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All Journal African Journal of Biochemistry and Molecular Biology Research Open Access DRIVERset African Journal of Medicine, Surgery and Public Health Research
Bode A. S
Unknown Affiliation
Biochemistry, Genetics & Molecular Biology Immunology & microbiology Medicine & Pharmacology Nursing Public Health

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The Role of Earthworms as Bioindicators of Heavy Metal Concentrations in Soil Fauna within Mubi North Local Government Area, Adamawa State Bode A. S; Adamu M. Y; Abdulnasir M
African Journal of Biochemistry and Molecular Biology Research Vol 3 No 2 (2026): African Journal of Biochemistry and Molecular Biology Research
Publisher : Darul Yasin Al Sys

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.58578/ajbmbr.v3i2.10440

Abstract

Heavy metal contamination in agricultural soils poses ecological and public health concerns, requiring reliable biological indicators for monitoring soil quality. This study examines the role of earthworms as bioindicators of heavy metal contamination in Mubi North Local Government Area, Adamawa State, Nigeria. Earthworm samples were collected from two farms and analyzed for concentrations of chromium (Cr), copper (Cu), manganese (Mn), nickel (Ni), and zinc (Zn). The results revealed that copper had the highest concentration, followed by nickel and zinc, while manganese and chromium were comparatively lower. Pearson correlation analysis showed that chromium and nickel exhibited moderate positive correlations across both farms, suggesting possible common sources or similar uptake mechanisms. Manganese showed a weak correlation in Farm 1 but a stronger correlation in Farm 2, indicating site-specific environmental influences. In contrast, copper and zinc showed consistently weak correlations, suggesting that their accumulation may be influenced by localized environmental factors. Comparisons with World Health Organization permissible limits indicated that copper and nickel concentrations were relatively high, raising concerns about potential ecological risks and human health impacts through bioaccumulation in the food chain. These findings support the use of earthworms as reliable bioindicators of soil contamination because of their sensitivity to environmental pollutants and capacity to accumulate heavy metals. The study contributes to environmental monitoring and soil quality assessment by demonstrating the relevance of earthworm-based biomonitoring in agricultural ecosystems and highlights the need for regular environmental surveillance and sustainable agricultural practices in Mubi North to protect soil health and public welfare.
The Role of Earthworms as Bioindicators of Heavy Metal Concentrations in Soil Fauna within Mubi North Local Government Area, Adamawa State Bode A. S; Adamu M. Y; Abdulnasir M
African Journal of Biochemistry and Molecular Biology Research Vol 3 No 2 (2026): African Journal of Biochemistry and Molecular Biology Research
Publisher : Darul Yasin Al Sys

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.58578/ajbmbr.v3i2.10440

Abstract

Heavy metal contamination in agricultural soils poses ecological and public health concerns, requiring reliable biological indicators for monitoring soil quality. This study examines the role of earthworms as bioindicators of heavy metal contamination in Mubi North Local Government Area, Adamawa State, Nigeria. Earthworm samples were collected from two farms and analyzed for concentrations of chromium (Cr), copper (Cu), manganese (Mn), nickel (Ni), and zinc (Zn). The results revealed that copper had the highest concentration, followed by nickel and zinc, while manganese and chromium were comparatively lower. Pearson correlation analysis showed that chromium and nickel exhibited moderate positive correlations across both farms, suggesting possible common sources or similar uptake mechanisms. Manganese showed a weak correlation in Farm 1 but a stronger correlation in Farm 2, indicating site-specific environmental influences. In contrast, copper and zinc showed consistently weak correlations, suggesting that their accumulation may be influenced by localized environmental factors. Comparisons with World Health Organization permissible limits indicated that copper and nickel concentrations were relatively high, raising concerns about potential ecological risks and human health impacts through bioaccumulation in the food chain. These findings support the use of earthworms as reliable bioindicators of soil contamination because of their sensitivity to environmental pollutants and capacity to accumulate heavy metals. The study contributes to environmental monitoring and soil quality assessment by demonstrating the relevance of earthworm-based biomonitoring in agricultural ecosystems and highlights the need for regular environmental surveillance and sustainable agricultural practices in Mubi North to protect soil health and public welfare.
Challenges of Slaughter Slab Management in Hong Local Government Area of Adamawa State. Bode A. S; Adamu M. Y; Mary M
African Journal of Medicine, Surgery and Public Health Research Vol 3 No 2 (2026): African Journal of Medicine, Surgery and Public Health Research
Publisher : Darul Yasin Al Sys

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.58578/ajmsphr.v3i2.10339

Abstract

Slaughter slabs are essential facilities for processing animals intended for human consumption; however, poor management can compromise meat safety, environmental sanitation, and public health. This study investigated the challenges of slaughter slab management in Hong Local Government Area of Adamawa State, Nigeria. A survey research design was adopted, using random sampling to select 100 respondents. Primary data were collected through structured questionnaires and focus group discussions, while secondary data were obtained from journals, proceedings, textbooks, brochures, and manuals. The data were analyzed using descriptive statistics, including tables, means, frequencies, and percentages. The findings indicate that poor administrative structure undermines the quality and safety of meat produced in the slaughter slab. In particular, the absence of adequate meat inspection raises serious concerns regarding meat safety and consumer health. The study further revealed that poor sanitary conditions within the slaughter slab environment negatively affect workers, users, nearby residents, and host communities, increasing their exposure to waterborne disease risks. The study concludes that effective slaughter slab management requires improved administrative oversight, sanitary infrastructure, and routine health supervision. It recommends that the local government provide adequate waste disposal facilities, appoint health personnel to supervise meat-processing practices, and educate butchers on hygienic meat handling, processing, and packaging. These findings contribute to public health and environmental management discourse by highlighting the need for stronger institutional support and hygiene-based governance in local slaughter slab operations.
Co-Authors Abdulnasir M Adamu M. Y Mary M