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Feedstuffs and Animal Nutrition

Course developer

Prior knowledge

LauZ2052, Feedstuffs

LauZ3145, Animal Nutrition

LauZ3194, Research Methods in Animal Husbandry

Vete2023, Animal Anatomy and Physiology

Course abstract

The aim of the study course is to determine nutrients in animal nutrition, production and evaluate the quality of feed, calculate feed rations for animals, and plan feed for animals of different species, ages, and productivity groups.

Course Content(Calendar)

In full-time face-to-face studies:
1. Requirements for designing the course work, setting the goal of the work and tasks to achieve it. 1 h
2. Choosing a topic and determining the structure of the work. 2 h
3. Selection of literature and creation of abstracts. 5 h
4. Preparation of literature justification. 15 h
5. Acquisition of data material of the selected topic. 20 h
6. Collection of obtained data material and calculation methods. 10 h
7. Zootechnical and economic characteristics of feed used for research animals. 3 h
8. Preparation of feed rations for animals. 5 h
9. Analysis of feed rations. 3 h
10. Planning the need for fodder for animals. 3 h
11. Drawing up a fodder production plan for animals of different age and productivity groups. 2 h
12. Results analysis and economic justification. 4 h
13. Development of conclusions and proposals. 3 h
14. Correcting and improving the course work. 1 h.
15. Designing and submitting the course work. 1 h.
16. Preparation and defense of the presentation of the course work. 3 h
Part-time part-time studies: The topics and amount of course content in hours are the same as in full-time face-to-face studies.

Requirements for awarding credit points

Successful assessment of the course work submitted and defended in an oral presentation.

Description of the organization and tasks of students’ independent work

Independently writes the course work, performs calculations and analyzes them, creates a summary of the studied literature.

Criteria for Evaluating Learning Outcomes

A student can get a passing grade for the course work if the volume of the work is at least 18 pages. A 4 format, excluding the list of used literature and appendices. Of the work volume 30 % is a summary of the studied literature (at least 15 sources of scientific and popular scientific literature). At least one ration of animal feed has been drawn up and analyzed. The course work is written in accordance with the methodological requirements of study works developed by the faculty. Prepared presentation and orally defended work.

Compulsory reading

1. Osītis U. Dzīvnieku ēdināšana kompleksā skatījumā. Ozolnieki, 2004. 363 lpp. Ir LLU FB 10 eks.
2. Osītis U. Barības līdzekļu novērtēšana atgremotāju ēdināšanā. Jelgava: LLKC, 1998. 102 lpp. Ir LLU FB 85 eks.
3. Osītis U. Lauksaimniecības dzīvnieku ēdināšanas praktikums. Rīga: Zvaigzne, 1987. 211 lpp. Ir LLU FB 153 eks.
4. Latvietis J., Sprūžs J., Osītis U. Normējošie kritēriji un kvalitātes prasības kombinētās spēkbarības gatavošanai. Jelgava: LLU,1998. 28 lpp. Ir LLU FB 5 eks.
5. Latvietis J. Lopbarības katalogs. Rīga: Latvijas Zinību biedrība, 1996. 85 lpp. Ir LLU FB 24 eks.
6. Degola. L.,Trūpa A., Aplociņa E. Lopbarības ķīmiskās analīzes un sagremojamība. Jelgava: SIA Drukātava, 2016. 52 lpp. ISBN 978-9984-48-219-4Ir LLU FB 13 eks.
7. Osītis U. Zirgu ēdināšana. Jelgava: Proventus Farms Pluss, 2007. 289 lpp. Ir LLU FB ~100 eks
8. Osītis U. Gaļas liellopu ēdināšana. Jelgava: LLU, 2000. 47. lpp. Ir LLU FB 54 eks.

Further reading

1. Latvietis J. Lopbarība. SIA Latvijas Lauku konsultāciju un izglītības centrs. Ozolnieki, 2013. 308 lpp. ISBN 978-9984-48-096-1 Ir LLU FB 55eks.
2. Lopbarības analīžu rezultātu apkopojums. SIA Latvijas Lauku konsultāciju un izglītības centrs. Ozolnieki, 2013. 47 lpp. Ir LLU FB 1 eks.
3. Minerālvielas liellopiem. SIA Latvijas Lauku konsultāciju un izglītības centrs. Ozolnieki, 2016. 35 lpp. Ir LLU FB 1 eks.
4. Studiju darbu noformēšanas noteikumi.
https://www.lf.lbtu.lv/sites/lf/files/2023-05/Stud_darbu_nof_noteik_2020_kor_02_05_23_2.pdf
5. NRC Nutrient requirements of swine. 11th rev.ed. Washington: The National Academies Press, 2012. 400 p https://www.nap.edu/catalog/13298/nutrient-requirements-of-swine-eleventh-revised-edition
6. Patience J.F., Thacker P.A., de Lange C.F.M. Swine nutrition guide. 2nd edition. Canada: Published by Prairie Swine Centre Inc., 1995. 274 p. http://www.prairieswine.com/publications-psc/pdf-sng/PREFACE.PDF

Periodicals and other sources

1. Saimnieks LV. Rīga: TEE BIO, 2004- ISSN 1691-1598.
2. AgroTops. Rīga: Aģentūra Agro apgāds. ISSN 1407-5164.
3. Journal of Animal Science, American Society of Animal Science. Print ISSN 0021-8812, Online ISSN 1525-3163

Notes

Students consolidate the acquired knowledge about the nutrients and feedstuffs needed by animals, their quality and provision in a specific farm, as well as in the composition and optimization of feed rations. Students acquire the skills to navigate the principles of rationing of nutrients and feedstuffs for animals of various species and to draw up rations. Students acquire the ability to speak publicly, discuss and skillfully defend their opinion, independently prepare a presentation and defend it professionally, using the latest information technologies. Students will be competent to use the acquired knowledge and skills professionally in the development of animal nutrition and scientific research. A successfully developed and defended coursework.