Journal of Animal Production, Print ISSN: 2008-6776., Online ISSN: 2382-994X

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The effect of essential oil encapsulated oregano on microbial population and morphology of intestinal tract in broiler chickens

Document Type : Research Paper

Authors

1 M.S of poultry nutrition Agricultural Research,Education and Extension Organization Animal Science Research Institute.

2 Associated proffssor Agricultural Research,Education and Extension Organization Animal Science Research Institute.

3 Assistant professor Agricultural Research,Education and Extension Organization Animal Science Research Institute

Abstract

The aim of this experiment was to assess the effects of encapsulated oregano oil on microbial population, morphology, length and weight of different parts of digestive tract of Aryan broiler chicks. A total of 625 Arian broiler chicks were used in a completely randomized trail with 5 treatments and 5 replicates at the age of 1 to 42 days. Treatments were including: 1- basal diet (negative control), 2- basal diet+probiotic (0.1 g Protexin/kg), 3- basal diet+antibiotic (0.15g Avilamycin/kg), 4- basal diet+oregano oil (0.2 g/kg) and 5- basal diet+encapsulated oregano oil (1 g/kg). The results showed that broiler performance at the end of 42 days were not affected by treatments (p<0.05). The highest lactobacillillus colony numbers were observed in encapsulated oregano oil. The length of duodenum in probiotics group were lower than others groups (p<0.05). The length and weight of other parts of digestive tract except ileum weight were not affected by dietary treatments (p>0.05). Finally, according to result of intestinal microbial count, it seems that encapsulated oregano essential oil can improve the intestine microbial population and bird's health.

Keywords

References
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Journal of Animal Production, Print ISSN: 2008-6776., Online ISSN: 2382-994X
Volume 19, Issue 2
August 2017
Pages 467-478
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