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

ECTS: 6.00

E-learning: L1

Teaching hours: 60
Lectures: 30
Laboratory exercises: 28
Seminar: 2

Associate teacher for seminars

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%
Insufficient (1)
Sufficient (2)
Good (3)
Very good (4)
Excellent (5)

Weekly class schedule

  1. Sampling of feeding materials for analysis, physical analysis of feeding materials.
  2. Proximate analysis, Introduction to instrumental analytical methods.
  3. 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).
  4. Methods of analysis of structural and storage carbohydrates (detergent fiber, dietary fiber, starch, sugars, amylose/amylopectin).
  5. Methods of analysis of vitamins, antioxidants and minerals.
  6. Methods of analysis of undesired compounds (anti-nutritive compounds, toxins and secondary metabolites of plants and microorganisms).
  7. Methods for determination of total tract digestibility and retention of energy and nitrogen.
  8. Methods for determination of digestibility in rumen and ileum, blood sampling and cannulating techniques.
  9. Nutrient digestibility kinetics.
  10. Passage kinetics.
  11. Biological trials with animals [trials of nutrient utilisation (growth/production, consummation, conversion) and animal response.
  12. Evaluation of nutritive status of animal, methods for determination of animal preference in feeding materials.
  13. Methods of estimation and determination of energy value of feeding materials for main animal species.
  14. Systems and models of estimation of feeding material nutritive value and animal energy requirements (empirical, dynamic and mechanistic models).
  15. Formulation and optimisation of ration using available software.

Obligatory literature

  1. Moughan, P. J., Hendriks, W. N. (2018) Feed evaluation science. Wageningen: Wageningen Academic Publishers.
  2. Wiseman, J., Cole, D. J. A. (2013) Feedstuff Evaluation. London: Butterworths
  3. Serna-Saldivar, S.O.(2012). Cereal grains. Laboratory reference and procedures manual, Boca Raton: CRC press.
  4. Givens, D.I., Owen, E., Axford, R.F.E., Omed H.M. (2000). Forage evaluation in ruminant nutrition. Wallingford:CABI Publishing

Recommended literature

  1. 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

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