ICAR JRF Dairy Science Syllabus 2026 — Code 16

Major Subject Group: Dairy Science
Sub-Subjects: 16.1 Dairy Microbiology · 16.2 Dairy Chemistry

This is the complete syllabus page for ICAR JRF Dairy Science (Code 16). The paper is not just general dairy GK. It is a compact technical paper built around milk chemistry, product chemistry, dairy microbiology, starter cultures, bacteriological quality control, and dairy safety standards.

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Exam Snapshot

Parameter	Details
Subject Code	16 — Dairy Science
Subject Group	Major Subject Group: Dairy Science
Total Questions	120 MCQs
Duration	2 Hours
Marking Scheme	+4 per correct answer
Negative Marking	−1/3 per wrong answer
Question Type	Multiple Choice (Single correct)
Medium	English

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Latest Official Notification Details

Parameter	2026-27 Official Detail
Notice Date	08 May 2026
Application Window	08 May 2026 to 07 June 2026 (up to 5:00 PM)
Fee Payment Deadline	07 June 2026 (up to 11:50 PM)
Correction Window	09 June to 10 June 2026
Exam Date	04 July 2026 (Saturday)
Mode	Computer Based Test (CBT)
Pattern	Objective type MCQs
Medium	English only
Duration	02 hours (120 minutes)
Test Cities	Around 122 cities across India
Source	NTA 2026 Public Notice PDF · ICAR Syllabus PDF

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What Is Officially Fixed For Code 16

• Code 16 is the official major subject group for Dairy Science in AICE JRF/SRF (Ph.D.).
• The paper is conducted in English only, in CBT mode, for 120 minutes.
• The official syllabus publicly groups the paper around Dairy Microbiology and Dairy Chemistry.
• NTA publishes the exam notice, date, duration, mode, and application schedule, but it does not publish official chapter-wise weightage for Dairy Science.
• High-yield areas on this page are therefore exam guidance, not an official NTA marks-distribution sheet.

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Core Coverage Map

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Unit-I: Food and Milk Chemistry Base

This opening unit gives the chemistry foundation that supports both milk quality questions and product chemistry questions later in the paper.

• Chemical composition of foods of plant and animal origin
• Structure and functions of food constituents
• Additives, preservatives, flavours, and antioxidants
• Composition and physico-chemical and nutritional properties of milk and colostrum
• Chemistry of milk constituents and nutrients
• Chemistry of milk products
• Tests for quality of milk, butter, ghee, and milk powder
• Adulterants, neutralizers, preservatives, and their detection
• Heat stability of milk

Unit-II: Dairy Microbiology

This is one of the strongest scoring zones because paper setters can convert almost every subtopic into direct MCQs.

• Introduction to dairy microbiology
• Milk production hygiene
• Critical risk factors affecting microbiological quality on-farm
• Microorganisms associated with milk
• Classification based on growth temperature:
  • psychrotrophs
  • mesophiles
  • thermodurics
  • thermophiles
• Microbial metabolites and their role in spoilage:
  • souring
  • curdling
  • gassiness
  • ropiness
  • proteolysis
  • lipolysis
  • abnormal flavour and colour
• Antimicrobial systems in raw milk
• Microbiological grading of raw milk
• Microflora of mastitic milk and its dairy importance
• Food poisoning, food infections, toxi-infections, and milk-borne diseases

Unit-III: Dairy Product Chemistry

• Composition and chemistry of cream
• Butter chemistry
• Ghee chemistry and spoilage
• Ice-cream chemistry
• Cheese chemistry
• Condensed and dried milk chemistry
• Infant food chemistry
• Use of antioxidants in ghee
• Chemistry of milk fermentation
• Chemistry of rennin coagulation of milk
• Changes during cheese ripening
• Physico-chemical changes during manufacture and storage of milk powder
• Lactose crystallization and its significance
• Physico-chemical changes during manufacture of indigenous milk products
• Quality standards of dairy products

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Unit-IV: Bacteriological Aspects of Milk Processing

• Thermization
• Pasteurization
• Boiling
• Sterilization
• UHT treatment
• Bactofugation
• Membrane filtration
• Microbiological quality of cream, butter, ice-cream, concentrated dairy products, dried milks, infant milk foods, and indigenous dairy products
• Factors affecting microbiological quality during production, processing, handling, storage, and distribution
• Enumeration, isolation, and identification of conventional and emerging dairy pathogens
• Detection of microbial toxins
• Drug residues in milk and their public health importance
• Microbial defects associated with dairy products and their control
• Microbiology of dairy starters
• Classification, genetic aspects, and carbohydrate metabolism of lactic acid bacteria (LAB)
• Preservation, propagation, and quality control of dairy starters
• Starter inhibition by antibiotic residues, detergents, sanitizers, and bacteriophages
• Microbiology of fermented milks and cheeses
• Probiotic concept in dahi, yoghurt, kefir, kumiss, Bulgarian milk, cultured buttermilk, leben, yakult, cheddar, and processed cheese
• Dairy plant hygiene and sanitation
• Microbiology of air, water, equipment, packaging materials, personnel, and dairy waste disposal
• Microbiological standards for milk and milk products

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Exam-Focused High-Yield Areas

Area	Why it matters in Dairy Science prep
Milk composition and quality tests	Easy MCQ zone for adulteration, heat stability, and constituent-based questions
Psychrotrophs, thermodurics, mastitic milk microflora	Repeatedly tested as classification-plus-application topics
LAB and dairy starters	One of the most exam-friendly bridges between microbiology and fermented products
Cheese, ghee, and milk powder chemistry	High-return product chemistry blocks with direct theory questions
Pasteurization, UHT, bactofugation, membrane filtration	Important because they connect processing method with microbiological control
Spoilage patterns and defects	Paper setters often test product-defect or microbe-defect matching
Drug residues and public health importance	Small topic, but very likely for conceptual MCQs
Quality standards and dairy hygiene	Important closing layer for safety-oriented questions

Quick Reference: What To Revise First

Area	What to revise first
Dairy Microbiology	Organism classes, spoilage types, mastitic milk, milk-borne diseases, LAB, starter inhibition
Milk Chemistry	Milk composition, colostrum, adulteration tests, preservatives, neutralizers, heat stability
Product Chemistry	Ghee spoilage, cheese ripening, milk fermentation, lactose crystallization, milk powder changes
Processing Bacteriology	Pasteurization, UHT, membrane filtration, bactofugation, product-wise microbial quality
Safety & Standards	Drug residues, toxins, hygiene, plant sanitation, microbiological quality standards

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Best Books for ICAR JRF Dairy Science

This list keeps the same book-to-syllabus mapping format used across the JRF subject pages.

Book	Best use in the syllabus
Outlines of Dairy Technology — Sukumar De	Best base coverage for Code 16
Dairy Chemistry and Biochemistry — Patrick F. Fox & Paul L. H. McSweeney	Best for dairy chemistry and milk constituents
Dairy Microbiology Handbook — Richard K. Robinson	Best for dairy microbiology, starters, spoilage, and pathogens
Technology of Indian Milk Products — R. P. Aneja, B. N. Mathur, R. C. Chandan & A. Banerjee	Best for Indian milk products and product chemistry
Food Science — B. Srilakshmi	Best backup if the chemistry base is weak
Minimal rank-oriented plan	Dairy Chemistry and Biochemistry — Fox & McSweeney, Dairy Microbiology Handbook — Richard K. Robinson, and Outlines of Dairy Technology — Sukumar De + PYQs

How To Prepare The General Agriculture Layer Efficiently With AgriDots

For plant- and agriculture-heavy JRF groups, the common agriculture base is explicit in the official syllabus itself. That is clear in groups such as Agronomy, Soil Science, Horticulture, Entomology, Plant Science, Plant Biotechnology, Social Sciences, and Water Science & Technology. In the animal, dairy, fisheries, food, engineering, forestry, community-science, and statistics groups, the same layer still improves scores because objective papers reward candidates who can quickly eliminate options using basic knowledge of crops, soils, schemes, extension, economics, statistics, and current agriculture.

So the practical rule is simple: do not prepare your subject in isolation. Keep one common-agriculture revision layer active throughout your JRF preparation.

Shared Books For The Common Agriculture Layer

Book	Best use in common JRF preparation
Fundamentals of Agriculture, Vol. 1 & 2 — Arun Katyayan	Best base book for crop production, soils, nutrient deficiency, plant biology, genetics, pests, diseases, and agriculture basics
A Competitive Book of Agriculture — Nem Raj Sunda	Best for objective revision once the basic theory is already clear
Objective Agriculture for JRF Exam — S. R. Kantwa	Useful for MCQ drilling, recall speed, and mixed-agriculture practice
General Agriculture for ICAR Examinations — Muniraj Singh Rathore	Good backup book for one-line revision and broad competitive coverage

Why AgriDots Is More Efficient Than Reading Books Alone

Use AgriDots for	Why it is faster than books alone
Shared Agriculture Course	It compresses the overlapping JRF base into linked notes across agronomy, soil science, horticulture, genetics, pathology, entomology, economics, extension, animal husbandry, fisheries, ecology, and agricultural statistics instead of forcing you to extract overlap manually from multiple standard books
Topic-Wise Agriculture Practice Tests	You can revise chapter by chapter immediately after reading instead of waiting until one full book is complete
Agriculture Test Series	Mixed-subject Revision Warrior quizzes train recall across subjects, which is closer to how objective papers actually feel
Agriculture Current Affairs Hub	Books do not stay current on MSP, schemes, production reports, fertilizer policy, dairy/fisheries updates, or digital-agriculture changes

Efficient JRF Workflow With AgriDots

1. Read one main subject book for your core discipline and keep the rest of the books as support, not as parallel first reads.
2. Use /courses/agriculture to finish the overlapping general-agriculture layer faster than building notes from multiple books.
3. After each topic, solve topic-wise quizzes so weak areas become visible immediately.
4. Use Revision Warrior mixed tests to train switching between crop, soil, genetics, economics, extension, and current-affairs questions.
5. Use agriculture-current-affairs every week so your static preparation stays updated with schemes, policy, production, and report-based questions.

Why this works better than books alone: standard books build depth, but they are slow, repetitive across subjects, and weak on current agriculture. AgriDots is better for speed, revision order, topic linking, and exam-style recall, while books remain your depth source.

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Preparation Strategy

1. Finish milk composition, adulteration, preservatives, and heat stability first because they create the chemistry base for the whole paper.
2. Then do dairy microbiology in one sweep: organism classes, spoilage patterns, mastitic milk, pathogens, LAB, and starters.
3. Revise product chemistry crop-wise, not randomly: cream → butter → ghee → cheese → condensed/dried milk.
4. Keep processing bacteriology for the final high-yield revision phase because pasteurization, UHT, filtration, and hygiene questions are usually fast to score.
5. Practice PYQs with a strict habit of matching product + defect + organism + control measure.