Nasreen Abdulrahman

Background

About Nasreen Abdulrahman

Summary Two types of fish probiotics produced and extracted; single contained the genus of the bacteria Lactobacillus and the genus Bifidobacterium the and mixed probiotics from the above bacterial genus mixed with the prepared yeast Saccharomyces cerevisiae, that extracted from the first part of the intestine (foregut) which represents the gut in these omnivore's fish (represented by the common carp Cyprinus carpio) and the herbivores (represented by the grass carp Ctenopharingodon idella). The probiotics added to the fish diet in two levels of protein 32% and 10% by conducting two experiments FOR 300 fish fry weighted 0.2 gm reared for five month included with acclimation period about 27 day, whereas each experiment include seven treatments. The first treatment represented the control without using any addition to the probiotics; the second one was the single probiotics with the Lactobacillus bacteria. The third one was also the single probiotics but with Bifidobacterium, whilst the forth and fifth treatments were the mixed probiotics which of Lactobacillus and Bifidobacterium bacteria with the yeast Saccharomyces cerevisiae in ratio 1:1:1 one from common carp and the other from grass carp respectively. The commercial probiotics was in the sixth treatments and the Iraqi probiotic was the seventh one.