The possibility of using sugar beet pulp in the diet of common carp Cyprinus carpio L.

Abstract

Beet pulp, the byproduct of sugar industry was in a nutritional and growth experiment this used experiment determine the possibility of using the pulp in the diet of common carp cyprinus carpio L as a source of carbohydrate instead of yellow corn, barley and wheat bran. Beet pulp was used in the experimental diets by 10% and 20% for the second (T2) and third (T3) treatments respectively. A treated (BP) with beaker yeast was used in the fourth (10%) and the fifth (20%) treatments. The first experimental diet (T1) left with out BP as a control. diet. The fish were feed by 3% of its weight divided on three times a day, during the period between 15/4/2005-2/7/2005 in glass aquariums (60cm×30cm×30cm). A total of 50 fish of 19.51±0.03 gr. were used, with two replicate. Experimental diets were evaluated according to the average values of final weight, specific growth rate, relative growth rate, food conversion ratio, protein efficiency ratio and protein productive value. Results indicated that experimental diets with 10% of BP gave good results, specially that with treated BP (T4) which showed no differences between it and T1 (p>0.05). Where as, diets with 20% BP (T2&T5) showed less values for most studied variables. chemical analysis after the and of the experiment, showed of fish bodies an increase in the body moisture and decrease in body fat, as well as little changes in protein content were obtained . However, blood hemoglobin (HB) and pached cell volume (PCV) of T3&T5 were less then that of T2&T4 and these were lower than that of T1.