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Experiment for the Determination of Acute Toxicity of Ammoniain Juvenile Patagonian Blenny (Eleginops maclovinus)

Deionized ammonium (NH3) acute toxicity (LC50-96h) in Patagonian blenny juveniles (Eleginops maclovinus) was assessed. Concentrations of deionized ammonium in salt water were prepared by using 24.09 ± 2.1 g ammonium chloride (NH4Cl). Fish were exposed in triplicates to different ammonium concentrations: 0.05; 0.094; 0.175; 0.325 and 0.605 mg NH3 L-1. Additionally, a control group was…
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September 24, 2020 0

Research on Microbiological and Biochemical Analysis of Soymilk Produced and Sold within Calabar Metropolis

This study was aimed at evaluating the microbiological and biochemical content of soymilk produced and sold locally within Calabar metropolis. Samples of soymilk were obtained from five areas in Calabar metropolis namely: Bogobiri, Watt market, Akim barracks, Army barracks and Marian market. Standard microbiological techniques including the pour plate method and relevant biochemical tests were…
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September 24, 2020 0

Mapping and Map-based Cloning of QTL Conferring Durable Resistance to Rice Blast towards Rice Breeding Strategy

Rice blast caused by Pyricularia oryzae (syn. Magnaporthe oryzae) is a destructive disease of rice worldwide that poses a serious threat to rice production. Strengthening blast resistance is an important objective in rice breeding programs. Race-specific resistance genes (R-genes) confer complete resistance to blast, but new races of blast pathogen can overcome it. To avoid…
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September 24, 2020 0

Genetic Inheritance of Black Seed Coat in Soybean

The standard phenotype of R gene is black hilum on black seed. The genetic control of several soybean (Glycine max L. Merr.) natural variants has not been studied. The genetic type T16 is the only occurrence with brown hilum on black seed coat. The aim of this chapter is to further a discussion the genetic…
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September 24, 2020 0

Genetic Variability, Coefficient of Variance, Heritability and Genetic Advance of Some Traditional Rice Cultivars of Assam

Rice is the staple food crop for India as well as entire Asia Pacific region. But this crop has been constantly exposed to various biotic and abiotic stresses effecting the yield pattern. The prominent among the abiotic stress is water stress. This paper tries to evaluate the effect of drought stress on the various physiological…
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September 24, 2020 0

Experimentation on the Validation of the Method for Determining Aflatoxin B1 in Groundnut Pastes Sold in the Markets of Abidjan (Côte d’Ivoire)

This study was carried out to validate the method of dosage of Aflatoxin B1 in the groundnut pastes for high performance liquid chromatography, according to the NFV03-110 Mai 2010 standard. The tests of the validation were performed out starting from ten samples. The linearity of calibration established between 0 and 3.0 μg/L was proven by…
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September 24, 2020 0

A Critical Review on Effects of Metosartan on Testes Tissue

Metosartan induces so many deleterious effects in male Wistar rats treated with drug and RNase. It causes pre maturation of sperms and reduces the sperm count as well as reduces viable sperm count. It induces the x-chromosome desynapsis leading to testicular carcinoma. The effects are so profound in case of drug than compared to the…
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September 24, 2020 0

Storage of Yeasts

Several methods have been used in the storage of yeasts. Traditional methods and low technology methods were done to compare the viability of yeasts during storage. The shelf life is limited during storage of yeasts on petri dishes or slants in the refrigerator. Sub culturing should be done after 3 months. The yeast cultures did…
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September 24, 2020 0

Experimental Investigation on Tumour Suppressive and Organ Protective Effects of Aqueous Andrographis paniculata Leaves Extract on Benzene Induced Leukaemia Bearing Rats

Aims: To investigate and compare the protective and ameliorative role of aqueous leaf extract of Andrographis paniculata and standard drug 5-Fluorouracil on selected organs of male Wistar rats exposed to benzene carcinogen. Study Design: Histological assessment of protective and ameliorative activity of the aqueous leaf extract of Andrographis paniculata and standard drug 5-Fluorouracil in some…
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September 24, 2020 0

Bioluminescence of Symbiont Bacteria in Marine Life

Bioluminescence is a natural phenomenon found in living things that emit light without emitting heat. Bioluminescence can be produced in three ways, namely from special photocytes cells, glands in tissues, and luminescent bacteria that are symbiotic to the host. Bioluminescence in Loligo sp and Harpadon nehereus is known to originate from luminescent bacteria which are…
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September 24, 2020 0