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1. The effect of feed regimen on chewing time, digesta passage rate and particle size distribution in Holstein non-lactating cows fed pasture ad libitum

Author:
Oshita, T.; Sudo, K.; Nonaka, K.; Kume, S.; Ochiai, K.
Source:
Livestock science 2008 v.113 no.2-3 pp. 243-250
Subject:
dairy cows; ingestion; eating habits; pastures; dry matter intake; rotational grazing; feces; gastrointestinal transit; digesta; particle size distribution; Holstein; rumen fluids; ad libitum feeding; mastication; feed rations
Abstract:
... The objective of this study was to evaluate the effect of feeding regimen on chewing activity and ruminal passage of digesta in non-lactating cows fed pasture ad libitum. Six ruminally fistulated Holstein dry cows (mean±SD; parity=3.7±0.5, length of pregnancy=28±2 W, BW=692±75 kg) were assigned randomly to two dietary treatments using a crossover design; three cows were rotationally grazed pasture ...
DOI:
10.1016/j.livsci.2007.04.001