The concept of codon usage bias (CUB) occurs when certain codons are utilized more repeatedly than the other synonymous codons for an amino acid. The investigation of CUB aids in the understanding of optimal codons, gene expression, protein production and trends of evolution. Tua...
Open access
Research Article10.9734/ajriz/2026/v9i1245
Bisphenol A (BPA) is a chemical compound that is utilized in the manufacturing of epoxy resins and polycarbonate plastics including food cans, baby bottles, dental sealants, toys, water pipes, & thermal papers. Its widespread application resulted in its elevated exposure to a...
Open access
Research Article10.9734/ajriz/2026/v9i1246
This study investigates the physicochemical characteristics and heavy metal contamination of the Maniyari River in the Takhatpur region of Chhattisgarh, with the objective of assessing the extent of anthropogenic influence and ecological risk. Water samples were collected from th...
Open access
Research Article10.9734/ajriz/2026/v9i1247
Colour aberrations are well documented in many wild birds, but less synthesized for waterfowl. Leucism (partial or total) is a hereditary condition that alters the generation of pigments (eumelanin and/or phae-omelanin) in feathers due to a lack of pigment-producing cells in the...
Open access
Research Article10.9734/ajriz/2026/v9i1242
Ohaturuonye Sampson O., Ekwere Ifiok O., Ekesiobi Sandra U., Robinson Bright E., Okpoji Awajiiroijana U., Osuagwu Eze L. & Okpanachi Clifford B.·Asian Journal of Research in Zoology·2026
Heavy metal contamination of aquatic environments poses significant ecological and public health concerns in the Niger Delta, where fish constitute a major source of animal protein. This study assessed and compared the concentrations of ten heavy metals in farmed catfish from fiv...
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Research Article10.9734/ajriz/2026/v9i1243
Aphid infestations represent a major threat to sugar beet production in Egypt, necessitating effective and sustainable control strategies. This two-year field study [Insecticide applications on September 19th (2024) and September 22nd (2025)] to evaluated the efficacy of some ins...
Open access
Research Article10.9734/ajriz/2026/v9i1241
Luana Bortolini Giesta, Diego Leandro Oliveira Silva, Luiz Cesar Hoefling, Virgínia Fonseca Pedrosa & Luis Alberto Romano·Asian Journal of Research in Zoology·2026
Papillomavirus (PV) is a small circular double-stranded DNA virus of the Papillomaviridae family, widely distributed among vertebrates and characterized by high tropism for keratinized and mucosal epithelia. This study performed a histopathological evaluation of a cutaneous lesio...
Open access
Research Article10.9734/ajriz/2026/v9i1240
Izuchukwu Emeka C., John Ebikienmo P., Ekesiobi Sandra U., Thompson Nwinam I., Okpoji Awajiiroijana U. & Etesin Monday U.·Asian Journal of Research in Zoology·2026
Surface waters in the Niger Delta remain critical sources of domestic water supply but are increasingly degraded by anthropogenic contamination. This study assessed heavy-metal contamination in the Nun River, Bayelsa State, Nigeria, and evaluated associated human health risks. Su...
Open access
Research Article10.9734/ajriz/2026/v9i1239
Aim: This study investigated dichlorvos-induced vital-organ toxicity and the modulatory effects of Vitamin C and Costus afer extract in Male Mice. Study Design: The study was a completely randomized design employing relevant statistical tools for analysis and interpretation. Plac...
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Research Article10.9734/ajriz/2026/v9i1238
MD Shahbaz, Nishant Ranjan, Anurag Sahay, Vikram Patil, Asfia Zafar, Mohammad Zafar Masroor, Digvijay Kumar & Aditi Roy·Asian Journal of Research in Zoology·2026
The Red-breasted Parakeet (Psittacula alexandri), a Near Threatened psittacid traditionally restricted to the sub-Himalayan and North-eastern tracts of India, is here documented for the first time in the urban landscape of Patna, Bihar. This extra-limital record and incipient est...
Open access
Research Article10.9734/ajriz/2026/v9i1237