IFOS Animal Husbandry and Veterinary Science Optional Syllabus 2026: PDF, Paper 1 & Paper 2 Topics

IFOS Animal Husbandry and Veterinary Science Optional Syllabus 2026 outlines the topics prescribed for the Indian Forest Service Main Examination. It helps you understand the subjects covered in both papers and prepare each section in a systematic manner.

The syllabus includes Animal Nutrition, Physiology, Livestock Production and Management, Genetics, Veterinary Science, Animal Diseases, Public Health, Milk and Meat Technology, and Extension Education. Studying the complete syllabus before starting your preparation helps you prioritise important topics and plan your revision effectively.

IFOS Animal Husbandry and Veterinary Science Optional Syllabus 2026 Overview

Before beginning your preparation, it is important to understand the structure of this optional subject and the topics covered in each paper. 

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IFOS Animal Husbandry and Veterinary Science Optional Syllabus 2026 PDF

The official syllabus is available in the UPSC Indian Forest Service Examination notification. You should refer to the official notification to prepare according to the prescribed topics.

IFOS Animal Husbandry and Veterinary Science Optional Paper 1 Syllabus 

The Animal Husbandry Paper 1 Syllabus mainly focuses on animal nutrition, physiology, livestock production, and genetics. The important topics are listed below.

1. Animal Nutrition

• Energy sources and energy metabolism
• Protein nutrition and protein metabolism
• Minerals in animal diet
• Vitamins, hormones, and growth-promoting substances
• Ruminant nutrition
• Dairy cattle nutrition
• Poultry nutrition
• Swine nutrition
• Feeding standards
• Balanced ration
• Digestibility and feeding experiments

2. Animal Physiology

• Growth and development
• Animal production
• Milk production
• Mammary gland physiology
• Reproductive organs and functions
• Digestive system
• Environmental physiology
• Climatic stress adaptation
• Semen composition
• Artificial insemination
• Semen preservation
• Estrus detection
• Deep freezing techniques

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3. Livestock Production and Management

• Commercial dairy farming
• Dairy farm planning
• Dairy farm economics
• Herd management
• Feeding management
• Green fodder production
• Meat, egg, and wool production
• Sheep, goat, pig, rabbit, and poultry management
• Feeding during drought, flood, and natural disasters

4. Genetics and Animal Breeding

• Mitosis and meiosis
• Mendelian inheritance
• Gene expression
• Linkage and crossing over
• DNA and genetic code
• Mutation
• Recombinant DNA technology
• Population genetics
• Hardy-Weinberg Law
• Gene frequency
• Inbreeding
• Selection methods
• Heritability
• Crossbreeding
• Breeding systems
• Selection indices
• Genetic evaluation

IFOS Animal Husbandry and Veterinary Science Optional Paper 2 Syllabus 

The Animal Husbandry Paper 2 syllabus focuses on veterinary science, public health, diseases, milk technology, meat technology, and extension education.

1. Health and Hygiene

Topics include:

• Histology
• Histological techniques
• Cytology
• Embryology
• Bovine anatomy
• Anatomy of fowl
• Blood physiology
• Circulatory system
• Respiratory physiology
• Excretory system
• Endocrine glands
• Pharmacology
• Therapeutics
• Veterinary hygiene
• Water, air, and housing hygiene

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2. Animal Diseases

Important areas include:

• Infectious diseases
• Production diseases
• Deficiency diseases
• Bloat
• Diarrhoea
• Impaction
• Poisoning
• Neurological disorders
• Immunization
• Disease prevention
• Chemoprophylaxis
• Anesthesia
• Surgical conditions
• Disease investigation techniques
• Animal health centres

3. Veterinary Public Health

The IFoS Veterinary Science Optional Syllabus includes:

• Zoonotic diseases
• Epidemiology
• Disease transmission
• Food-borne diseases
• Water-borne diseases
• Veterinary jurisprudence
• Animal disease control rules
• Veterinary legal cases
• Sample collection methods

4. Milk and Milk Products Technology

Important topics are:

• Milk procurement
• Milk collection
• Milk testing
• Milk grading
• Milk processing
• Pasteurized milk
• Toned milk
• Sterilized milk
• Flavoured milk
• Cultured milk products
• Dahi
• Lassi
• Shrikhand
• Butter
• Ghee
• Cheese
• Khoa
• Channa
• Ice cream
• Whey products
• Quality control
• Packaging
• Legal standards

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5. Meat Hygiene and Technology

This section also covers:

• Meat hygiene
• Ante-mortem examination
• Slaughter procedures
• Meat inspection
• Meat preservation
• Meat spoilage
• Meat quality
• Meat products
• Meat packaging
• Poultry meat technology
• Egg technology
• Rabbit farming
• Wool grading
• Slaughterhouse by-products

6. Extension Education

The final section of the syllabus includes:

• Extension philosophy
• Principles of extension
• Rural extension methods
• Technology transfer
• Farmer education
• Rural development programmes
• Animal husbandry extension

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How to Prepare for the IFOS Animal Husbandry and Veterinary Science Optional Syllabus 2026?

• Build your preparation by studying Animal Nutrition, Physiology, and Genetics first.
• Cover Livestock Production and Management before moving to Veterinary Science and Animal Diseases.
• Prepare short notes for important diseases, breeding methods, hormones, and veterinary terminology.
• Practice labelled diagrams related to anatomy, physiology, reproductive organs, and digestive systems for better answer presentation.
• Revise scientific names, disease prevention methods, and livestock management practices regularly.
• Solve previous years’ question papers to understand the pattern of descriptive questions.
• Keep sufficient time for revision to improve retention and answer-writing speed.

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