Studies on the digestibility of feeds in the ruminants and different methods for measuring it
2002
Kaldmaee, H. | Kirsel, R. | Kaert, O. | Vadi, M. (Estonian Agricultural Univ., Tartu (Estonia))
To study the organic matter digestibility of feeds 22 in vivo and in vitro digestion experiments were carried out by using DAISY II filter bags system in the Eerika Experimental Farm of the Estonian Agricultural University in 1997-2001. In the in vivo experiments 4 rams and special boxes were used. The in vitro experiments were carried out and the chemical composition of feeds was determined in the laboratory of the Department of Animal Nutrition in the Institute of Animal Science by methods generally recognized in the EU. The objective of the study was the comparison of organic matter digestibility of feeds measured by in vivo methods, by DAISY II filter bags method and of that calculated by acid detergent fibre or neutral detergent fibre.
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