature sperms and increased number of primary spermatocytes. Ovary of UT3 group showed reduced stroma, and those of UT4 showed highly reduced storma in the cortex and medulla of the ovary with malformed mature follicles and irregular membranes, but somewhat normal growing follicles.Conclusion-It is clear that 4 %(At the level 1.55) of the treated jojoba meal and 0.4 % untreated meal give the best results.