Abstract
Nine Awassi rams were used in this study. The rams were divided into three groups. The first group (control) was fed on ration consisted mainly of barley, wheat bran and soybean meal, while the second and third group fed on ration contained 10% of sunflower untreated or treated with formaldehyde respectively. All the rams were fed for 15days, the first 10days considered as preperiod, then 5days for feces collection. Samples of rumen liquor and blood was taken in last day.
Results indicated that addition of sunflower seeds untreated and formaldehyde treated had no significant effect on the coefficient of nutrient digestibility (dry and organic matter , Protein , Fat extraction and fiber). Result of statistical analysis showed significant difference (P
