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All Journal Indonesian Journal of Agricultural Research Jambura Journal of Animal Science Anoa: Journal of Animal Husbandry Indonesian Journal Of Business And Entrepreneurship Research
Tella, Adetunmbi
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Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Economics, Econometrics & Finance Environmental Science Immunology & microbiology Social Sciences Veterinary Other

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Evaluation of Heat Stress Impacts on Physiological Responses in Two Indigenous Nigerian Goats Tella, Adetunmbi; Dandara, Gazali B; Gabriel, Godfrey O; Oluwadele, Joshua; Osunkeye, Jacob O
Jambura Journal of Animal Science Vol 7, No 1 (2024): Jambura Journal of Animal Science
Publisher : Animal Husbandry Department, Faculty of Agriculture Gorontalo State University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35900/jjas.v7i1.25203

Abstract

Stress comes in many forms for livestock, including physical, chemical, nutritional, thermal, and psychological stress. Changes in skin temperature, heart rate, respiration rate, and rectal temperature are indicators of physiological reactions to heat stress. Regression investigation of the physiological reactions of Nigerian native goat breeds (West African dwarf and Red Sokoto) to heat stress was the goal of this study. 400 goats (200 West African Dwarf and 200 Red Sokoto) from Osun, Ondo, and Ekiti states in Nigeria were subjected to varying climatic conditions (temperature and humidity) in order to gather data on physiological indicators (rectal temperature, pulse rate, and respiration rate). An analysis of variance (ANOVA) was performed to evaluate variations in the physiological parameters, and the temperature and humidity index (THI) was computed for the study's environmental conditions.  The coefficient of determination (R2), which represents the accuracy of the predictions, was calculated using regression analysis. The results demonstrated that both breeds' physiological characteristics reacted similarly, with higher THI values considerably increasing heart rate, respiration rate, and rectal temperature. Regression evaluation indicated that THI had a significant (P ≤ 0.05) and positive effect on heart rate (R² = 0.545), respiration rate (R² = 0.32), and rectal temperature (R² = 0.146) for the Red Sokoto breed. These physiological adaptations enable goats to survive and thrive in challenging and variable environments.
Regression Analysis of Phenotypic Traits of West African Dwarf Goats (Capra Hircus) In Derived Savanna Zone of Nigeria Tella, Adetunmbi
Anoa: Journal of Animal Husbandry Vol 4 No 1 (2025): Februari
Publisher : Universitas Islam Negeri Alauddin Makassar

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24252/anoa.v4i1.54634

Abstract

Three hundred and ninety-nine (399) West African dwarf goats from the Ejigbo Local Government Area in Osun State and the surrounding Derived Savanna Zone of Nigeria were evaluated for body measures and live weight. Analysis was done on data pertaining to 194 bucks and 205 does. These were categorized into six age groups (milk teeth, 2-teeth, 4-teeth, 6-teeth, 8-teeth, and worn teeth) and recorded by sex. The purpose of the study was to characterize the phenotype of the WAD goat and identify the best model or models for predicting liveweight based on body measures in the experimental location, which is Nigeria's derived savanna zone. For both sexes, body measurement values rose significantly (P < 0.05) with age. In bucks, the average body weight was 5.32 ±0.15 to 29.63±1.88 kg, while in does, it was 5.75±0.13 to 30.29±1.22 kg. In terms of body weight and other physical parameters, sex variations were discovered. For quantitative features including heart circumference, body length, rump height, foreleg height, and withers height, the fitted linear regression equations also show that the coefficients were positive and significant (P < 0.05). Moreover, at all ages, multiple regression considerably increased the coefficient of determination (R2) (P < 0.05). In summary, body weight and linear body measurements are economically significant characteristics in animal genetic resources, particularly for small ruminants like goats during selection, to offer precise weight determination in isolated locations without a scale.
Effect of breeds on haematological parameters and some serum biochemical profiles of goat exposed to heat stress Tella, Adetunmbi; Ekeocha, Anthony; Adebayo, Francis Bosede; Oluwadele, Joshua; Aro, Samuel Olanrewaju
Indonesian Journal of Agricultural Research Vol. 8 No. 1 (2025): InJAR, Vol. 8, No. 1, March 2025
Publisher : Talenta Publisher

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32734/injar.v8i1.11634

Abstract

This study examined the effect of breed on serum biochemical profiles and haematological markers in heat-stressed West African dwarf and Red Sokoto goats. The Temperature Humidity Index (THI) was computed using the recorded ambient temperature and relative humidity of the research. 95 goats in the Nigerian states of Osun, Oyo, and Kwara—50 Red Sokoto and 45 West African Dwarf goat breeds—had blood collected from them, all of whom appeared to be in good health. Haematological parameters (Packed Cell Volume (PCV%), haemoglobin (Hbxg/dl), red blood cell counts (RBC x /µl), white blood cell counts (WBC x /µl) and serum biochemistry, which includes total protein (TP x g/dl), albumin (ALxg/dl), globulin (GL x g/dl ), albumin and globulin ratio (AL/GL%), glucose (GLU x Mg/dl), sodium( x mmol/L), potassium ( x mmol/L) and calcium ( x mmol/L) concentrations in RS and WAD goat breeds were carried out. The results of the investigation showed variations in haematological and biochemical parameters between breeds.
Analysis of Expressions of Heat Shock Protein Genes in Nigerian indigenous Goats exposed to Heat Stress Tella, Adetunmbi
Jambura Journal of Animal Science Vol 7, No 2 (2025): Jambura Journal of Animal Science
Publisher : Animal Husbandry Department, Faculty of Agriculture Gorontalo State University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35900/jjas.v7i2.26359

Abstract

HSP90 and HSP70 genes (markers) were used with 45 genomic deoxyribonucleic acid (DNA) isolated from West African Dwarf goat breeds in Nigeria to determine the expression patterns amongst the heat shock protein genes. Polymorphism information content (PIC) of marker; was determined to ascertain the informativeness of the marker.  Fourty five numbers of samples were obtained from WAD goats which were apparently healthy from Osun, Oyo and Kwara State of Nigeria.   At the time of collection, the ambient temperature (0°C) and relative humidity (RH) (percent) were also recorded and this revealed that all the sampled animals were heat stressed.  Polymerase chain reaction (PCR) was carried out using each marker (heat shock protein gene) , isolated DNA, doublen distilled water and PCR Master Mix. PCR products generated were subjected to polyacrylamide gel electrophoresis on an ABI 3730 DNA Sequencer. DNA bands were scored based on size of ladder with Gene Scan 3.1.2. Bands obtained were designated as alleles and prepared into Excel Worksheet with Microsatellite Analyzer version 4.05 software and allele frequencies were generated. The results revealed allele A and C as major allele by marker SSR1 (HSP90) and marker SSR2 ( HSP70)  genes respectively with percentage value of allele A slightly higher than C , effective number of alleles for all loci of SSR1 was lower than the SSR2.. The heighest (Ne1) expected heterozygousity value of 0.40 was revealed by marker 2(HSP 70 gene) as against the lower value of 0.36 revealed by marker 1 (HSP 90 gene) in WAD goats.   PIC per gene or marker across populations ranged from 0.55 (HSP90 ) to 0.59 (HSP70) indicating that the markers were informative (PIC ≥ 0.50). In conclusion, the two markers (HSP 90 and HSP 70) could therefore be serving as bio-markers for selection and breeding programmes for thermo- tolerance in livestock animals especially WAD goats under thermal stress.
Entrepreneurial Prospects of Animal Breeding and Genetics: The Perspectives of Undergraduates in Two Nigerian Universities Tella, Adetunmbi
Indonesian Journal of Business and Entrepreneurship Research Vol. 2 No. 1 (2024): Vol. 2, No. 1, January 2024: Indonesian Journal of Business and Entrepreneurshi
Publisher : Fakultas Ekonomi dan Bisnis Universitas Negeri Makassar

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.62794/ijober.v2i1.701

Abstract

The study explored the entrepreneurial prospects of animal breeding and genetics from the viewpoints of undergraduates at two Nigerian institutions. The study looked at how undergraduates perceive the potential for entrepreneurship in the fields of animal breeding and genetics; it determined whether they intend to pursue entrepreneurship in any of the identified fields of the discipline; and examined the relevance of the curriculum to the entrepreneurship knowledge needed to succeed in the fields; and identified the difficulties that these undergraduates might face in their entrepreneurial intention endeavors. The study adopted a qualitative methodology to explore the entrepreneurial prospects of animal breeding and genetics from the viewpoints of undergraduates at two Nigerian institutions.  30 undergraduate students from two universities were taken to represent the sample for the study. An open-ended survey created on Google form was used for the collection of data.  The link of the Google form was sent to the students’ platform in the Department of Animal Genetics in the two selected universities. The findings demonstrated that Animal Breeding and Genetics undergraduate students perceive the potential for entrepreneurship in animal breeding and genetics to be numerous including setting up animal clinic, animal breeding laboratory, establishing a poultry business, setting up a consultancy outlet on animal breeding and genetics, among others.  Majority of the undergraduate students indicate their intention to pursue entrepreneurship in animal breeding and genetics instead of looking for the white-collar jobs.  Furthermore, the current curriculum in Animal Breeding and Genetics in the two universities are very relevant to the fields and the knowledge they have gathered so far is enough to succeed if taking into entrepreneurship after the completion of the bachelor’s degree programme. The challenges envisaged by the respondents include lack of initial capital to setting up entrepreneurship business in Animal Breeding and Genetics, cooperation, understanding and support from parents and family members, government policy including registration of the business, among others. Data and information gathered through the administration of the open-ended survey was analysed thematically following the objectives of the study. The study drew it conclusion based on the findings from the study and also makes appropriate and relevant recommendations.
Co-Authors Adebayo, Francis Bosede Aro, Samuel Olanrewaju Dandara, Gazali B Ekeocha, Anthony Gabriel, Godfrey O Oluwadele, Joshua Osunkeye, Jacob O