الفهرس 
AcknowledgementOnly 14 pages are availabe for public view
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Abstract
study was carried out at the animal
ton1 Experimental Station of the Faculty of University of Assiut during 1969—1971 and
1 three experiments:
total number of 24 cows (a Jersey, B Friesians ffa1es) were used in the experiment from partu— 1to the next calving. Animals of each breed were
) into two balanced groups acoord.ing the FOM yield during a standardization period of 6 weeks. One
as offered Doughage to appetite, wbile the *ondtng one was fed roughage to appetite and con— mixture at a rate of one kg S.V. per 4 kg FCM.
A total number of 5 aniTnala (JO Jersey, 9 4an and 6 buffaloes) were used in an experiment to
1kboth diets on the same animal (‘i—week period for ration).
I) Twelve animals (4 of each breed) from experiment
used. to study ruminal activity and changes in fri ul,ea nitrogen.
I
The results are sulumarited in the followings.