283 research outputs found
Aspect of Reproductive Biology of Fish of Commercial Importance in Sabke Reservoir, Katsina State
Aspects of the reproductive biology of the most economically important fish species in Sabke reservoir was investigated such as Fecundity for females, average egg diameter, Gonado Somatic Index (GSI), for a period of twelve month (from March 2009 to February 2010).Samples of fish were collected through both experimental gears and commercial catches from local fishermen fortnightly. Fecundity range of 222 – 9642, and mean of 14652 ± 2600, 197 – 4414, 1110 ± 1162, 77 – 2007, 712 ± 541, 183 – 3290, 1178 ± 901, 265 – 2467, 854 ± 677 was calculated for Clarias gariepinus, Lates niloticus, Tilapia zilli, Oreochromis niloticus and S. galilaeus respectively. Mean annual GSI and average egg diameter of C. gariepinus, L. niloticus, T. zilli, O. niloticus and S. galilaeus of 0.85mm, and 0.60mm, 0.63, and 0.84mm, 1.36 and 1.68mm, 1.83,and 2.02mm, 2.26, and 2.82mm respectively. In general Sabke reservoir indicates positive indices for high fisheries potential.Key words: Fecundity, egg diameter, Gonado Somatic Inde
Assessment of National Board for Arabic and Islamic Studies (NBAIS) Curriculum on Implementation of Qur'anic Memorization in North-West, Nigeria
This study assessed the relationship between availability of resources and the implementation of Qur’anic memorization curriculum content of NBAIS in North West, Nigeria. The objectives of the study are to: find out the availability of learning resources and the implementation of Qur’anic memorization curriculum content of NBAIS in senior Arabic and Islamic secondary schools; examine the availability of Qur’anic teachers used in the implementation of Qur’anic memorization curriculum content in senior Arabic and Islamic secondary schools. Two research questions and hypotheses in line with the objectives guided the study. The study was survey design. The instruments were validated by the experts. Mann Whitney u test was used to test the hypotheses. The finding revealed that: there was a significant difference between the availability of learning resources in senior Tahfeez and Islamic secondary schools and that of senior Arabic and Islamic secondary schools in the implementation of Qur’anic memorization curriculum content. There was no significant difference between the availability of teachers in senior Tahfeez and Islamic secondary schools and that of Senior Arabic and Islamic secondary schools in the implementation of Qur’anic memorization curriculum content. The study concludes among others that; available Qur’anic memorization teachers must be provided for effective implementation of Qur’anic memorization curriculum content more especially in senior Arabic and Islamic secondary schools. The study recommended among others that; there is need for to providing more human and material resources especially in senior Arabic and Islamic secondary schools, for qualitative Qur’anic memorizers in the schools
Experimental and Theoretical Evaluation of Corrosion Inhibition Performance of Senna Obtusifolia Leaves Extract on Mild Steel In 0.5M HCl
Corrosion of metal is a problem which lead to serious economic lost in industries and households, and one of the most important ways to protect metallic from being destruction (corrosion) is the use of substances (inhibitor) to protect the metal corrosion. Use of green corrosion inhibitor is found to be environmentally friendly useful compare to the use of inorganic inhibitors which are toxic. Corrosion inhibition performance and adsorption effect of Senna obtusifolia leaves (SOL) extract on mild steel in 0.5M HCl has been assessed using weight loss measurement, potentiodynamic polarization (PDP), electrochemical impedance spectroscopy (EIS), quantum chemical analysis and molecular dynamic simulations. The inhibition performance of SOL extract was found to be 85.67% %. Similarly, the result from the PDP shows SOL extract behaves as cathodic type inhibitor also from EIS it shows increase in the concentration of the extract and charge transfer resistance with decrease in double layer capacitance from the Nyquist plot. SOL extract was found to obeys Langmuir isotherm model. Furthermore, the extract was characterized using FTIR and Uv-Visible spectroscopy which confirmed the adsorption of SOL extracts on the mild steel. SEM Surface morphology of the inhibited mild steel shows the smooth surface from assuring the protection offered by the SOL extract on the metal surface. HPLC technique suggest the main component of SOL extract responsible for the inhibition performance was found to be Kaempferol molecule at 2.99 retention time. Kinetic studies revealed that the adsorption process follows first order reaction and the half-lives of inhibited metal is greater than that of uninhibited metal The results from quantum chemical calculations confirmed good inhibition performance of SOL extract and. molecular dynamic simulation shows negative values of binding energy that is less than 100 Kcalmol-1 which suggests physical adsorptio
Survey of Trace Elements and Some Heavy Metals in Goats in Zaria and its Environs, Kaduna State
The aim of this study was to determine the trace minerals in the serum of goats in Zaria and its environs, and to find out the levels of lead and cadmium in the serum of these goats, so as to see if they can serve as biomonitors of pollution. A total of 120 goats were sampled from eight different locations randomly and their serum assayed for trace elements, lead and cadmium using the atomic absorption spectrometry (AAS). The values obtained were: lead 0.259 ± 0.470mg/L, cadmium 0.006 ± 0.004 mg/L, chromium 0.072 ± 0.064 mg/L, copper 0.089 ± 0.060 mg/L, iron 0.229 ± 0.180 mg/L, zinc 0.256 ± 0.266 mg/L, nickel 0.127 ± 0.086 mg/L, cobalt 0.135 ± 0.095 mg/L, manganese 0.042 ± 0.031 mg/L. Lead was above acceptable levels, cadmium was at acceptable levels, zinc, copper, iron and nickel were deficient, chromium was marginally deficient, while cobalt and manganese were normal. The effects of breed, sex, age and locations were generally not significant. The values obtained from lead is of public health significance, since these goats are sources of food to people in the immediate environment, and also this implies that people in the immediate environment are also exposed to the same sources of lead. There should be regular seromonitoring of blood lead levels in man and animals, and farmers should be enlightened on the need to augment the feeding of their animal with mineral supplements.Key words: Heavy metal; trace element; goat; lead; seromonitoring
Ethnobotanical assessment of plants used for the treatment of endocrine disorder in Daura Emirate, Katsina, Nigeria
Medicinal plants are integral components of traditional medical system in Nigeria as in other cultures and societies in Africa. This study examines local knowledge of woody vegetation use for the treatment of endocrine disorders in Daura Emirate with a view to providing information that can assist in management of medicinal plants in the area. This study employed open ended questionnaire and unstructured interview to collect information from local people and traditional healers in the study area respectively. Simple Random Sampling Techniques was used for the selection of 66 respondents and 24 interview participants. Data was collected using questionnaires which were administered in 5 communities of Daura Emirate while 18 traditional healers and 6 herbalists were engaged in an unstructured interview with a view to collecting their opinions on the treatment of endocrine disorders in the area. Result from this study found that endocrine disorders (diabetes, goitre and sexual dysfunction) were treated with 14 plants in combination with other products such as oil obtained from animals and red potash. This study further revealed that leaf (52.17%) was utilised most for the preparation of herbal remedies for endocrine disorders in the study area, while root and pod (04.35%) are the less utilised. It has been found that the remedies were administered orally and nasally. Respondents mentioned two methods employed for management of medicinal plants in the study area. These are: Assisted Natural regeneration (ANR) and seed bank. However, ANR was used by 79% of the respondents. This study recommended that pharmacopoeia of the area should be development in order to avoid knowledge losses. This can be done through collaboration among stakeholders in ethnobotany, medicine, pharmaceutical sciences.Keywords: Ethnobotanical assessment, plants, endocrine disorder
Kawasaki disease associated with streptococcal infection and facial nerve palsy: a case report
Kawasaki disease (mucocutaneous lymph node syndrome), an acute febrile vasculitis of childhood that affects medium and small-sized arteries, is uncommonly reported in the West African sub[1]region. Its diagnosis relies on the presence of a constellation of clinical signs which could mimic or coexist with infectious viral or bacterial agents, thereby requiring a high index of suspicion. Case presentation: We report a two-year, ten months-old boy who presented with prolonged high-grade fever for over 3 three weeks; non-purulent conjunctivitis, unilateral cervical lymphadenopathy, cracked lips, reddish tongue, diffuse oedema, erythema of his palms and soles; skin desquamation over the tips of his digits and left-sided facial nerve palsy. He had leukocytosis, thrombocytopenia, and elevated inflammatory markers. Throat swab yielded Streptococcus pyogenes species; however, serial echocardiography was unrevealing. He was managed with aspirin, steroids, bed rest, and antibiotics (based on culture sensitivity), but intravenous immunoglobulin (IVIG) was not readily available and therefore was not administered. His inpatient clinical course showed fever persisting into the second week of inpatient management that gradually became undulating by the third week before lysing. Conclusion: The rare complication of facial nerve palsy is highlighted, while the evidence for acute bacterial infection posed further diagnostic challenges in this child with clinical features of Kawasaki disease. The unavailability of IVIG also portends a prolonged course for the acute stages, which are largely unresponsive to antipyretics and antibiotics. The importance of long-term follow-up for potential coronary artery aneurysms in the face of risk factors is further emphasized
ECONOMIC ANALYSIS OF IRISH POTATO (Solanum tuberasum) PRODUCTION UNDER IRRIGATION SYS- TEM IN KATSINA METROPOLIS, KATSINA LOCAL GOVERNMENT AREA, KATSINA STATE
A survey on economics analysis of Irish Potato (Solanum tuberasum) Production under irrigation sys- tem in Katsina Metropolis Katsina Local Government Area was carried out. Six communities were purposively selected due to the production of Irish potato. The communities were Kofar Sauri, Kofar Durbi, Kofar Marusa, Filin Samji, Rafukka and Yammawa. A simple random sampling was employed in selecting the farmers were by ten (10) farmers were randomly selected from each community which gave a total of sixty respondents. The data were obtained using structured questionnaire and sub- jected to descriptive statistics, gross margin and net farm income analysis. The research describes the socio economic characteristic of the respondents in which the respondents were within the mean age of 41 years. The result also showed hundred percent of the respondents were male, 66.6% were mar- ried, 30%, 31.6%, 33.3% and 5% had qur«¤??anic, primary, secondary and tertiary education respectively. The result also showed that 90% of the respondents«¤?? source their initial income for production of Irish potato from personal saving and 48.3% source information from mass media. The research also de- scribed the production characteristic of the respondents were majority (51.6%) cultivate 0.2-0.4ha, 81.6% acquired their land by inheritance, 88.3% practice sole cropping and 48.3% used family labor. Net Farm Income analysis revealed that Irish potato production in the study area is profitable with Net Farm Income of N5798.83, «¤?¢Ã21555.35 and «¤?¢Ã65399.48 for 0.2-0.4ha, 0.5-0.7ha and 0.8-1ha. The result further reveals that manure and fuel contributed toward the output for 0.2-0.4ha, manure, fuel, water and labour contributed for 0.5-0.7ha and manure, water and labour for 0.8-1ha. The result also identified some constraints to Irish potato production such as inadequate fertilizer, poor storage facili- ties, pest and diseases, inadequate extension advice, poor canal maintenance, inadequate capital, poor cooperation, adulteration of farm input, and marketing problem. Conclusively, net farm income result shows that Irish potato production is profitable in the study area. It is recommended that re- search into way of improving the method of storage should be promoted
In-Vitro Anthelmintic Efficacy Of Crude Aqueous Extracts Of Neem (Azadirachta Indica) Leaf, Stem And Root On Nematode
The anthelmintic efficacy of the aqueous extracts o neem (Azadirachta indica) leaf and stem and root barks against the hatching of eggs and the survival of larvae of nematode parasites of small ruminants were studied. The results of the in vitro egg hatch assay showed that the aqueous extracts of the leaf and stem bark produced significant anthelmintic effect through reduction in nematode egg hatch. The reduction in egg hatch was concentration dependent being highest (51 % and 50 % for the leaf and stem bark extracts respectively) at the highest concentration (100 mg/ml) of the extracts but inferior to those produced by albendazoe (100 % at 40 mg/ml). Aqueous extracts of the leaf and root bark produced significant reduction in larval survival within 60 minutes at ambienttemperature (30 – 35 ºC). Larval death was similar in both extracts and concentration dependent, increasing with increasing concentration of the leaf and root bark extracts. The reduction in larval survival due to the extracts was similar to that produced by albendazole. In general, the aqueous extract of neem leaf was more efficacious in limiting nematode larvae survival and in-vitro egg hatch. The results confirm the folkloric claims that neem has anthelmintic effect and thus suggest its possible usefulness as an anthelmintic. Keywords: Anthelmintic efficacy, Aqueous extract, Leaf, Stem, Root, Bark, Azadirachta indicaAnimal Research International Vol. 3 (3) 2006 pp. 549-55
Impact of Competitive Aggressiveness on Performance of Small and Medium Construction Firms in Nigeria
One of the key challenges confronting construction organizations especially small and medium size firms is the issue of poor performance and survival due to the uncertain environment of the construction industry. Firms must therefore, respond by adopting suitable business strategies that ensure their survival and success in the industry. Competitive aggressiveness is regarded as one of the appropriate business orientations for firms in sectors like construction. This study examined the level of adoption of competitive aggressiveness orientation and its impact on the performance of small and medium construction enterprises (CSMEs) in Nigeria. Using a quantitative approach, data was obtained from a sample of 139 Owners/CEOs and top managers of Nigerian CSMEs via a cross sectional questionnaire survey. Data collected was analyzed using SPSS and Structural Equation Modeling (SEM) using SMARTPLS 3.0 to test the hypothesized relationship between the studied constructs. The finding shows a significant level of adoption of competitive aggressiveness orientation among the studied samples. A positive and significant relationship was also established between competitive aggressiveness and financial performance of the CSMEs in the study. It was concluded from the study that competitive aggressive impacts positively on the financial performance of Nigerian CSMEs. It was therefore recommended that construction firms should adopt and encourage competitive aggressive approach in decision making in order to boost their performance and maintain relevance in the construction industry.Keywords: Competitive Aggressiveness, Entrepreneurship Orientation, Firm Performance, Construction Small and Medium Enterprises (CSMEs
- …