Abstract: Rumind, p o s t - m k l and total tract cmde protein disappearance of cottomeed meal containing 105

(CSMH) or 65 (CSML) g oil per kg of dry matter (DM), soybean meal (SBM), rapeseed meal (RSM) and

sunflower ...

to animals for 24 days, with 7 days of feces collection. In situ

mobile bag technique was followed by 12 h rumen incubation and then intestinal movement of the bags in

rumen and post-rumen cannulated Holstein steers. The three-step procedure...

varieties. The best correlationwas observed when results of total tract protein disappearance

determined by the in vitro method were plotted against the three-step procedure (r2 = 0.66).

The coefficient of determination (r2...