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Evaluation methods of animal feeding materials (226418)
Course coordinator
Course description
Acquiring basic theoretical and practical methodical knowledge in evaluation of nutritional value of feeding materials and animal nutritional status.
Type of course
- Graduate studies / MS Courses taught in English (Elective course, 1 semester, 1 year)
ECTS: 6.00
E-learning: L1
Teaching hours: 60
Lectures: 30
Laboratory exercises: 28
Seminar: 2
Lecturer
Associate teacher for seminars
Grading
Sufficient (2): 60%
Good (3): 70%
Very good (4): 80%
Excellent (5): 90%
Types of instruction
- Lectures
- Laboratory practice/exercises
- Seminars
Learning outcomes
| Learning outcome | Evaluation methods |
|---|---|
| Estimate nutritional value of animal feeding materials | |
| Differentiate physical and chemical analyses applicable during feeding material evaluation | |
| Select minimal number of analyses for efficient feeding material evaluation | |
| Interpret results of feeding material analysis | |
| Apply results of feeding material analysis in diet formulation | |
| Estimate animal supply of nutrients | |
| Predict effect of production level on nutritional value of animal feeding material | |
| Predict economic and ecologic effects of feeding material evaluation in animal nutrition |
Methods of grading
| Evaluation elements | Maximum points or Share in evaluation | Grade rating scale | Grade | Direct teaching hours | Total number of average student workload | ECTS |
|---|---|---|---|---|---|---|
| 2 preliminary tests |
<60% 60% 70% 80% 90% |
Insufficient (1) Sufficient (2) Good (3) Very good (4) Excellent (5) |
Weekly class schedule
- Sampling of feeding materials for analysis, physical analysis of feeding materials.
- Proximate analysis, Introduction to instrumental analytical methods.
- Methods of analysis of nitrogen compounds and lipids (nitrogen compounds – protein fractions, free amino acids, amino acid profile, NPN, soluble protein, ammonium nitrogen; lipids – fatty acid profile, peroxide, saponification and iodine number).
- Methods of analysis of structural and storage carbohydrates (detergent fiber, dietary fiber, starch, sugars, amylose/amylopectin).
- Methods of analysis of vitamins, antioxidants and minerals.
- Methods of analysis of undesired compounds (anti-nutritive compounds, toxins and secondary metabolites of plants and microorganisms).
- Methods for determination of total tract digestibility and retention of energy and nitrogen.
- Methods for determination of digestibility in rumen and ileum, blood sampling and cannulating techniques.
- Nutrient digestibility kinetics.
- Passage kinetics.
- Biological trials with animals [trials of nutrient utilisation (growth/production, consummation, conversion) and animal response.
- Evaluation of nutritive status of animal, methods for determination of animal preference in feeding materials.
- Methods of estimation and determination of energy value of feeding materials for main animal species.
- Systems and models of estimation of feeding material nutritive value and animal energy requirements (empirical, dynamic and mechanistic models).
- Formulation and optimisation of ration using available software.
Obligatory literature
- Moughan, P. J., Hendriks, W. N. (2018) Feed evaluation science. Wageningen: Wageningen Academic Publishers.
- Wiseman, J., Cole, D. J. A. (2013) Feedstuff Evaluation. London: Butterworths
- Serna-Saldivar, S.O.(2012). Cereal grains. Laboratory reference and procedures manual, Boca Raton: CRC press.
- Givens, D.I., Owen, E., Axford, R.F.E., Omed H.M. (2000). Forage evaluation in ruminant nutrition. Wallingford:CABI Publishing
Recommended literature
- France, J., Kebreab, E. (2008). Mathematical modelling in animal nutrition. Wallingford: CABI Publishing McDonald, P., Edwards, R.A., Greenhalgh, J.F.D., Morgan, C.A. (2010). Animal Nutrition, 7. izdanje, Edinburgh: Pearson Education Limited