Known and famous methods may be ancient:
1- Digestive Testing (Digestion Boxes) in vivo
2- comparison of the results of their nitrogen content, the beginning and end of the experiment.
There are new ways I do not know ..! Does anyone tell us about them?
@Monyer al-fatlawi
Great scientific article
Thank you very much for your information
Book: FEEDING SYSTEMS AND FEED EVALUATION MODELS
Edited by - M.K. Theodorou
Department of Animal Science and Microbiology
Institute of Grassland and Environmental Research
Aberystwyth
UK
and
J. France
Department of Agriculture
University of Reading
UK
Book: Sheep Nutrition - M. Freer and H. Dove
CSIRO Plant Industry
Canberra
Australia
http://www.aaccnet.org/publications/cc/backissues/1977/Documents/Chem54_984.pdf
http://ageconsearch.tind.io//bitstream/117194/2/36.pdf
Two sites you can find good information
Dear Sir:
this link may help you
http://www.ag.auburn.edu/~chibale/an16sheepfeeding.pdf
wishing you all best
Protein requirements calculated by conducting nitrogen balance trials, feeding trials and factorial method where endogenous urinary nitrogen, metabolic faecal nitrogen, nitrogen loss through skin and biological values (BV) of proteins are estimated to assess the protein requirements.
http://www.aaccnet.org/publications/cc/backissues/1977/Documents/Chem54_984.pdf
- Badges
- Science topic
- Similar topics
- Biological Science
- Immunology
- Antibodies