HFE305 Feed Manufacturing Technology

Credits (ECTS):10

Course responsible:Olav Fjeld Kraugerud

Campus / Online:Taught campus Ås

Teaching language:Engelsk

Limits of class size:35

Course frequency:Annually

Nominal workload:250 hours.

Teaching and exam period:This course starts in August block. This course has teaching/evaluation in August block, Autumn parallel. Exam will be held in October.

About this course

The following topics will be covered through lectures and demonstrations: The structure of the feed industry. Receiving, storing and transporting feed ingredients. Chemical changes during processing related to nutrition. Pelleting - principles and major effects. Pellet quality. Extrusion. Dosing, weighing and mixing of diets. Pelleting - technical part. Conditioning. Expander treatment. Grinding of feed ingredients. Use of liquid feed ingredients. Cooling and drying. Process quality assurance program (ISO 9001). Feed milling administration, maintenance program and flowdiagram of feed factories.

Learning outcome


  • After this course, the student should be familiar with most of the processes that are used in the feed industry, and they should have gained knowledge of the causes and the justification for the use of the processes by taking into consideration knowledge about nutritional requirements, ingredient characteristics and key steps in the processes
  • The studnets should be familiar with the main chemical changes that raw material can undergo in the process


  • Students must account for key quality factors and methodology
  • Students should be able to present process settings for typical feed for key animal species

General competences

  • Through this course, students will become familiar with the topic of feed technology, among other things through knowledge of both nutrition and processing, and its importance in food production systems. Including its strengths and weaknesses
  • Teaching will be as lectures combined with demonstrations and group work at Center for Feed Technology. In addition, an individual report describing the general principle of feed processing must be handed in and approved.
  • Basic knowledge in nutrition equivalent to HFE200 is required.
  • 3 hour written examination.

  • External examiner.
  • Demonstrations (practical work in lab and pilot plant) and assignmnents are compulsory. The cimpolsory assignmnents will be announced at the beginning of the course.
  • Approximately 40 hours of lecturing and 30 hours of demonstrations.
  • Special requirements in Science