الفهرس 
introductionOnly 14 pages are availabe for public view
 |  | from | 163 |  |  |
| | | from | 163 | | |
Abstract
Therefore, the objectives of this study were:1- investigate the effect of anhydrous ammonia and/or sulphuric acid on improving chemical composition. palatability. digestibility and nutritive value of rice straw.2- the effect of feeging chemically treated rice straw on the performance of fattenig frisian bull calives.