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ASRB ARS (Animal Nutrition) Syllabus 2026, Exam Pattern
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ASRB ARS (Animal Nutrition) Preliminary Exam - English150 questions • 120 mins • 150 marks
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ASRB ARS (Animal Nutrition) Syllabus 2026, Exam Pattern
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ASRB ARS (Animal Nutrition) Syllabus 2026, Exam Pattern, Exam Date 2026
Detail Information about ASRB has published notification 2026 for the recruitment of Agriculture Research Service (Animal Nutrition) 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 Nutrition |
| 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 Nutrition) Syllabus 2026
Animal Nutrition :
Unit 1: Energy and Protein :
Nutritional significance of carbohydrates, lipids and proteins. Cell-wall fractionation. Available energy from organic nutrients. Partitioning of dietary energy. Basal metabolic rate. Energy retention. Factors affecting energy utilization. Direct and indirect calorimetry. Dietary lipids - their digestion, absorption and metabolism. Essential fatty acids. Effect of dietary fat on milk and body composition. Proteins - digestion, absorption and utilization. Comparative efficiency of amino acids as energy source. Essential and critical amino acids. Protein evaluation methods in non-ruminant and ruminants. Metabolizable protein concept. Protein energy inter-relationship. Energetics of protein utilization for maintenance and different productive functions.
Unit 2: Minerals, Vitamins and Feed Additives :
Minerals: Classification of minerals, Physiological functions, Deficiency symptoms and toxicity - Inter-relationships-synergism and antagonism, Requirements of minerals in different categories of livestock. Different sources and comparative bio-availability among inorganic, organic, hydroxy and nano –minerals. Role of chelated minerals. Probable trace minerals. Toxic minerals. Vitamins: Physiological functions and co-enzyme role, Deficiency symptoms, hyper-vitaminosis. Requirements, Sources and vitamin analogues- Anti-vitamins. Feed Additives: Nutritional role. Prebiotics, Probiotics, phytochemicals and metabolic modifiers. Role of phyto-chemicals as growth promoters. Feed enzymes.
Unit 3: Rumen eco-system and functions :
Rumen and its environment. Development of functional rumen. Digestion kinetics in reticulorumen, Role of rumen microbes, Significance of rumen fungi. Defaunation and transfaunation. Microbial fermentation in rumen. VFA production, inter-conversion and utilization. Dietary protein breakdown. Microbial protein synthesis. NPN compounds and their utilization. Ammonia toxicity - Role of slow release urea compounds. Manipulation of rumen fermentation. Bio-hydrogenation and utilization of dietary lipids. Methanogensis, methane estimation using different in vitro and in vivo techniques and methane inhibitors.
Unit 4: Non-ruminant Nutrition :
Comparative gastrointestinal physiology of monogastrics — digestion and metabolism of organic nutrients in poultry and swine. Significance of minerals and vitamins in monogastrics. Inter relationship in nutrient sparing activity. Nutrient requirements and feeding systems of swine and poultry. Role of feed additives - Factors affecting nutritional quality and performance. Special nutritional needs of rabbits, horses and companion animals.
Unit 5: Nutrient Requirements :
Energy and protein requirements for maintenance and productivity in ruminants and non - ruminants. Colostrum feeding of calf, mineral and vitamin requirements, Dry matter intake in relation to productivity. DM: water intake ratio. Palatability. Nutritional intake and energy density. Feeding standards - NRC, ARC, Kearl and Indian. Nutrient requirements under temperate and tropical environment. Feeding strategies during stress and natural calamities - Ration formulation - least cost rations. Feeding and Nutrient requirements of zoo and wild animals.
Unit 6: Forage Conservation and Evaluation :
Natural and cultivated forges-Their composition and nutritive values. Nutritive value index. Forage quality evaluation in range animals. Role of indicator methods. Advances in silage and hay making. Quality criteria and grading of silage and hay. Artificial drying of forages. Factors affecting quality of conserved forages.
Unit 7: Feed Processing and Technology :
Significance and methods of feed processing-physical, chemical and biological, effect of processing on nutritional quality and utilization. Pelleted and extruded feeds. Quality control of raw feedstuffs and finished feeds: Significance of BIS (standards), Codex Alimentarius and HACCP in quality control. Feed mill, its layout and operations. Handling and storage of raw and finished feeds. Methods to improve shelf life of fat rich feeds, Utilization of by-products of newly introduced commercial crops including residues of genetically modified feeds. Alternative feed resources for ruminants and non-ruminants. Current approaches in enriching tropical feed resources - concept of total mixed ration and advances in complete diet formulation.
Unit 8: Anti-metabolites and Toxic Principles :
Naturally occurring anti-nutritional factors and common toxins in feeds and forages. Methods of detoxification. Health hazards due to residual pesticides in feeds and forages - Environmental pollutants.
Unit 9: Elements of Research Methodology :
Principles of animal experimentation, Experimental designs in nutritional research. Modern methods of feed evaluation- in vitro gas production and nylon bag techniques, Rumen simulation techniques- Rusitec. Tracer techniques in animal nutrition research. Role of NIR spectroscopy. Feed microscopy in quality evaluation of feedstuffs.
Unit 10: Clinical Nutrition :
Role of nutrition to control digestive and metabolic disorders (milk fever, ketosis, ruminal acidosis, laminitis, bloat, etc.) and metabolic profile tests. Role of nutrition in immunity, nutrition and reproduction, nutrients as antioxidants. Role of nutrition in management of GI parasites.
ASRB ARS (Animal Nutrition) 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 Nutrition | 150 | 150 |
| Total | 150 | 150 |
Mains Exam
| S.No | Subject | Marks | Duration |
| 1 | Animal Nutrition | 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
FAQs
Asrb Ars (animal Nutrition) 2026 Exam Syllabus Frequently Asked Questions (FAQ's)
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