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Articles 58291 - 58320 of 256036
Full-Text Articles in Life Sciences
Usf Jamovi Tutorial Project: Open Education Resource, Aline Hitti, Saera Khan
Usf Jamovi Tutorial Project: Open Education Resource, Aline Hitti, Saera Khan
USF OER Faculty Grant Projects
Jamovi is an open source free software that USF staff, faculty and student can download to carry out any statistical analyses. The current report summarizes the progress made on an Open Education Resource Grant funded project, which aimed to created Jamovi tutorials. In this report, student feedback and faculty reaction are summarized after one semester of using the tutorials created.
Valorisation Of The Effects Of Bioactive Compounds Of The Ethanolic Extract Of Ramalina Farinacea (Ramalinaceae) On The Development, Eating And Pupation Behavior Of Drosophila Melanogaster (Diptera: Drosophilidae), Fatma Zohra Saadane, Nour El Imene Boublata, Sarra Habbachi, Abir Bouzar, Waffa Habbachi, Abderachid Slimani, Abdelkrim Tahraoui
Valorisation Of The Effects Of Bioactive Compounds Of The Ethanolic Extract Of Ramalina Farinacea (Ramalinaceae) On The Development, Eating And Pupation Behavior Of Drosophila Melanogaster (Diptera: Drosophilidae), Fatma Zohra Saadane, Nour El Imene Boublata, Sarra Habbachi, Abir Bouzar, Waffa Habbachi, Abderachid Slimani, Abdelkrim Tahraoui
Journal of Bioresource Management
Plants are rich in bioactive chemical secondary metabolites and have proven insecticidal activity by killing or repelling insects. In this work, we aim to evaluate the direct and delayed effects of ethanolic plant extracts on the vinegar fly (Drosophila melanogaster). The treatment was performed by ingestion on second instar larvae (L2) to evaluate the impact of the ethanolic extract on development for 15 days and subsequently on the feeding behavior of the larvae. The results of this study indicate a slowing down of pupal growth until the adult stage, at the three concentrations (0.25 µg/ml, 0.5 µg/ml, 1.5 …
Biodiversity Of The Blattopteran Fauna In The Chelia Cedar Forest (The Aures - Eastern Algeria), Nadia Aberkane, Sarra Habbachi, Wafa Habbachi, Nora Belkhiri, Naama Frah
Biodiversity Of The Blattopteran Fauna In The Chelia Cedar Forest (The Aures - Eastern Algeria), Nadia Aberkane, Sarra Habbachi, Wafa Habbachi, Nora Belkhiri, Naama Frah
Journal of Bioresource Management
The cedar forests in Algeria represent a model of forests very rich in entomological fauna and especially dictyopterans, notably blattopterans. In the cedar forest of Chelia in the Aurès Mountains, we chose three different sites according to altitude (2020 m, 1920 m, 1820 m) in order to collect existing cockroaches using the sight-hunting method (twice a month). The inventory allowed us to capture more than 1220 cockroaches and we were able to identify three genus (Dziriblatta, Phyllodromica ,Loboptera) and seven species: Dziriblatta stenoptera, Dziriblatta nigrivintris, Phyllodromica zebra, Pyllodromica trivittata, Phyllodromica sp, Loboptera angulata, Loboptera alluaudi, of which …
Structure And Parasitism Of Egg-Batches Of The Pine Processionary Moth, Thaumetopoea Pityocampa In The Algerian Cedar Forests., Zineb Messaadia, Nabil Bertella, Naama Frah
Structure And Parasitism Of Egg-Batches Of The Pine Processionary Moth, Thaumetopoea Pityocampa In The Algerian Cedar Forests., Zineb Messaadia, Nabil Bertella, Naama Frah
Journal of Bioresource Management
Today, climate change is one of the greatest threats facing forest ecosystems. It directly influences the geographical distribution of insects and increases epidemics of harmful insects. The present work took place in this context. It aimed to contribute to the knowledge of egg parasitoids that could affect the evolution of the pine processionary caterpillar Thaumetopoea pityocampa, a major forest pest in Algeria and Mediterranean countries. The study was carried out on 120 batches of eggs taken from the Atlas cedar at two sites in the Chelia cedar zone (case of eastern Algeria) in 2017. It allowed the analysis of a …
Composition, Population Structure And Regeneration Potential Of Tree Species In Oak-Dominated Mixed Forests Of Rajouri District In Jammu And Kashmir, India, Mohd Junaid Jazib, Javed Manzoor
Composition, Population Structure And Regeneration Potential Of Tree Species In Oak-Dominated Mixed Forests Of Rajouri District In Jammu And Kashmir, India, Mohd Junaid Jazib, Javed Manzoor
Journal of Bioresource Management
The study was carried out to explore the diversity and regeneration potential of trees species in mixed Oak forest of Rajouri district of Jammu and Kashmir (India). A total of 20 tree species were recorded from the area dominated by various species of oak particularly Quercus leuchotrichophora. Quercus leuchotrichophora shows maximum values of density, basal cover and IVI. In different localities, it has different groups of associates like Q. floribunda, Q. semecarpifolia, Q. glauca, Buxux wallichiana, Pinus roxburghii, Aesculus indica, Rhododendron arboreum, etc. Majority of the species show very poor regeneration and thus demands for immediate implementation of appropriate conservation …
The Benefits Of Astaxanthin To Improve Pain Relief In Patients With Painful Diabetic Neuropathy: An Open-Label, Randomized Controlled Trial, Rizaldy Taslim Pinzon, Mary Rose Angelina Budi Harsana
The Benefits Of Astaxanthin To Improve Pain Relief In Patients With Painful Diabetic Neuropathy: An Open-Label, Randomized Controlled Trial, Rizaldy Taslim Pinzon, Mary Rose Angelina Budi Harsana
Pharmaceutical Sciences and Research
Treatment of diabetic neuropathy is still carried out by providing symptomatic therapy, which only improves ± 50% of the total symptoms felt by patients, but does not tackle the underlying causes of the disease. Astaxanthin is a potent antioxidant, anti-inflammatory, and anti-diabetic carotenoid that could be an additional treatment option. We aimed to measure the effectiveness of administering astaxanthin as an additional therapy to improve the impact of pain and discomfort experienced daily by diabetes mellitus patients with painful diabetic neuropathy. We conducted a randomized experimental study with an open label design of 36 patients who had been diagnosed with …
Biologic Tnf-Α Inhibitors Reduce Microgliosis, Neuronal Loss, And Tau Phosphorylation In A Transgenic Mouse Model Of Tauopathy, Weijun Ou, Joshua Yang, Juste Simanauskaite, Matthew Choi, Demi M. Castellanos, Rudy Chang, Jiahong Sun, Nataraj Jagadeesan, Karen D. Parfitt, David H. Cribbs, Rachita K. Sumbria
Biologic Tnf-Α Inhibitors Reduce Microgliosis, Neuronal Loss, And Tau Phosphorylation In A Transgenic Mouse Model Of Tauopathy, Weijun Ou, Joshua Yang, Juste Simanauskaite, Matthew Choi, Demi M. Castellanos, Rudy Chang, Jiahong Sun, Nataraj Jagadeesan, Karen D. Parfitt, David H. Cribbs, Rachita K. Sumbria
Pharmacy Faculty Articles and Research
Background
Tumor necrosis factor-α (TNF-α) plays a central role in Alzheimer’s disease (AD) pathology, making biologic TNF-α inhibitors (TNFIs), including etanercept, viable therapeutics for AD. The protective effects of biologic TNFIs on AD hallmark pathology (Aβ deposition and tau pathology) have been demonstrated. However, the effects of biologic TNFIs on Aβ-independent tau pathology have not been reported. Existing biologic TNFIs do not cross the blood–brain barrier (BBB), therefore we engineered a BBB-penetrating biologic TNFI by fusing the extracellular domain of the type-II human TNF-α receptor (TNFR) to a transferrin receptor antibody (TfRMAb) that ferries the TNFR into the brain via …
Comparative Analytical Study Of Phytochemicals In Selected Antidiabetic Medicinal Plant Seeds In Sri Lanka, Gowri Rajkumar, Mihiri Rangika Jayasinghe, Vinotha Sanmugarajah
Comparative Analytical Study Of Phytochemicals In Selected Antidiabetic Medicinal Plant Seeds In Sri Lanka, Gowri Rajkumar, Mihiri Rangika Jayasinghe, Vinotha Sanmugarajah
Pharmaceutical Sciences and Research
Medicinal plants are universally used in the management of various diseases in different medical practices. A varied diversity of compounds extracted from plants may show anticancer, antibacterial, and antidiabetic activities. Comparative laboratory studies and scientific approach of efficacy related to phytochemicals found in medicinal plants in Sri Lanka have not been reported yet. This study aims to evaluate the phytochemicals in selected four different plant seeds such as Syzygium cumini (L.) Skeels, Brassica alba (L.) Rabenh, Trigonella foenum-graecum L. and Nigella sativa L., which are used in the management of diabetes mellitus in Sri Lanka. The ethanol extracts of …
Optical And Chemical Properties Of Fragaria Ananassa And Galena: Potential Photosensitizers In A Natural Dye-Sensitized Solar Cell, Ibukun S Akinsola, Aderemi B Alabi, Coppede Nicola
Optical And Chemical Properties Of Fragaria Ananassa And Galena: Potential Photosensitizers In A Natural Dye-Sensitized Solar Cell, Ibukun S Akinsola, Aderemi B Alabi, Coppede Nicola
Tanzania Journal of Science
Dye is one of the major components for high power conversion efficiency in a dye-sensitized solar cell. There are challenges natural dyes encounter, especially with quick degradation of the dye molecules. This work considered mineral dye in comparison with plant dye to address the challenge of degradation of natural plant dyes. The optical properties and functional groups of the two natural dyes were studied in this work. The absorption spectra, the optical band gaps and the absorption coefficients of the dyes were reported and found to be suitable for use as photosensitizers in a dye-sensitized solar cell (DSSC), as they …
Effects Of Copper Fungicides Spray On Nutrient Contents In Soils Of Cocoa Growing Areas Of Southwestern Nigeria, Musibau O Azeez, Olusola O Adesanwo, Joseph A Adepetu
Effects Of Copper Fungicides Spray On Nutrient Contents In Soils Of Cocoa Growing Areas Of Southwestern Nigeria, Musibau O Azeez, Olusola O Adesanwo, Joseph A Adepetu
Tanzania Journal of Science
The present study aimed at evaluating the effects of copper fungicides spray on physical and chemical properties of soils of cocoa growing areas of southwestern Nigeria. Samples were collected from selected cocoa farms and adjacent plots across three states (9 samples from Osun State, 9 samples from Ondo State and 7 samples from Ekiti State), within rainforest zone of Nigeria. The physical and chemical properties of the soil samples were determined. Copper contents of the cocoa plantation soils were significantly higher (16.23 mg Cu/kg) than the adjacent plots (6.31 mg Cu/kg) indicating accumulation of Cu in the soil because of …
Physico-Chemical Properties Of Mechanically Extracted Banana Juice At Different Ripening Stages, Mathayo G Mathias, Lilian D Kaale, Oscar Kibazohi
Physico-Chemical Properties Of Mechanically Extracted Banana Juice At Different Ripening Stages, Mathayo G Mathias, Lilian D Kaale, Oscar Kibazohi
Tanzania Journal of Science
This paper presents the findings of a study on physico-chemical properties of low viscosity banana juice from five banana cultivars: Pisang Awak (PSA) an ABB genome, Yangambi km5 (YKM5) an AAA genome and cultivars from AAA-EA genome, namely Mbilabile, Ndeshi and Mlonga. Low viscosity banana juice was extracted using improved mechanical method at five ripening stages. The physico-chemical properties significantly varied according to cultivars and ripening stages (p < 0.05). Yields, total soluble solids (TSS), titratable acidity (TA) and pH were in the range of 19.50–74.03%, 7.33–27.64 ºBrix, 0.37–0.76% malic acid equivalent and 4.09–4.70, respectively. Yields decreased in the order of Mbilabile > Ndeshi > Mlonga > YKM5 > PSA whereas the total soluble solids increased as follows Mlonga < Mbilabile < Ndeshi < YKM5 < PSA. Furthermore, ashes and mineral contents decreased with ripening stages whereas the low viscosity banana juice was rich in potassium and magnesium. Finally, the study recommends stage 5 of the ripeness as ideal for producing low viscosity banana juice. Keywords: Mechanical extraction, Banana cultivar, Ripening stage, Tannin, Banana juice.
Placental Insulin-Like Growth Factor-1 Receptor, Protein Kinase B And Mammalian Target Of Rapamycin Are Downregulated In Hiv-1 Positive Women On Antiretroviral Drugs, Winifrida B. Kidima, Gatambwa D. Mukandala, Osiana Leonard, Daniel Nkungu
Placental Insulin-Like Growth Factor-1 Receptor, Protein Kinase B And Mammalian Target Of Rapamycin Are Downregulated In Hiv-1 Positive Women On Antiretroviral Drugs, Winifrida B. Kidima, Gatambwa D. Mukandala, Osiana Leonard, Daniel Nkungu
Tanzania Journal of Science
HIV-1 and ARV drugs uptake during pregnancy may change placental phenotype during pregnancy affecting fetal growth. We investigated the influence of maternal HIV-1 and ARV drugs on expression of placental genes important for fetus growth. A total 51 HIV-1 positives and 46 HIV-1 negative pregnant women were studied. Placental gene expression changes of insulin-like growth factor receptor 1 (IGF-1) R, mammalian target of rapamycin (mTOR), protein kinase B (AKT-1), sodium-coupled neutral amino acid transporters (Slc38a1, Slca38a2, Slc38a4), inhibin A, adrenomedullin and 11 beta-Hydroxysteroid dehydrogenase type (HSD)-2 were assessed by RT-qPCR. There was a significant decrease in mRNA expression of placental …
Design And Performance Analysis Of Composite Airfoil Wind Turbine Blade, Hegespo H Mwanyika, Yusufu Ac Jande, Thomas Kivevele
Design And Performance Analysis Of Composite Airfoil Wind Turbine Blade, Hegespo H Mwanyika, Yusufu Ac Jande, Thomas Kivevele
Tanzania Journal of Science
Small horizontal axis wind turbine rotors with composite airfoil rotor blades were designed and investigated in the present study in order to improve its performance in low wind speed and low Reynolds number (Re) conditions for standalone system. The geometrical and aerodynamic nature of a single airfoil small horizontal axis wind turbine blade curtails efficient energy harnessing of the rotor blade. The use of composite airfoil rotor blade improves energy production but imposes uncertainty in determining an optimal design angle of attack and the off design aerodynamic behaviour of the rotor. This research investigated the effects of two airfoils used …
Improved Modified Ratio Estimation Of Population Mean Using Information On Size Of The Sample, Sikiru A Suleiman, Amos A Adewara
Improved Modified Ratio Estimation Of Population Mean Using Information On Size Of The Sample, Sikiru A Suleiman, Amos A Adewara
Tanzania Journal of Science
In sample surveys, auxiliary information is used for estimation to improve the efficiency of estimators. Increased precision can be obtained when the variable under study is highly correlated with auxiliary information. In this study, the sample size has been used as information for improved estimation of population mean of the main variable under study. A new modified generalized ratio type estimator of population mean has been proposed and the efficiency was examined using Murthy (1967) and Mukhopadhyay (2009) dataset. The large sample properties, the bias and the mean squared error of the newly proposed modified ratio estimator were obtained up …
Application Of F-Waspas In The Ranking Of Crops For Agro-Processing: The Case Of Ikondo Ward In Njombe, Tanzania, Benito G Mng'ong'o, David Koloseni
Application Of F-Waspas In The Ranking Of Crops For Agro-Processing: The Case Of Ikondo Ward In Njombe, Tanzania, Benito G Mng'ong'o, David Koloseni
Tanzania Journal of Science
The purpose of this work was to develop and apply a Fuzzy Weighted Aggregated Sum Product Assessment (F-WASPAS) method in ranking selected crops for agro-processing at Ikondo Ward in Njombe Region, Tanzania. The fuzzy technique for order preferences by similarity to ideal solution (TOPSIS) was applied in determining the fuzzy importance weights of criteria, while the fuzzy WASPAS successfully ranked the crops, and maize was ranked the highest. Keywords: F-WASPAS, Linguistic variables, Fuzzy aggregation, Agro-processing, Decision making, Multi-Criteria Decision Making.
Preparation, Characterization, And Antimicrobial Activities Of Mixed Ibuprofen-Salicylic Acid Metal-Drug Complexes, Mercy O Bamigboye, Ikechukwu P Ejidike, Racheal O Awolope, Joshua A Obaleye, Favour K. Ejimofor
Preparation, Characterization, And Antimicrobial Activities Of Mixed Ibuprofen-Salicylic Acid Metal-Drug Complexes, Mercy O Bamigboye, Ikechukwu P Ejidike, Racheal O Awolope, Joshua A Obaleye, Favour K. Ejimofor
Tanzania Journal of Science
Most variants of bacteria are resistant to traditional antibiotics which are organic. To overcome the growing infections, bacteria resistant infections, and multiple drug resistance (MDR) rates, transition metals with biological importance were coordinated to organic ligands (Ibuprofen and Salicylic acid) with anti-inflammatory properties. In this study, metal complexes of mixed Ibuprofen and Salicylic acid were prepared using a standard method to give of the type [M(Ibu)(Sal)X] (where M = Fe2+, Ni2+, Cu2+, and X = Cl2, Ibu = Ibuprofen, Sal = Salicylic acid). The complexes were characterized by UV-visible spectroscopy, conductivity measurements, melting points, FT-IR, and X-ray diffraction. The metal …
Identification And Characterization Of Cassava Mosaic Begomoviruses In Non-Crop Plants From Unguja And Pemba Islands, Joseph A. Mwakosya, Gladness E. Temu, Joseph C. Ndunguru
Identification And Characterization Of Cassava Mosaic Begomoviruses In Non-Crop Plants From Unguja And Pemba Islands, Joseph A. Mwakosya, Gladness E. Temu, Joseph C. Ndunguru
Tanzania Journal of Science
Cassava mosaic disease caused by cassava mosaic begomoviruses (CMBs) remains one of themajor constraints to cassava production since it causes yield losses up to 100%. Researchesshowed that some of CMBs infecting cassava plants may be coming from non-crop plants. Thisstudy intended to identify and characterize CMBs isolated from non-crop plant species inUnguja and Pemba Islands. A total of 108 viral symptomatic and asymptomatic non-crop leafsamples were collected using stratified sampling. DNA was extracted by using CTAB protocolfollowed by polymerase chain reaction using universal and specific primers for cassava mosaicbegomoviruses identification. Results showed that, among eleven samples that were amplified,four were …
Developing A Community-Based Rehabilitation Programs In Elderly Nursing Home: A Brief Descriptive Analysis, Melinda Harini, Dosmaria Dosmaria, Herry Herry, Lisa Emilda, Listyani Herman, Nelfidayani Nelfidayani, Putu K. Mahardini, Shynta D. Hantogo, Widya Meiliana, Ikhsan Johnson, Peggy Peggy, Wanarani Aries, Widjajalaksmi Kusumaningsih, Luh K. Wahyuni
Developing A Community-Based Rehabilitation Programs In Elderly Nursing Home: A Brief Descriptive Analysis, Melinda Harini, Dosmaria Dosmaria, Herry Herry, Lisa Emilda, Listyani Herman, Nelfidayani Nelfidayani, Putu K. Mahardini, Shynta D. Hantogo, Widya Meiliana, Ikhsan Johnson, Peggy Peggy, Wanarani Aries, Widjajalaksmi Kusumaningsih, Luh K. Wahyuni
ASEAN Journal of Community Engagement
The need for rehabilitation services in nursing homes (NH) for the elderly is increasing each year, and this need is fulfilled both with ordinary clinical rehabilitation center visits, as well as community-based rehabilitation (CBR) inside the facility. However, a proper situation analysis is needed to establish a well-delivered CBR program in the NH, a niche to be fulfilled in this study. This study used a descriptive measurement and cross-sectional design to target the elderly who are living in the NHs. Consecutive sampling was done in the largest NH in Jakarta, in Cipayung District. Participants who were dependently ambulated were assessed …
Development Of Biodegradable Food Packaging Materials From Agricultural Biomass, Jerome M Bidu, Arnold Towo, Liberato Haule, Joshua C William, Lilian D Kaale
Development Of Biodegradable Food Packaging Materials From Agricultural Biomass, Jerome M Bidu, Arnold Towo, Liberato Haule, Joshua C William, Lilian D Kaale
Tanzania Journal of Science
This study utilised maize husk fibres and pulp to prepare a biocomposite fabric for food packaging. The optimum conditions for extracting maize husk fibres were determined experimentally to be 5 g/l of sodium hydroxide concentration at 100 °C for 60 minutes and liquor ratio of 1:20. The fabric was manufactured by solution casting of maize husk pulp on a web prepared by aligning maize husk and sisal fibres using a deckle and frame. The sisal fibre content was varied from 5 to 50% at ratios ranging from 95:5 to 50:50 (maize: sisal fibres). The biodegradable fabric was characterised using three …
Heavy Metal Contamination And Potential Ecological Risks In Surface Sediments Along Dar Es Salaam Harbour Channel, Benard Mwakisunga, Harishchandra B. Pratap, John F. Machiwa, Flora Stephano
Heavy Metal Contamination And Potential Ecological Risks In Surface Sediments Along Dar Es Salaam Harbour Channel, Benard Mwakisunga, Harishchandra B. Pratap, John F. Machiwa, Flora Stephano
Tanzania Journal of Science
Investigation of heavy metal contamination along Dar es Salaam harbour channel was carried out in order to determine their current concentrations, sources and potential ecological risks to benthic biota. Sampling was carried out from January to May 2019 and samples analysed using ICP-OES and C-H-N-S analyser. Analysis of heavy metal relationships showed that, Cu, Zn, Cr, As, Ni, Co, Fe, Cd had strong relationships with each other, while Pb only related to Zn. Principal component analysis partitioned metals into two groups; PC1: Ni, Cr, Fe, Co, As, Cu, Cd, and Zn explaining 73.6% variance and PC2: Pb, Zn, and Cd …
Effects Of Ripeness And Blending Speed On The Extraction Yield And Physical Chemical Properties Of Low Viscosity Banana Juice, Oscar Kibazohi, Victor V Matabura
Effects Of Ripeness And Blending Speed On The Extraction Yield And Physical Chemical Properties Of Low Viscosity Banana Juice, Oscar Kibazohi, Victor V Matabura
Tanzania Journal of Science
Low viscosity banana juice can be extracted from banana by blending and pressing the resulted semi-solid pulp to separate the juice. This juice extraction technology is relatively new and further studies to understand key parameters for juice release is vital for scaling up production and commercialisation. This study, investigated the influence of blending speed and ripeness stage on banana juice yield using two banana cultivars; the East African highland banana (Mbile) and the exotic banana (Pisang awak). Types of sugars and organic acids in the juice were analysed using an HPLC. Changes with ripening of fruit firmness, juice pH and …
Biodiesel Generation From Palm Kernel Biomass Via An In-Situ Transesterification Approach, Chikaodili D Ikechukwu, Ikhazuagbe H Ifijen, Nyaknno U. Udokpoh
Biodiesel Generation From Palm Kernel Biomass Via An In-Situ Transesterification Approach, Chikaodili D Ikechukwu, Ikhazuagbe H Ifijen, Nyaknno U. Udokpoh
Tanzania Journal of Science
This study investigated an in-situ transesterification of palm kernel biomass at variable reaction times (4 h, 5 h and 6 h) and catalyst loading (2 wt%, 3 wt.% and 5 wt.%). The biodiesel yields were observed to vary with these parameters. GC-MS analysis showed high fatty acid methyl esters (FAMEs) contents for all the prepared biodiesel samples (C-18:1, C-14:0, C-16:0, and C-18:0). 2 wt.% catalyst loading and 4 h reaction time were observed to be the best reaction conditions from the experimented parameters that gave the best biodiesel yield at 300 rpm mixing intensity. The in-situ method recorded a higher …
Assessment Of Seasonal Variations In Forage Quality In Saanane Island National Park, Mwanza, Tanzania, George M. Sangu, Cuthbert L. Nahonyo
Assessment Of Seasonal Variations In Forage Quality In Saanane Island National Park, Mwanza, Tanzania, George M. Sangu, Cuthbert L. Nahonyo
Tanzania Journal of Science
Seasonal variations in proteins, vitamin A, vitamin C, carbohydrates and minerals (Ca, Fe, Na, K and P) for seven most grazed and four most browsed plant species were assessed using laboratory analysis to determine what nutrient resources were available to grazers and browsers inhabiting the Saanane Island. The results indicated great seasonal variations in proteins, vitamin A, vitamin C and carbohydrates which were statistically significant with P < 0.01, F 3.444 at DF 5. Similarly, the minerals (Ca, Fe, Na, K and P) showed greater seasonal variations with K and P being higher during wet season, while Na and Fe were higher in dry season. The levels of proteins, vitamins, fibres and minerals were well above daily dietary requirements for grazers and browsers. These results suggested that both grazers and browsers were benefiting from seasonal differences in terms of available resources at disposal as animal health is regulated by levels of proteins and vitamins available in grazing and browsing materials. Keywords: Forage Quality, Minerals, Protein Saanane, Seasonality, Vitamin
Anticipating The Effects Of Increasing Rivers’ Water Salinity For Sustainable Conservation Of Tilapia Resources In Rural Coastal Zone Of Benin, West Africa, Toundji O. Amoussou, Ana F. Filipe, Chibuye F. , Kunda, Dorothé Y. Njé, Vinsoun Millogo, Elliot H. Alhassan
Anticipating The Effects Of Increasing Rivers’ Water Salinity For Sustainable Conservation Of Tilapia Resources In Rural Coastal Zone Of Benin, West Africa, Toundji O. Amoussou, Ana F. Filipe, Chibuye F. , Kunda, Dorothé Y. Njé, Vinsoun Millogo, Elliot H. Alhassan
Tanzania Journal of Science
The current research aimed at using the application of multi-factor models to support fisheries management decisions for successful resources’ conservation. The study was based on the tilapia species Coptodon guineensis, which is among the most widely exploited in Benin coastal zone. In an attempt to suggest conservation strategies, the phenotypic variability of 356 accessions of this species was assessed in relation with water salinity, and several interactions. The fish were collected through small-scale experimental fishing using cast nets and gillnets. The findings indicated that the salinity observed in the sampled rivers is due, at proportions ranging from 0.13% to 47%, …
Mathematical Characterization Of Biological Control Of Cassava Pests Model, Yidiat O. Aderinto, Faith O. Ibiwoye, Michael O. Oke, Folashade M. Jimoh
Mathematical Characterization Of Biological Control Of Cassava Pests Model, Yidiat O. Aderinto, Faith O. Ibiwoye, Michael O. Oke, Folashade M. Jimoh
Tanzania Journal of Science
Pests are major constraints to the effective growth and development of every crop through their damage, and can be controlled effectively by the use of their natural enemies which is referred to as the biological pest control. In this study, the biological control model of cassava pests through optimal control theory was presented in order to minimize the population of the pests and stabilize the natural enemies population so as not to affect the crop negatively. A mathematical model was formulated via the Lotka-Volterra model, and the model was characterized. The optimality system was established, the equilibrium point with its …
Two New Species Of Deromecus Solier From Guatemala (Coleoptera: Elateridae: Pomachiliini), E. R. Fuller
Two New Species Of Deromecus Solier From Guatemala (Coleoptera: Elateridae: Pomachiliini), E. R. Fuller
Insecta Mundi
Deromecus georginas Fuller, new species, and Deromecus longitarsis Fuller, new species (Coleoptera: Elateridae: Pomachiliini) are described from cloud forest habitat on eastern coastal volcanoes in Quetzaltenango Department, Guatemala, and compared with Deromecus trivittatus Champion from Mexico.
Se describen la neuva especie Deromecus georginas Fuller y la neuva especie Deromecus longitarsis Fuller (Coleoptera: Elateridae: Pomachiliini), del hábitat del bosque nuboso, de los volcanes oriental de la costa, en el Departmento de Quetzaltenango, Guatemala, y se comparan con Deromecus trivittatus Champion, de México.
The Elateridae are a conspicuous and diverse group of beetles in Central America (Champion 1894–1897). Adults of luminous …
Occurrence Of An Exotic Whitefly, Siphoninus Phillyreae (Haliday) (Hemiptera: Aleyrodidae) In South Korea And Its Potential Pathway Analysis, Seon Woo Lee, Hyun Jik Lee, Jun-Ran Kim, Soo-Jung Suh
Occurrence Of An Exotic Whitefly, Siphoninus Phillyreae (Haliday) (Hemiptera: Aleyrodidae) In South Korea And Its Potential Pathway Analysis, Seon Woo Lee, Hyun Jik Lee, Jun-Ran Kim, Soo-Jung Suh
Insecta Mundi
The ash whitefly, Siphoninus phillyreae (Haliday) (Hemiptera: Aleyrodidae), was first found in southern areas of South Korea during September 2019. During the survey of 2021, no additional specimens of the ash whitefly were found other than the previously reported regions. Attempts to trace a possible pathway for exotic ash whitefly suggested that this species probably followed pathways of illegal importation of infested plants from China or Japan and was unintentionally introduced into South Korea based on a survey-based study. This whitefly has not been intercepted at ports of entry to South Korea on imported plant material between 1999 and 2019 …
New Synonymies And Notes In Criodion Audinet-Serville (Coleoptera: Cerambycidae: Cerambycinae), Antonio Santos-Silva, Sergio Devesa
New Synonymies And Notes In Criodion Audinet-Serville (Coleoptera: Cerambycidae: Cerambycinae), Antonio Santos-Silva, Sergio Devesa
Insecta Mundi
Criodion angustatum Buquet, 1852 and C. pilosum Lucas, 1857 (Coleoptera: Cerambycidae: Cerambycinae) are synonymized with C. tomentosum Audinet-Serville, 1834. The holotypes of C. angustatum and C. hirsutum, and syntypes of C. pilosum and of C. tuberculatum Gahan, 1892 are illustrated for the first time. One of the type localities of C. tuberculatum is corrected.
Currently, Criodion Audinet-Serville, 1834 includes 13 species distributed from Guatemala to southern South America (Monné 2021; Tavakilian and Chevillotte 2021). Despite the relatively small number of species, they encompass several problems with their identification. For example, the specimens often identified as C. murinum Nonfried, 1895 …
New Larval Host Plants And Ecological Observations On North American Cerambycidae (Coleoptera), Josef Vlasak, Katerina Vlasakova
New Larval Host Plants And Ecological Observations On North American Cerambycidae (Coleoptera), Josef Vlasak, Katerina Vlasakova
Insecta Mundi
New larval hosts are presented for 152 North American Cerambycidae (Coleoptera). Larval host plants of Aneflus calvatus Horn in Leng, Aneflomorpha arizonica Linsley, Aneflomorpha fisheri Linsley, Aneflomorpha opacicornis Linsley, Anelaphus magnipunctatus (Knull), Atylostagma glabra Schaeffer, Cacophrissus pauper Bates, Elytroleptus limpianus Skiles and Chemsak, Obrium rubidum LeConte, and Stenelytrana splendens (Knull) are reported for the first time. The types of wood utilized by larvae of Leptorhabdium pictum (Haldeman), Sphenostethus taslei (Buquet), Typocerus lugubris (Say), and Xestoleptura octonotata (Say) are discussed. Notes on larval morphology and larval habits of Aneflus spp. and Stenaspis solitaria (Say), including a correction of a published host …
Genetic Characterisation Of Echinocephalus Spp. (Nematoda: Gnathostomatidae) From Marine Hosts In Australia, Christina Karagiorgis, Richard J. Ploeg, Abdul Ghafar, Charles G. Gauci, Tanapan Sukee, Scott C. Cutmore, Jorja Claybrook, Neil R. Loneragan, Nicholas Q-X. Wee, Amber K. Gillett, Ian Beveridge, Abdul Jabbar
Genetic Characterisation Of Echinocephalus Spp. (Nematoda: Gnathostomatidae) From Marine Hosts In Australia, Christina Karagiorgis, Richard J. Ploeg, Abdul Ghafar, Charles G. Gauci, Tanapan Sukee, Scott C. Cutmore, Jorja Claybrook, Neil R. Loneragan, Nicholas Q-X. Wee, Amber K. Gillett, Ian Beveridge, Abdul Jabbar
Harold W. Manter Laboratory of Parasitology: Library Materials
We genetically characterised larval and adult specimens of species of Echinocephalus Molin, 1858 (Gnathostomatidae) collected from various hosts found within Australian waters. Adult specimens of Echinocephalus were collected from a dasyatid stingray [Pastinachus ater (Macleay); n = 2] from Moreton Bay, Queensland and larvae from a hydrophiine sea snake [Hydrophis peronii (Dum´eril); n = 3] from Cape York Peninsula, Queensland, from an octopus (Octopus djinda Amor & Hart; n = 3) from Fremantle, Western Australia and from a lucinid bivalve [Codakia paytenorum (Iredale); n = 5] from Heron Island, Queensland Australia. All nematode samples were identified …