تاثیر آنزیم‌پکتیناز، بر پارامترهای بیوشیمیایی ، ویژگی‌های لاشه وهزینه تولید جوجه‌های گوشتی نژاد هیبرید راس

In this study all birds were kept under similar environmental condition. A total of ?? twenty one day – old broiler chicks of Ross ??? were randomly allocated to ? dietary treatments in a CRD design with ? replicates and ?? birds per each for ?? days. The experimental group diets including corn without barley, corn and barley(??%) with Beta glucanase(????U/g), Be xylalase (????U/g) and cellulase(???U/g) multi enzyme and corn and barley (??%) with multi enzyme Beta glucanase(????U/g), Be xylalase (???U/g) , cellulase(???U/g)and pectinase(???U/g) andwere utilized over ?? days. At the end of the experiment blood was collected and then carcass characteristics were determined .The findings of the study showed chicks fed the diet containing Kemin multi enzyme demonstrated the highest increase in production payment. The liver, proventriculus, gizzard, intestinal tract and abdominal fat proportion to live body weight were significantly different (P