Information Package / Course Catalogue
Feed Additives
Course Code: VHB602
Course Type: Required
Couse Group: Third Cycle (Doctorate Degree)
Education Language: Turkish
Work Placement: N/A
Theory: 2
Prt.: 0
Credit: 2
Lab: 0
ECTS: 5
Objectives of the Course

Term of feed additives and teaching feed additives used under this term. Teaching the goals of using feed additives, usage conditions of feed additives. Teaching the importance of usage of feed additive in modern/intensive animal production. Explaining the economical relations between feed additive cost in the total cost of feeding and income of enhanced production.

Course Content

Term of feed additives and teaching feed additives used under this term. Teaching the goals of using feed additives, usage conditions of feed additives. Teaching the importance of usage of feed additive in modern/intensive animal production. Explaining the economical relations between feed additive cost in the total cost of feeding and income of enhanced production.

Name of Lecturer(s)
Prof. Ahmet Gökhan ÖNOL
Learning Outcomes
1.Knowing the meaning of feed additive term and its content.
2.Understanding the importance of feed additives in animal production.
3.Having information about the efficacy, goal and proper usage of common feed additives used in animal nutrition
4.Determination of pellet quality
5. Substances enhancing marketing power of animal products.
Recommended or Required Reading
1.Nir, İ., Şenköylü, N. (2000). Kanatlılar için Sindirimi Destekleyen Yem Katkı Maddeleri, Trakya Üniversitesi, Tekirdağ Ziraat Fakültesi, Tekirdağ.
2.Çakmakçı, s., Çelik, İ. (2000). Gıda Katkı Maddeleri, Atatürk Üniversitesi, Ziraat Faklültesi Ofset Tesisi, Erzurum.
3.Perry, T.W. Cullison, A.E., Lowrey R.S. (2003). Feeds and Feeding. Pearson Education Ltd. New Jersey.
4.Rehm, HJ., Reed, G. (1995). Biotechnology: Enzymes, Biomass, Food and Feed. Volume 9, VCH, Weinheim, New York, Basel, Cambridge, Tokyo.
Weekly Detailed Course Contents
Week 1 - Theoretical
Definition, properties and classification of feed additives.
Week 2 - Theoretical
Vitamins, water and fat soluble vitamins, minerals, animal originated minerals, natural minerals, synthetic minerals, chelates.
Week 3 - Theoretical
Amino acids, by pass proteins, by pass fats, energy providers.
Week 4 - Theoretical
Substances used for feed production and enhancement in storage life (antifungals and adsorbent substances)
Week 5 - Theoretical
Substances used for feed production and enhancement in storage life (antioxidants, pellet binders, emulgatores
Week 6 - Theoretical
Performance enhancers – Feed palatability enhancers (flavour and aromatics) – Substances effecting digestibility (enzymes)
Week 7 - Theoretical
Performance enhancers - Substances effecting digestibility (prebiotics, probiotics, organic acids) (Midterm exam)
Week 8 - Theoretical
Supplementation of feed additives to feeds and its considerations
Week 9 - Theoretical
Performance enhancers - Substances effecting digestibility (buffers, isoacids, substances effecting ion transport, ionophors, methane inhibitors, bloat preventers, saliva enhancers, defaunators, grids)
Week 10 - Theoretical
Performance enhancers – Substances altering animal metabolism (hormones and substances effecting carcass composition)
Week 11 - Theoretical
Performance enhancers –Growth promoters (Antimicrobials, saponines)
Week 12 - Theoretical
Substances effecting animal health (drugs, insecticides, immunmodulators)
Week 13 - Theoretical
Substances enhancing marketing power of animal products.
Week 14 - Theoretical
Other feed additives/ legal regularization
Week 15 - Final Exam
Final exam
Assessment Methods and Criteria
Type of AssessmentCountPercent
Midterm Examination1%30
Final Examination1%70
Workload Calculation
ActivitiesCountPreparationTimeTotal Work Load (hours)
Lecture - Theory140228
Assignment42112
Reading90654
Midterm Examination112214
Final Examination115217
TOTAL WORKLOAD (hours)125
Contribution of Learning Outcomes to Programme Outcomes
PÇ-1
PÇ-2
PÇ-3
PÇ-4
PÇ-5
PÇ-6
PÇ-7
PÇ-8
PÇ-9
PÇ-10
PÇ-11
PÇ-12
PÇ-13
PÇ-14
PÇ-15
PÇ-16
PÇ-17
PÇ-18
PÇ-19
OÇ-1
5
5
OÇ-2
5
5
5
OÇ-3
5
5
OÇ-4
OÇ-5
Adnan Menderes University - Information Package / Course Catalogue
2026