Changes of particle size distribution and chemical composition of a hay-based ration offered once or twice daily to dairy cows

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A Comparison of Once-daily and Twice-daily Feeding of Milk Replacers to Dairy Calves

Thirty-two Friesian calves less than one week old were purchased at a country market and fed a milk replacer at two rates, the feed being given as either one or two feeds only. Lucerne hay was available ad libitum from the start of the trial with restricted access to crushed oats after one month. The mean body weights of the once.-daily fed calves were higher than those of the twice-daily fed c...

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Effect of Particle Size Distribution and Chemical Composition on Properties of Magnesia Chromite Bricks

The present study was undertaken to improve the quality and increase the life time of magnesia-chromite refractory bricks used in the copper and lead industries. The results show that a decrease in the amount of large chromite particles in the formulation improves the thermomechanical properties and also reduces the slag penetration in the bricks. In addition it was also observed that the use o...

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Performance of dairy cows milked twice daily at contrasting intervals.

The time constraints of the classic twice-daily milking routine are less easily endured by individual dairy farmers, because of their impact on quality of life. Our aim was to evaluate milk production responses by dairy cows milked twice daily at contrasting intervals. In experiments 1 (20 cows) and 2 (28 cows), four milking regimes were compared during a 3-week period beginning after the peak ...

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ژورنال

عنوان ژورنال: Italian Journal of Animal Science

سال: 2006

ISSN: 1828-051X

DOI: 10.4081/ijas.2006.9