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ASRB ARS Animal (Genetics & Breeding) Syllabus 2026, Exam Pattern
ASRB ARS (Animal Genetics & Breeding) Syllabus 2026, Exam Pattern, Exam Date 2026
Detail Information about ASRB has published notification 2026 for the recruitment of Agriculture Research Service (Animal Genetics & Breeding) vacancies. Those Candidates who are Interested to the following vacancy and completed all Eligibility Criteria can read the Notification & Apply Online. In this page we provide the Complete Syllabus of this Recruitment with Latest Update Exam Pattern and the Exam Date also.
ASRB ARS Notification 2026 - Overview
| Organization Name | Agricultural Scientists Recruitment Board (ASRB) |
| Exam Name | Agricultural Research Service (ARS) Examination 2026 |
| Post Name | Animal Genetics & Breeding |
| No.of Posts | Notified Soon |
| ASRB ARS Prelims Exam Date 2026 | Notified Soon |
| Mains (Descriptive) Exam (ARS) | Notified Soon |
| Mode of Application | Online |
| Selection Process | Prelims, Mains and Interviews |
| Category | Syllabus and Exam Pattern |
| Official Website | www.asrb.org.in |
ASRB ARS (Animal Genetics & Breeding) Syllabus 2026
Animal Genetics & Breeding :
Unit 1: Overview of Genetics :
Mendelism and its deviations. Chromosomes and heredity. Sex in relation to chromosomes and genes. Linkage and crossing over. Artificial transmutation of genes. Penetrance and expressivity. Multiple factor inheritance. Gene modifiers. Non-chromosomal genes and their inheritance, Chromosomal aberrations and Genetic disorders. Cytogenetics & Immunogenetics of farm animals. Immune response. Antigen-antibody response. MHC, BoLA, BuLA. Toll like receptors, Interleukins. Hybridoma and its significance.
Unit 2: Advanced Genetics :
Fine structure of chromosomes and chromosomal banding. Gene and mechanism of gene action. DNA replication. Genetic code. Recombinant DNA technology. Development of clones in relation to animal productivity and maintaining biodiversity. Production of transgenic animals. Gene mixing for useful functions. Gene expression and its control. Concept of genomics and proteomics. DNA sequencing, Genome Sequencing. Next generation sequencing, GWAS. Epigenetic control. Genomic selection.
Unit 3: Overview of Breeding :
Brief history of domestication of livestock. Important breeds of livestock and poultry with special reference to economic characters. Evolution of genetic systems. Isolating mechanisms and origin of species/sub-species, their adaptation. Mating systems for different livestock and poultry. Genetic and phenotypic consequences and applications of inbreeding and out- breeding. Genetic basis of heterosis and its use. Diallele and polyallele crossing. Reciprocal and reciprocal-recurrent-selection. Combining ability. Developments in population and production of livestock and poultry in India. Status of Animal Genetic Resources in India.
Unit 4: Genetic Properties of Population :
Population Vs individual. Inheritance and continuity of population. Effective population size. Description of animal population. Value and means; Average effect of gene and gene substitution. Components of total phenotypic variance of a population. Resemblances between relatives. Concept of heritability, repeatability; & phenotypic, genetic and environmental correlations. Methods of estimation, uses, possible biases and precision of estimates. Biodiversity. Genetic diversity assessment. Population structure. Genetic Admixture. Breed signature.
Unit 5: Population Genetics :
Gene and genotypic frequencies and factors affecting them. Hardy Weinberg Law and consequences of it. Prediction of selection response by different methods. Selection for threshold characters. Indirect selection and correlated response. Theoretical basis of change of population mean and variance on inbreeding and cross breeding. Genotype-environment interaction. Metric characters under natural selection. Quantitative trait loci and their applications. Marker-assisted selection. Candidate gene approach.
Unit 6: Genetic Strategies :
Purpose-wise breeding strategies for livestock and poultry under different agro- climatic zones of India. Evaluation of past genetic improvement programmes for livestock and poultry in India. Bottlenecks in implementation of livestock breeding programmes in India. Evaluation and characterization of various indigenous breeds of livestock and poultry. Ex-situ and In-situ conservation of animal and poultry genetic resources. Development of new breeds/ strains for better productivity in animals. Open nucleus breeding system in livestock improvement in India. Biotechnology and its role in improving animals and poultry production. Role of artificial insemination/ frozen semen / embryo transfer / ONBS / MOE technology in animal breeding. Formulation of breeding programmes: Purpose wise, breed- wise, region-wise for different species of livestock and poultry. Programmes for genetic improvement of non- descript livestock population of different species. Evaluation and recommendations of breeding programmes of cattle, buffalo, sheep, goat, swine, camel and equine in India.
Unit 7: Selection & Selection Experiments :
Basis and methods of selection. Construction of selection indices. Different methods of sire evaluation. Selection differential and intensity of selection. Prediction of response. Improvement of response. Effect of selection on variance. Realized heritability. Long term and short-term objectives of selections. Selection experiments in livestock and poultry. Role of control population in selection experiments. Selection for disease resistance and development of general and specific disease resistant strains / breeds. Purpose based selection and breeding of domestic animals and poultry. Genetic- slippage. Estimation of genetic divergence and its implications in livestock improvement programmes. Selection for better feed conversion efficiency in meat animals and poultry.
Unit 8: Genetic Laboratory Techniques :
Gene sequencing. Karyotyping and chromosomal mapping. Concept of recombinant DNA techniques cloning and gene mapping. Nucleic acid hybridization. Development of breed descriptors at molecular level for different livestock and poultry breeds. Collection and storage of samples for DNA fingerprinting; isolation and quantification of DNA from blood and semen; Restricted enzyme digestion of genome DNA, Analysis and transfer of DNA from agarose electrophoresis; Nucleic acid hybridization; Analysis of DNA fingerprinting, PCR-RFLP assay. Cloning. Cryogenic preservation of animal germplasm. ELISA. FISH chromosome painting and PRINS; SCH and RH panel mapping.
Unit 9: Research Techniques for Quantitative Animal Genetics :
Estimation of variances and covariances. ANOVA. Maximum likelihood. REML. MINQUE. Bayesian approach. Development of statistical models for analyses of breed data and to quantify environmental variance. BLUP animal model, sire model and repeatability model. Estimation of inbreeding and relationship. Estimation of inbreeding rate in a closed herd / flock. Estimation and interpretation of genetic and phenotypic parameters. Estimation of genetic gains. Designing fieldbased progeny testing programmes. Development of efficient methods and traits for genetic evaluation of males under indigenous conditions. Data bank concept. Genetic distance and phylogeny analysis. Whole genome analysis. Bioinformatics tools for sequence analysis. Concept and application of Multiple linear regression, Discriminant function, Cluster analysis, Least squares analysis, Principal component analysis, Multiple dimension scaling and Random regression models.
Unit 10: Laboratory Animal Breeding :
Laboratory animal species viz., mice, rat, guinea pig, rabbit, dog and monkey - Their chromosome numbers -genome size major genes. Physiological, nutritional, reproduction parameters, maintenance protocol pedigree recording, planned mating. Selection and Mating methods /systemsmonogamous, polygamous and others. Genetic control and monitoring- Record keeping-Ethics and legislation for management and use of laboratory animals. Nomenclature for different strains, inbred lines (SPF line, Knockout mice, etc.) - Animal model for human disease. Specific utility of different laboratory species for different requirements
ASRB ARS (Animal Genetics & Breeding) Exam Pattern 2026
Preliminary Exam
Duration : 120 Minutes
Negative Marking : 0.33
Mains Exam
Prelims Exam Date 2026 : Notified Soon
Mains Exam Date 2026 : Notified Soon
Starting Date of Application Form : Notified Soon
Last Date of Application Form : Notified Soon
Duration : 120 Minutes
Negative Marking : 0.33
| S.No | Subject | No.of Question | Marks |
| 1 | Animal Genetics & Breeding | 150 | 150 |
| Total | 150 | 150 |
Mains Exam
| S.No | Subject | Marks | Duration |
| 1 | Animal Genetics & Breeding | 200 | 03 Hour |
| Total | 200 | 03 Hour |
Prelims Exam Date 2026 : Notified Soon
Mains Exam Date 2026 : Notified Soon
Starting Date of Application Form : Notified Soon
Last Date of Application Form : Notified Soon
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