Volume 13, Issue 38 (12-2022)                   rap 2022, 13(38): 1-7 | Back to browse issues page

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Hoonejani S, Sharifi S D, Sadeghi R, ghazanfari S. (2022). Investigation of the Effect of Ozone Gas on Microbial Population and the Quality of Broilers Chicken Diets. rap. 13(38), 1-7. doi:10.52547/rap.13.38.1
URL: http://rap.sanru.ac.ir/article-1-1285-en.html
Department of Animal and Poultry Sciences, University of Tehran, Aburihan Campus, Pakdasht
Abstract:   (1313 Views)
Extended Abstract
Introduction and Objective: By increasing the poultry and broiler production industry, concerns for  having a food free of pathogens, and as a result, producing a quality and healthy product are increasing. Therefore, correct and efficient disinfection of poultry diets with maintaining the quality of them is very important. The aim of this study was to investigate the effect of gasification of complete poultry feed by ozone on microbial papulation and the quality of broilers diets.
Material and Methods: From 432 commercial male Ross strains in a 2 × 2 factorial experiment with three levels of ozone gas (zero, 20 and 30 ppm) and two levels of low fat (1.5 and 2% vegetable oil for growth and finishing periods respectively) and high fat (3 and 4% of vegetable oil for growth and finishing periods, respectively) were used in a completely randomized design with 6 treatments and 4 replications. Diets were ozonated for 120 minutes at concentrations of 20 and 30 ppm. Aflatoxin B1 levels, microbial papulation and the presence of fungi in the feed as well as oxidation of feed lipids in broiler chickens were assayed  after ozonation.
Results: Aflatoxin B1 was not found in grower and finishe diets. The lipid oxidation in ozonated diets with 30 ppm was significantly higher than non-ozonated diets (P<0.05).
Conclusion: According to the results of this experiment, the use of ozone gas to disinfect the broiler chickens diets, despite the destruction and inactivation of microbes and fungi, increases the oxidation of dietary fats.
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Type of Study: Research | Subject: تغذیه طیور
Received: 2022/03/7 | Revised: 2023/01/8 | Accepted: 2022/07/16 | Published: 2022/12/1

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