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Volume 58, Issue 322, October 2022

About the Cover

The study was conducted on 1,573 pregnant ewes slaughtered at Gwagwalada abattoir between September to October, 2021. The study was conducted to investigate foetal wastages associated with the slaughter of pregnant ewes and to detect some diseases or lesions associated with slaughtered sheep at the abattoir. The results obtained from the investigation revealed overall average foetal recovery rate of about 388 foetuses (24.7 %). The slaughtering of pregnant animals was significantly high in September (26.4 %) than in October (23.3 %). Pathological lesions and diseased conditions found to be associated with slaughtered sheep at the abattoir included: Abscesses 6.5 %, Cirrhosis of the liver 54.0 %, Helminthiasis 5.0 %, Mastitis 0.1 %, Pneumonia 10.8 % and Tuberculosis 0.57 %. Statistical analysis revealed significant differences (P>0.05) between the number of foetuses slaughtered. It is evident from the results of this study that the slaughter of pregnant ewes adversely effects the economics of sheep production in the areas covered by this study. It is therefore required that appropriate government legislation and policy efforts are required for effective monitoring and dissemination of information relevant to prevent unwholesome practices and prevent certain diseases which could be of enormous economic and public health significance in Nigeria. (Ref: Ramalan SM, Zaifada AU, Olatunji EA, Alagbe JO. Effects foetal wastage and some abnormal conditions in slaughtered ovine. Discovery, 2022, 58(322), 1084-1088)

Table of Contents

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SCIENCE

Free radical grafting of ethylcrotonate and ethylsalicylate onto HDPE by thermolysis method - an FTIR approach

Parthasarathy V, Sundaresan B, Dhanalakshmi V, Anbarasan R

High Density Polyethylene (HDPE) was functionalised with two different esters in an inert atmosphere of 1600 C under different experimental conditions by thermolysis method

Discovery, 2022, 58(322), 1045-1053

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Phytochemical, antioxidant and antibacterial activities of seed kernel extracts of Mangifera indica Linn. varieties

Kingsley C Nwachukwu, Ositadinma C Ugbogu

The aim of the research was to determine new antibacterial agents with antioxidant and phytochemical properties. The phytochemicals contents and antioxidant activities of the varieties were quantitatively determined with spectrophotometer

Discovery, 2022, 58(322), 1054-1063

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Phytochemical screening and antimicrobial effects of some indigenous medicinal plants on the MDR sewage wastewater bacteria of clinical importance

Ripan Chandra Das, Golak Majumdar, Shyamapada Mandal

Antimicrobial resistance has now become a serious global issue, responsible for hundreds of thousands of deaths worldwide. Treating with traditional synthetic antibiotic is becoming less effective and, in some cases, ineffective

Discovery, 2022, 58(322), 1064-1068

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Effect of Adding Iron on Nutrient Consumption and Determining the Causative Factor for Growth in the Marine Waters of the Syrian Coast

Ahmad ABDEL AZIZ, Hazem KRAWI, Firuz DARWICH

This research aims to study the effect of Fe fertilization on phytoplankton growth and nutrient consumption in some areas of the Syrian coast

Discovery, 2022, 58(322), 1069-1078

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Combined antibacterial activity of Punica granatum fruit peel extract with some antibiotics against human pathogenic bacteria: in vitro analysis

Tarique Nazira Banu, Shyamapada Mandal

The current study determines the antibacterial activity of pomegranate (Punica granatum) fruit peel ethanolic extract (PRE) against gram-negative (Pseudomonas aeruginosa and Escherichia coli) and gram-positive

Discovery, 2022, 58(322), 1079-1083

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Effects foetal wastage and some abnormal conditions in slaughtered ovine

Ramalan SM, Zaifada AU, Olatunji EA, Alagbe JO

The study was conducted on 1,573 pregnant ewes slaughtered at Gwagwalada abattoir between September to October, 2021. The study was conducted to investigate foetal wastages

Discovery, 2022, 58(322), 1084-1088

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Effect of topography on the heavy metal levels of raphia palm tree and oil palm tree wine produced within Awka South and North local government areas in Anambra State

Aniobi CC, Okeke HC, Okeke O, Akagha IC, Osueze CN, Ezeagwu PC

Studies were carried out to evaluate the effect of topography on the heavy metal levels of raphia palm tree and oil palm tree wine produced within Awka South and North local government areas using standard analytical procedures and instrumentation

Discovery, 2022, 58(322), 1089-1096

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MEDICINE

3D Quantitative structure–activity relationship to predict the anti-malarial activity in a set of Cycloguanil Analogs

Olalekan A. Agede, Mathew O. Bojuwoye, Adeniyi F. Adenike, Olugbenga A. Mokuolu, Catherine O. Falade

Anti-malarial drugs such as chloroquine, Sulphadoxine-pyrimethamine and mefloquine have become ineffective in the treatment of malaria due to development of resistance by the malaria parasite

Discovery, 2022, 58(322), 1097-1108

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Epidemiology of cholera outbreak in West Africa

Joy Chinwe Ngonadi, Gloria Otoo, Josiah Chukwuma Ngonadi

Cholera is among the common public health disease in Sub-Saharan Africa. Regarding the control of cholera, the special task force of the World Health Organization are battling the disease

Discovery, 2022, 58(322), 1109-1116

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Hematological, biochemical and histopathological assessment of the toxicity potential of seed kernel extracts of Mangifera indica Linn. varieties in mice

Kingsley C Nwachukwu, Chibuike Ibe, Nkechi C Nwachukwu, Ositadinma C Ugbogu

The aim of the research was to assess the toxicity potential of seed kernels extracts of Mangifera indica Linn varieties against the hematology, biochemistry, and histopathology in Swiss albino mice.

Discovery, 2022, 58(322), 1117-1127

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ENGINEERING

Design of a battery management system for PV/Wind system in Lagos, Nigeria

Samuel Dan-Essien, Stuart Brown, Ngwashi Divine, Emmanuel Tanyi

Battery management systems have existed as a technology to monitor the state of charge, voltage, temperature and sometimes state of health of a battery to ensure the battery lifespan

Discovery, 2022, 58(322), 1128-1140

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SOCIAL SCIENCE

Firms specific factors and the growth of insurance firms in Nigeria

KOLO Susan Nnadzwa, IBRAHIM Harrison, OBANDE Isaiah Ogalegwu

This study examined firms’ specific factors and the growth of insurance firms in Nigeria from 2011-2020. It used gross claim payment, insurance premium ratio and Altman Z-scores as the independent variables proxied by returned on equity (ROE)

Discovery, 2022, 58(322), 1141-1146

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Creative Commons License

© The Author(s) 2022. Open Access. This article is licensed under a Creative Commons Attribution License 4.0 (CC BY 4.0).