@article { author = {Ali, Reham}, title = {Laboratory Observations of the Veronicellid Slug Biology Laevicaulis stuhlmanni aegypti Ali & Robinson, A new Subspecies and Record in Egyptian Agro-system}, journal = {Egyptian Academic Journal of Biological Sciences, B. Zoology}, volume = {9}, number = {2}, pages = {1-11}, year = {2017}, publisher = {Egyptian Society of Biological Sciences}, issn = {2090-0759}, eissn = {2090-0821}, doi = {10.21608/eajbsz.2017.13434}, abstract = {The veronicellid slug Laevicaulis stuhlmanni aegypti Ali & Robinson (Family: Veronicellidae) is a new subspecies and record that had been discovered for the first timein garden in El Zamalek at Cairo governorate, Egypt.The main biological aspects of theveronicellid slug had been recorded i.e., incubation period, hatchability percentage, life cycle, oviposition, generation period as well as life span. These observations were recorded under laboratory conditions during slug’s activity season starting from March till early December. Biology of veronicellid slug had not adequate study of their life cycle and behavior, especially for new subspecies record in the Egyptian environment. Self-fertilization is the normal breeding system for laying eggs; with big number of egg clutches, that makes the slug is a dangerous invader pest with population for attacking any new environment in the future.}, keywords = {Life cycle,Veronicellidae,biological aspects,Self-fertilization,Egypt}, url = {https://eajbsz.journals.ekb.eg/article_13434.html}, eprint = {https://eajbsz.journals.ekb.eg/article_13434_5dc98754a63ae5bf7c26a9f8d88ffda0.pdf} } @article { author = {Abo-Zeid, Faten and Fares, Nagui and Mahmoud, Yomna I and Mahmoud, Asmaa}, title = {Effects of Dehydroepiandrosterone on Gross Morphology and Behavior of Perimenopausal Rats}, journal = {Egyptian Academic Journal of Biological Sciences, B. Zoology}, volume = {9}, number = {2}, pages = {13-22}, year = {2017}, publisher = {Egyptian Society of Biological Sciences}, issn = {2090-0759}, eissn = {2090-0821}, doi = {10.21608/eajbsz.2017.13435}, abstract = {The androgenic adrenal steroid dehydroepiandrosterone (DHEA) has many biological activities. It decreases with age, so exogenous DHEA supplementation is being commonly used especially in the perimenopausal women. The objective of the study was to determine the side effects of DHEA on perimenopausal rat's. DHEA was administered at 3 doses: 50, 75, and 150 mg/kg for two consecutive months. The results showed that DHEA administration decreases the body weight gain, causes dorsal fur loss, with many behavioral changes. The observations increased in a dose-dependent manner. Based on the current data, high doses of DHEA have adverse effects on body weight, fur density, and behavior of perimenopausal rats.}, keywords = {Dehydroepiandrosterone,perimenopause,rat}, url = {https://eajbsz.journals.ekb.eg/article_13435.html}, eprint = {https://eajbsz.journals.ekb.eg/article_13435_d51cb5e22ad533391e53f6b7bae0de44.pdf} } @article { author = {A., Essawy and M., Beeker and G., Abdel-Wahhab and N., Sayad and R., Saber}, title = {Efficacy of Moringa oleifera Aqueous Extract in Inhibiting Tamoxifen®-Induced Physiological Hepatic Deterioration in Male Albino Rats.}, journal = {Egyptian Academic Journal of Biological Sciences, B. Zoology}, volume = {9}, number = {2}, pages = {23-37}, year = {2017}, publisher = {Egyptian Society of Biological Sciences}, issn = {2090-0759}, eissn = {2090-0821}, doi = {10.21608/eajbsz.2017.13436}, abstract = {Tamoxifen citrate (TAM) is a widely used drug in breast cancer treatment. It showed a degree of hepatic carcinogenesis. The purpose of this study was to elucidate the antioxidant capacity of Moringa oleifera aqueous extract (MAE) against TAM-induced liver injury. A model of liver injury in male rats was done by orally administration of TAM in a dose of 3mg/Kg/3days for consecutive six weeks to evaluate the drug-toxicity in combination with MAE in a dose of 300mg/Kg/day for similar period. The model of TAM-intoxication elicited significant elevation in serum alanine aminotransferase (ALAT) and aspartate aminotransferase (ASAT) activities as well as hepatic levels of the oxidative stress markers (MDA and NO),lipid profiles and inflammatory marker(TNF-α) associated with a significant depletion of anti-oxidative marker (GSH).The oral administration of MAE in combination with TAM-intoxicated rats, resulted in significant improvements in ALAT,ASAT and anti-oxidative marker (GSH)with significant decrements in MDA, NO and lipid profiles. The data obtained from this study speculated that MAE has the capacity to scavenge free radical and can protect against oxidative stress induced by TAM intoxication. Supplementation of MAE could be useful in alleviating tamoxifen-induced liver injury in rats.}, keywords = {tamoxifen,Liver,Moringa,Extract Antioxidant,Rats}, url = {https://eajbsz.journals.ekb.eg/article_13436.html}, eprint = {https://eajbsz.journals.ekb.eg/article_13436_f803ca31dadb19e1ef07379ec066fa5c.pdf} } @article { author = {Kandil, Randa and A., Ahmed}, title = {Rat Damage Assessment and Evaluation of some Methods of Control for Rattus rattus on Date Palm and Orange Trees in New Reclaimd Land.}, journal = {Egyptian Academic Journal of Biological Sciences, B. Zoology}, volume = {9}, number = {2}, pages = {39-44}, year = {2017}, publisher = {Egyptian Society of Biological Sciences}, issn = {2090-0759}, eissn = {2090-0821}, doi = {10.21608/eajbsz.2017.13437}, abstract = {Rodent damage assayed in date palm and orange trees in different locations at El- Wady El- Gadid Governorate (El-Kharga, El-Dakhla, Gharb El-Mawhob and El–Farafra) as new reclaimed lands. In addition, two control methods were studied i.e. chemical control (zinc phosphide and diphacinone anticoagulant bait) and mechanical control (Aluminum sheet rolled around the trees, clean around the trees by rake, the weeds around the trees were removed, demolition of rat burrows by axe and muslin covered the date). Results showed the damage percentages were 37.06 % in El- Kharga, 45.63 % in El-Dakhla, 0.57% in Gharb El-Mawhob and 4.75% in El- Farafra for date palm. While the damage percentages in sweet orange were 28.16% in El-Kharga, 44.08% in El-Dakhla, 4.78% in Gharb El-Mawhob and 9.14% in El-Farafra. In case of bitter oranges damage percentage were 18.61, 28.28, 4.12 and 4.15 % in El-Kharga, El-Dakhla, Gharb El-Mawhob and El–Farafra, respectively. The results of chemical control showed that diphacinone bait was more effective than zinc phosphide. Whereas, zinc phosphide gave 72.43%, while diphacinone achived 89.26 % population reduction of rats in date palm. Concerning orange trees, it was 69.30 and 86.79 % population reduction of rats.    Regarding the mechanical methods, the damage percent in date palm declined      to zero percentage after using aluminum sheets around palm stem, clean around the palm, remove the weeds and demolition of rat burrows in date palm. While, in case of using the muslin cover, percentage the damage not decreased in date palm. The average damage percentage after using the chemical and mechanical control on date palm in El- Dakhla were 1.39, 1.80 and 0.00 % by zinc phosphide, diphacinone and aluminum sheets, respectively. In conclusion, mechanical control of rats on palm was better than the chemical methods to protect the environment from the impact of rodenticides especially in new reclaimed land.}, keywords = {Rat damage assessment,Zinc Phosphide,diphacinone,mechanical control}, url = {https://eajbsz.journals.ekb.eg/article_13437.html}, eprint = {https://eajbsz.journals.ekb.eg/article_13437_0eeea0f905d22f64907d8aaced3da718.pdf} } @article { author = {Salman, Muhammad and Kasem, Naglaa and Mohareb, Shaymaa and Khalil, Atef}, title = {Ameliorative effects of Nigella sativa and vitamin E on the toxicity induced by liver extract of Lagocephalus spadiceus in male Albino rats}, journal = {Egyptian Academic Journal of Biological Sciences, B. Zoology}, volume = {9}, number = {2}, pages = {45-59}, year = {2017}, publisher = {Egyptian Society of Biological Sciences}, issn = {2090-0759}, eissn = {2090-0821}, doi = {10.21608/eajbsz.2017.13438}, abstract = {This study was aimed to investigate the curative effect of some antioxidants such as Nigella sativa seeds and vitamin E on hematological, biochemical disorder and histopathological alteration induced by liver extract of puffer fish Lagocephalus spadiceus in male Albino rats.  Five groups of adult male Albino rats were established (n= 10). Group 1: rats were administered normal saline for 10 days and served as normal group (1 ml / 100gm per b. w.) intraperitoneally for 10 days. Group 2: rats were injected intraperitoneally daily, for 10 days, with L. spadiceus liver extract and served as control group (1ml/100gm per b. w.). Group 3: rats were oral administration of Nigella sativa extract for 30 days after daily injected, with L. spadiceus liver extract for 10 days. Group 4: rats were oral administration of vitamin E daily for 30 days after daily injected with L. spadiceus liver extract for 10 days. Group 5: rats were daily oral administration of Nigella sativa extract + vitamin E for 30 days after daily injected with L. spadiceus liver extract for 10 days.  In the control group (gp. 2) hematotoxicity was determined by a significant decrease in red blood cells (RBCs), haemoglobin (Hb) and PCV value, with marked elevation in white blood cells (WBCs) and blood Platelets (PLTs),  as well as there are an elevation in serum ALT, AST, ALP, creatinine, urea and uric acid associated with reduction in albumin and Total protein. In addition to, degenerative and necrotic changes showed in liver and kidneys. It could be concluded that Nigella sativa and vitamin E, clarified a modulatory role against the cellular damage produced by free radicals induced by L. spadiceus liver extract.}, keywords = {Lagocephalus spadiceus,Tetradotoxin(TTX),Nigella Sativa,Vitamin E}, url = {https://eajbsz.journals.ekb.eg/article_13438.html}, eprint = {https://eajbsz.journals.ekb.eg/article_13438_014d155d55e97b5a9dbc93314663df57.pdf} } @article { author = {Alqahtan, Abdulaziz}, title = {Ecological Notes on Snake Diversity in Tathleeth District, Aseer Region, Southwest of Saudi Arabia}, journal = {Egyptian Academic Journal of Biological Sciences, B. Zoology}, volume = {9}, number = {2}, pages = {61-70}, year = {2017}, publisher = {Egyptian Society of Biological Sciences}, issn = {2090-0759}, eissn = {2090-0821}, doi = {10.21608/eajbsz.2017.13439}, abstract = {The study was carried out in Tathleeth governorate at Aseer region of southwestern Saudi Arabia which is considered the largest district in the region. It lies between    18o 42' - 20o 00' N and 34o 20' - 44o 30' E. The major habitats of the study area were ecologically described and their snake fauna were surveyed in spring 2015 to summer 2017. The present survey contained a checklist of 92 specimens belonging to 12 species and 6 families. These species were Psammophis schokari, Rhagerhis moilensis, Spalerosophis diadema cliffordi, Platyceps rhodorachis rhodorachis (Colubridae),Cerastes gasperettii, Echis coloratus, Bitis arietanus arietanus (Viperidae), Naja haje arabica,Walterinnesia aegyptia (Elapidae), Eryx jayakari (Boidae), Atractaspis engaddensis (Atractaspididae), and Leptotyphlops macrorhynchus(Leptotyphlopidae). Regarding species richness, Colubridae were represented by 42.8% followed by Viperidae 27.2%, Elapidae (7.7%). Boidae (12%), Atractaspididae (8%) and Leptotyphlopidae (2.2%) and were represented by 3 species with 12 samples in total. This study was suggested to highlight on the diversity of snake’s fauna of Tathleeth District, Aseer region, south west of Saudi Arabia, as an important part of the ecosystem that has to be maintained.}, keywords = {Herpetology,Ecology,snakes,biodiversity,Saudi Arabia}, url = {https://eajbsz.journals.ekb.eg/article_13439.html}, eprint = {https://eajbsz.journals.ekb.eg/article_13439_a9f820cb1f8bf5762929ebc609d27d99.pdf} }