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Search Results: 1 - 10 of 385278 matches for " C.N. Obi "
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The Microbiological and Physico-Chemical Analysis of Borehole Waters used by Off-Campus Students of Michael Okpara University of Agriculture, Umudike (MOUAU), Abia State, Nigeria
C.N. Obi,P. George
Research Journal of Biological Sciences , 2012, DOI: 10.3923/rjbsci.2011.602.607
Abstract: The microbiological and physico-chemical analysis of the seven borehole waters used by off-campus students of MOUAU were carried out using the Most Probable Number Technique (MPN) for the detection of faecal coliform. Five bacterial species Enterobacter aerogenes, Escherichia coli, Streptococcus faecalis, Staphylococcus aureus and Pseudomonas aeruginosa were isolated together with two fungal specie namely: Mucor racemosus and Aspergillus niger. The Total Heterotrophic Plate Count (THPC) gave a range of 4.7x104- 1.82x105 cfu mL-1 with a mean of 7.89x104 cfu mL-1 while the Total Coliform Plate Count (TCPC) gave a range of 4.1x103-8.6x103 cfu mL-1 with mean 6.24x103 cfu. The Presumptive faecal coliform ranged between 0-12 coliform per 100 mL with a mean of 3.57 coliform per 100 mL. Faecal coliform was detected in 57.1% of the water samples. The physico-chemical parameters fell within acceptable limits except for nitrate whose range fell between 65-20 mg L-1 above WHO guidelines of 10 mg L-1. The findings show that the water samples except those from AL and AG boreholes did not meet WHO standard for drinking. Thus, the bore-holes water and should be treated before drinking.
Bacteriological Analyses of Weaning Foods Consumed in Umuariaga Community, Ikwuano L.G.A. Abia State
C.N. Obi,N.C. Nwozor
Research Journal of Applied Sciences , 2012, DOI: 10.3923/rjasci.2012.208.211
Abstract: Weaning foods fed to infants aged between 2-10 months old from Umuariaga community were subjected to bacteriological analyses. All the food samples analyzed (dawa, pap, custard, Golden Morn and Quaker oats) were contaminated bacteria isolated from the collected food samples were Staphyloccocus aureus, Escherichia coli, Lactobacillus plantarum and Streptococcus thermophillus. The total heterotrophic bacterial counts of the food samples were highest for dawa followed by pap collected from uneducated mothers with counts of 4.43x105 and 4.07x105 cfu mL-1, respectively while the least total heterotrophic bacterial counts were recorded for Quaker oats followed by Golden Morn from educated mothers with counts of 2.13x105 and 2.24x105 cfu mL-1, respectively. The total coliform count (2.63.0x105 cfu mL-1) was highest for pap from uneducated mothers while the least coliform count (1.76x105 cfu mL-1) was from Golden Morn collected from educated mothers. The presence of food pathogens poses a big threat to the health of the infants therefore, proper hygienic handling of weaning foods from production to consumption is recommended.
Microbiological and Physico-Chemical Analyses of Selected Bore-hole Waters in World Bank Housing Estate, Umuahia, Abia State, Nigeria
C.N. Obi,C.O. Okocha
Journal of Engineering and Applied Sciences , 2012,
Abstract: The microbiological and physico-chemical analyses were carried out for fifteen boreholes in World Bank Housing Estate, Umuahia. The microbiological analysis was carried out using the Most Probable Number Technique (Multiple-Tube Technique) for the detection of faecal coliform and subsequently organisms present in the samples of water were identified following the Standard Methods. The identified organisms include: Escherichia coli, Staphylococcus sp., Streptococcus sp., Citrobacter sp., Enterobacter sp., Klebsiella pneumonia, Proteus, Pseudomonas, Serratia marcescene, 63.6% being of the family Enterobacteriaceae. Two yeast genera were identified namely: Saccharomyces and Kluyveromyces. The Total Heterotrophic Plate Count (THPC) gave a range of 1.1 104-2.03 105CFU mL 1 with a mean of 5.2 104CFU mL 1 while the Total Coliform Plate Count (TCPC) gave a range of 1.1 103-8.5 105CFU mL 1 with a mean of 4.5 103CFU mL 1. The Yeast Plate Count (YPC) ranged between 2.1 101-6.2 101CFU mL 1 and a mean of 4.6 101CFU mL 1. The presumptive faecal coliform ranged between 0-180 coliforms 100 mL 1 giving a mean of 18.73 coliforms per 100 mL. E. coli/faecal coliforms were detected in 60% of the water samples. The aesthetic properties of the water samples were acceptable however the boreholes showed high values with ranges of 221-280, 52-77, 209-301 mg L 1, 200-250 us cm 1 for sodium, nitrate, chloride and conductivity respectively in comparison with local and international standards. These results showed that there is need for treatment of these water boreholes by the borehole proprietors and also by simple treatment methods such as boiling and agitation by the consumers.
Production of Yoghurts from Three Different Kinds of Milks Using Lactobacillus bulgaricus and Saccharomyces cerevisiae
C.N. Obi,J.C. Maduagwu
Research Journal of Dairy Sciences , 2012,
Abstract: Six kinds of yoghurts were produced from cow, goat and sheep milks using Lactobacillus bulgaricus and Saccharomyces cerevisiae (baker s yeast) as starter cultures which were used separately and as a consortium. Goat and sheep milks fermented separately with each of the starter cultures had lower pH than those of cow s milk. The textures of yoghurts from goat and sheep s milks were thicker than the yoghurt from cow milk which was watery. The acidity of the six kinds of yoghurt was low when compared with commercial yoghurts produced with a mixed culture of L. bulgaricus and Streptococcus thermophillus. Yoghurts from goat and sheep s milks were preferred to yoghurt from cow, although goat milk s yoghurt had a characteristic goat like aroma and it will be more preferred if the goat like aroma is removed. Pasteurization of the fermented milk product had no effect on their acidity. Hence, yoghurt from goat and sheep s milk were found acceptable to the panelists.
Microbiological Analyses of Freshly Laid and Stored Domestic Poultry Eggs in Selected Poultry Farms in Umuahia, Abia State, Nigeria
C.N. Obi,A.J. Igbokwe
Research Journal of Biological Sciences , 2012,
Abstract: Freshly laid and stored domestic fowl eggs of 7, 14 and 21 days old respectively were microbiologically analyzed for organisms on their shells, in the chalazae, albumen and yolks. All the egg parts were analyzed by plating unto Nutrient, McConkey and Sabourand`s Dextrose agars respectively. Nine bacterial isolates which included Salmonella typhi, Escherichia coli, Staphylococcus aureus, Enterobacter, Bacillus, Alcaligenes, Proteus, Pseudomonas and Serratia and five fungal genera namely Aspergillus, Penicillium, Cladosporium, Monilia and Rhizopus were isolated and identified in all the samples. The bacterial load was in the range with 3.3x106-1.5x107 CFU mL-1 with the shell having the highest and the albumen the lowest load respectively. Result showed presence of pathogenic microbes in the sample analyzed and was concluded that domestic fowl eggs should not be consumed raw.
Microbiological Analyses of Freshly Laid and Stored Domestic Poultry Eggs in Selected Poultry Farms in Umuahia, Abia State, Nigeria
C.N. Obi,A.J. Igbokwe
Research Journal of Biological Sciences , 2012,
Abstract: Freshly laid and stored domestic fowl eggs of 7, 14 and 21 days old, respectively were microbiologically analyzed for organisms on their shells in the chalazae, albumen and yolks. All the egg parts were analyzed by plating on Nutrient, McConkey and Sabourand s Dextrose media, respectively. Nine bacterial isolates which include Salmonella sp., Escherichia coli, Staphylococcus aureus, Enterobacter sp., Bacillus subtilis, Alcaligene sp., Proteus vulgaris, Pseudomonas aeruginosa and Serratia marcescenes and five fungal genera namely Aspergillus, Penicillium, Cladosporium, Monilia and Rhizopus were isolated and identified in all the samples. The bacterial load was in the range of 3.3 x106-1.5 x107 cfu mL -1 with the shell having the highest and the albumen the lowest load, respectively. Result showed presence of pathogenic microbes in the samples analyzed and it was concluded that domestic fowl eggs should not be consumed raw.
Microbiological Analyses of Poultry Feeds Sold in Umuahia Main Market, Abia State, Nigeria
C.N. Obi,I.J. Ozugbo
Research Journal of Applied Sciences , 2012,
Abstract: Four brands of commercial poultry feeds (Vital, Top, Pfizer and Guinea) were subjected to microbiological analysis. Each of the four brands had four feed types namely Starters, Growers, layers and finishers feed. All these samples were analyzed by plating unto nutrient, Mc conkey and Potato Dextrose agars. Bacteria isolated from the samples are Staphylocuccus aureus, Bacillus subtilis, Pseudomonas aeroginosa, Proteus vulgaris, Erwinia sp., Enterobacter aerogenes, Micrococcus sp. and Escherichia coil while the fungal isolate were Penicillium sp., Rhizopus, Aspergillus and Cladosporium sp. The bacterial load of the feeds was in the range 1.13 108-3.0 107 with the Top Feed giving the highest number of bacterial contamination. Guinea, Vital and Pfizer feeds had the lowest number of contamination. The feeds were found to be contaminated and could pose potential health problems to the birds and humans.
Microbiological Analyses of Freshly Laid and Stored Domestic Poultry Eggs in Selected Poultry Farms in Umuahia, Abia State, Nigeria
C.N. Obi,A.J. Igbokwe
Research Journal of Biological Sciences , 2007,
Abstract: Freshly laid and stored domestic fowl eggs of 7, 14 and 21 days old respectively were microbiologically analyzed for organisms on their shells, in the chalazae, albumen and yolks. All the egg parts were analyzed by plating unto Nutrient, McConkey and Sabourand`s Dextrose agars respectively. Nine bacterial isolates which included Salmonella typhi, Escherichia coli, Staphylococcus aureus, Enterobacter, Bacillus, Alcaligenes, Proteus, Pseudomonas and Serratia and five fungal genera namely Aspergillus, Penicillium, Cladosporium, Monilia and Rhizopus were isolated and identified in all the samples. The bacterial load was in the range with 3.3x106-1.5x107 CFU mL-1 with the shell having the highest and the albumen the lowest load respectively. Result showed presence of pathogenic microbes in the sample analyzed and was concluded that domestic fowl eggs should not be consumed raw.
’n Calvinistiese kultuurbeskouing
C.N. Venter
Koers : Bulletin for Christian Scholarship , 1970, DOI: 10.4102/koers.v37i3&4.1315
Abstract: Ons sê met opset 'n Calvinistiese kultuurbeskouing, want daar is meer as een Calvinistiese kultuurbeskouing. In die ouere werke oor die geloofs- en sedeleer van die Christen ontbreek 'n selfstandige behandeling van kultuur meestal geheel en al. Die oorsaak hiervan lê waarskynlik daarin dat die kultuur as ’n gevaar vir ’n lewe in die vrese van die HERE beskou is. Die kultuur was van ,die wêreld’ en moes sover as moontlik vermy word — hoewel die Christen tog van die vrugte van ,die kultuur’ gebruik kon maak, want of hy nou ’n vreemdeling op aarde was, of ’n pelgrim na die ewigheid of ’n wagter op ’n wagpos op hierdie aarde, hy moes tog eet en drink en aantrek. Hy moes tog leef. Maar die basiese uitgangspunt was dat ,die kultuur’ net so wêrelds was as ,die wêreld’ self en dus sover moontlik gemy moes word.
Die verhale van kinders wat seksuele misbruik oorleef het: ’n Pastoraal-narratiewe ondersoek
C.N. Malan
HTS Theological Studies/Teologiese Studies , 2009, DOI: 10.4102/hts.v62i3.388
Abstract: The stories of children who survived sexual abuse: A pastoral-narrative inquiry This article presents the stories of two survivors. These stories show how the survivors were invited to capture “sparkling events” and developed them into preferred stories, and how by living in these stories, they could experience themselves in preferred and satisfactory ways. This article introduces various ways by which the news of empowerment and transformation can be circulated. The stories of these survivors were re-written and transformed by a community of shared experience, and it was through this experience that they could start dreaming about the transformation of their communities realizing how their stories and their journey had the ability to touch and transform the lives of numerous other survivors.
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