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All Journal Journal of the Indonesian Tropical Animal Agriculture Tropical Animal Science Journal
Effendi, M. H.
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Agriculture, Biological Sciences & Forestry Earth & Planetary Sciences Energy

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Seroprevalence and associated risk factors of avian influenza virus subtype H9N2 in backyard poultry of Peshawar Pakistan Rehman, S.; Khan, M. I.; Rantam, F. A.; Effendi, M. H.; Shehzad, A.; Tariq, A.
Journal of the Indonesian Tropical Animal Agriculture Vol 46, No 3 (2021): September
Publisher : Diponegoro University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14710/jitaa.46.3.209-218

Abstract

The current study was conducted to estimate the serological prevalence and risk factors associated with the transmission of avian influenza subtype H9N2 among backyard poultry from different villages of semi-arid climate district Peshawar Pakistan between January to May 2019. In total, 240 blood samples of healthy backyard poultry older than two months were collected from 30 different villages of district Peshawar. A predesigned questionnaire was used to collect the data related to risk factors. Se-rum samples were tested through the haemagglutination inhibition (HI) test further confirmed by the micro-neutralizing test (MN). Antibody body titer ≤ 8 considered negative for prevalence of H9N2. In order to classify risk factors, Chi-square and Logistic regression analyses were performed. Out of 240, 150 were found to be positive. The overall seroprevalence was 62.5%, mean antibody titer for avian influenza virus in all villages was 6.8 and (95%) confidence interval ranges from 35.33 to 51.70% re-spectively. The high prevalence of antibodies to avian influenza viruses in bird serum emphasizes that avian influenza plays an important role in the respiratory infections of backyard chickens in the area, and possibly throughout Pakistan. In order to avoid the introduction of H9N2, biosecurity initiatives, surveillance, monitoring systems, and to some extent, vaccinations are useful tools.
Association of a Synonymous SNP of INHA Gene with Litter Size Trait in Indonesian Thin-Tailed Sheep Abuzahra, M.; Wijayanti, D.; Effendi, M. H.; Mustofa, I.; Munyaneza, J. P.; Eid, L. A.; Ugbo, E. N.
Tropical Animal Science Journal Vol. 47 No. 3 (2024): Tropical Animal Science Journal
Publisher : Faculty of Animal Science, IPB University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.5398/tasj.2024.47.3.273

Abstract

The inhibin alpha (INHA) serves as a marker for the number of fully developed ovarian follicles and plays a crucial role in regulating the secretion of pituitary FSH (follicle-stimulating hormone) and the frequency of ovulation. This study aims to examine the effect of INHA gene polymorphisms on the litter size of thin-tailed sheep. Detection of single nucleotide polymorphisms (SNPs) in the INHA gene was performed using PCR and DNA sequencing techniques. A total of 45 ewes were included in the study. Three SNPs were identified: g.236311141G>C, g.236311367G>A, and g.236311368G>A. Further investigation of the g.236311367G > A variant revealed that individuals with the GA genotype had a significantly higher litter size than those with the AA or GG genotype (p<0.05). SNPs at positions g.236311141G/C and g.236311368G/A were non-synonymous mutations resulting in amino acid changes p.A225P and V301I, respectively. Our results suggest that g.236311367G>A loci may serve as a potential molecular marker for improving the litter size trait in thin-tailed sheep.
Co-Authors Abuzahra, M. Eid, L. A. Khan, M. I. Munyaneza, J. P. Mustofa, I. Rantam, F. A. Rehman, S. Shehzad, A. Tariq, A. Ugbo, E. N. Wijayanti, D.