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Study of effect adding different levels of biomass and filtrate for Pythium aphanidermatum on some growth indicates to broiler | ||
| Jornal of Al-Muthanna for Agricultural Sciences | ||
| Article 1, Volume 3, Issue 1, 2015, Pages 1-10 | ||
| Abstract | ||
| Abstract The experiment has been conducted to study the effect of addition the biomass and filtrate of the P. aphanidermatum fungus to feed and drinking water on some productive traits for Ross 308 broiler chicks at Agricultural Researches and Experiments station of Agriculture college-Al-Muthanna university. In this experiments use 420 broiler chicks one day old, were randomly allocated into seven treatment groups, 60 chicks for each treatment group were sub-divided into three replicates (twenty chicks/replicate). The seven treatment groups were as follow : add biomass of P. aphanidermatum in three proportion 5 , 10 and 15 gm/kg chicks fed and add same fungus filtrate in three proportion 15 , 20 and 30 ml/L drinking water as well as Control treatment. The effect of addition at different levels of the biomass and filtrate of the P. aphanidermatum fungus to feed and drinking water at the rate of weekly body weight (g) of broiler was no significant differences between treatments of the second week, the significant appear in third, fourth and fifth week. The fourth week, filtrate treatment 10 ml/L of drinking water showed a significant in the rate of consumption of the weekly feed, which reached to 814.24 g compared with 785.30 g in the control treatment. Filtrate treatment 10 ml/L in drinking water and biomass at 10 g / kg feed showed a significant difference in dressing percentage without giblets, reached to 66.93 and 65.75%, respectively, compared with control treatment was 64.15%. The same trend continued superiority of the two treatments in dressing percentage with giblets, amounting to 71.61% and 70.26 compared with 68.01% in control treatment .The percentage of the weight of the heart to the sacrifices of broiler chickens, were 0.48 and 0.43% at 10 ml/L filtrate and 10 g/kg feed biomass compared with 0.2% in control treatment, while the percentage of the weight of gizzard for the same sacrifices have increased at 5 and 10 g/kg feed as biomass and 10 and 20 ml/L of drinking water as fungal filtrate to 1.73 and 1.86 and 1. 90 and 1.74% respectively compared with 1.53% in control treatment. The relative weights of the liver meat chicken carcasses at the age (35) days did not differ significantly between the filtrate treatment, whereas gave significant differences compared with control treatment . | ||
| Keywords | ||
| Pythium aphanidermatum | ||
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