De kwantitatieve botanische analyse van veevoedermiddelen

J.A. Ezendam

Research output: Thesisinternal PhD, WU


It was of importance in the evaluation of feedingstufrs to know its quantitative composition. A qualitative botanical indicated purity but a quantitative test was needed for the degree of purity. Natural feedstuffs always contained a certain amount of foreign material, which could be considered either as natural or chance contamination. The manufacturer had to ensure that commercial feedstuffs had a high degree of purity. Whenever there was consideration in the trade of standards for purity, it was necessary to be able to check these standards.

Ezendam worked out a method of measuring impurities both quantitatively and qualitatively. It was tested on some feedstuffs and thus led the way for microscopic study of feedingstuffs.

Original languageDutch
QualificationDoctor of Philosophy
Awarding Institution
  • Wageningen University
  • Aberson, J.H., Promotor, External person
Award date17 Mar 1921
Place of PublicationDen Haag
Publication statusPublished - 1921
Externally publishedYes


  • feeds
  • composition
  • agriculture

Cite this