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FFECT OF ADDING IRAQI PROBIOTIC TO THE RATION ON THE PRODUCTIVE PERFORMANCE OF CAGED LAYING HENS | ||
| The Iraqi Journal of Agricultural Science | ||
| Article 1, Volume 36, Issue 6, 2005, Pages 97-104 | ||
| Author | ||
| M. R. Abbas | ||
| Abstract | ||
| This study was conducted at A!-Fayhaa poultry company to study the effects of adding Iraqi probiotic to the diet at levels of 0 , 2 and 4 kg / ton feeds on productive performance of Lohman laying has reared under commercial conditions . A total of 89099 laying hens , 40 weeks old were divided randomly into three group of 29444 , 29643 and 30012 per treatment, respectively . Each groups were sub-divided into three replicates per treatment. The experiment was lasted 12 weeks . Hen house (H H) and Hen day (H D) were calculated weekly . Body weight gain and mortality were recorded daily throughout the experimental period . Results indicated that there was a significant increase (P< 0.05) in accumulative H H and H D in treatment 3 (4 kg probiotic) as compared with treatments 1 and 2 .Hen house and Hen day for treatment 3 were 78.17 and 78.36 while for treatment 1 and 2 were 75.95, 76.26 and 76.16 ,76.41, respectively. Mortality rate was significantly (P< 0.05) lower in treatment 3 as compared with treatment I and 2 . The results of this study indicated that, the addition of probiotic at level of 4 kg / ton feed improve egg production and lower mortality rate. | ||
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