Particle passage kinetics in dairy cows was assessed using acid detergent fibre (ADF) associated
15N as an internal marker and chromium (Cr) mordanted grass silage, ytterbium (Yb) labelled grass
silage and dysprosium (Dy) labelled faecal particles as external markers. Kinetic parameters were
estimated using two-compartment models assuming gamma time-dependent (G3) passage rate in the
first compartment and age-independent (G1) in the second compartment. Parameter estimates were
consistent between ADF-15N and Cr, but for Yb and Dy the total mean retention time and retention
time in the age-independent compartment was shorter.
CITATIONS(7):
1.
Short communication: Comparison of 3 solid digesta passage markers in dairy cows C. Lee, A.N. Hristov Journal of Dairy Science
Quantifying ruminal digestion of organic matter and neutral detergent fiber using the omasal sampling technique in cattle—A meta-analysis1 P. Huhtanen, S. Ahvenjärvi, G.A. Broderick, S.M. Reynal, K.J. Shingfield Journal of Dairy Science
Digesta retention time in roe deer Capreolus capreolus, as measured with cerium-, lanthanum- and chromium-mordanted fibre Angela Schwarm, Sylvia Albrecht, Sylvia Ortmann, Christian Wolf, Marcus Clauss European Journal of Wildlife Research
Effects of Replacing Grass Silage with Barley Silage in Dairy Cow Diets S. Ahvenjärvi, E. Joki-Tokola, A. Vanhatalo, S. Jaakkola, P. Huhtanen Journal of Dairy Science
Passage kinetics of fibre in dairy cows obtained from duodenal and faecal ytterbium excretion P. Lund, M.R. Weisbjerg, T. Hvelplund Animal Feed Science and Technology
Cell wall digestion and passage kinetics estimated by marker and in situ methods or by rumen evacuations in cattle fed hay 2 or 18 times daily Pekka Huhtanen, Ulla Asikainen, Marjatta Arkkila, Seija Jaakkola Animal Feed Science and Technology
Comparison of lipid profiles in the faeces of beef cattle
fed three common temperate grass silage diets
and their relevance to dietary composition M. Elayadeth-Meethal, Rivero Jordana, A. Mead, M Lee, R.F., T. Misselbrook Journal of Animal and Feed Sciences
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