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Effect of zinc oxide nanoparticles on carcass parameters, relative weight of digestive and lymphoid organs of broiler fed wet diet during the starter period

F. Mohammadi, F. Ahmadi, M. Amiri Andi

Department of Animal Science, College of Agriculture, Sanandaj Branch, Islamic Azad University, Sanandaj, Kurdistan, Iran

Key words: Broiler, Carcass, Digestive, Lymphoid, Nanoparticles, Wet.

Abstract

broilersThe aim of the trial was to investigate the effects of zinc oxide nanoparticles (ZnO-NPs) on the carcass yield, digestive and lymphoid organs weighted index of broilers fed wet diet during the starter period. A total of 300 one-day old male broilers (Ross- 308) were randomly allotted to 5 treatments and 4 replicates and a total of 20 experimental units and 15 broilers in each replicate in a completely randomized design. The study was performed during the starter period (1-21d). The results showed that the addition of ZnO-NPs in fed wet diet at the age of 21 days had significantly affected on the percentage carcass of broilers than dry rations and control (P<0.05). The highest and lowest percentage of carcass in T3 (dry ration+200mg of NPs-ZnO) and T2 (dry ration+100mg of ZnO-NPs) was observed (P<0.05). Wet diet containing 200 mg of ZnO-NPs had significantly increased the relative weight of the proventriculus when compared to other treatments (P<0.05). In addition, dry diet is treated with 100 mg of ZnO-NPs significantly increased the relative weight of the pancreas compared to the other treatments (P<0.05). Although, no significant relative weight of lymphoid organs, but the maximum weight percent related to treatments containing zinc oxide nanoparticles observed. According to the data of the present study could be concluded that adding ZnO-NPs to dry diets compared to wet diet probability improve carcasses yield and increase relative weight of digestive and lymphoid organs of broilers during the starter period.

Source: http://www.innspub.net/wp-content/uploads/2015/01/IJB-V6No2-p389-394.pdf

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