تأثير استعمال الخليط التأزري (مسحوق أوراق نبات الهندباء Chicorium Intybus و خميرة الخبز Saccharomyces Cerevisiae)‎ في بعض الصفات النوعية للبيض في الأعمار المتقدمة

Abstract EN

This experiment was conducted at the poultry farm of Animal Resources department, College of Agriculture ,University of Kufa during the period from 1/4- 1/6/2009, to investigate the effect of dietary supplementation with Synbiotic (Cichory powder & S.cerevisiae yeast) on some traits eggs quality of Isa Brown hens .

The hens in each treatment were subdivided in four replicates , each replicate constitute 5 hens .

This experimental were included ; T1 as control (with out any addition ),T2 added prebiotic (Cichory ,5kg per ton diets),T3 added probiotic (S.cerevisiae yeast, 5kg per ton diets),T4 added Synbiotic(Cichory ,2.5kg per ton diets & S.cerevisiae yeast 2.5kg per ton diets),The traits eggs quality were studied in this experiment that was included ;eggs weight , high and weight yolk , high and weight albumen and their percentage, Haugh unit , thick and weight shell and its percentage .

Results of this experiment revealed that the addition of Synbiotic to the hens diet through eight weeks (66 weeks age) at advance ages resulted signification improvement in eggs weight ,albumen weight ,yolk index ,yolk weight, shell weight ,Haugh unit .

Results indicated that were had accounted differences between experimental treatments .That was superior account for T4 (Synbiotic treatment) compared with T2 , T3 too .