EFFICIENCY OF BACTERIOPHAGE IN BIOCONTROL OF ENTEROCOCCAL COLONIZATION OF QUAIL S

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NOORI RAYGANI JALIL; KARIMI TORSHIZI MOHAMMAD AMIR; RAHIMI SHABAN; MADADGAR OMID

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Journal: Journal of Animal Production Year:2016 | Volume:17 | Issue:2 Page(s): 199-209

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Title

EFFICIENCY OF BACTERIOPHAGE IN BIOCONTROL OF ENTEROCOCCAL COLONIZATION OF QUAIL S

Author(s)

NOORI RAYGANI JALIL | KARIMI TORSHIZI MOHAMMAD AMIR | RAHIMI SHABAN | MADADGAR OMID | Issue Writer Certificate

Keywords

ENTEROCOCCUS FECALISQ2

GROWTH SUPPRESSORQ2

JAPANESE QUAILQ2

LYTIC BACTERIOPHAGEQ2

PHAGE THERAPYQ2

Abstract

Three experiments were carried out for isolation of bacteriophage against growth reducing Enterococcus faecalis and evaluation of its efficacy to control Enterococci colonization in intestine of JAPANESE QUAILs. In experiment one, 60 Enterococci spp were isolated from gastrointestinal contents of adult quails, which among them seven isolates were selected based on preliminary tests. In experiment two, effect of oral challenge by the seven selected isolates along with Enterococcus faecalis ATCC51299- as positive control on growth performance of growing quails was evaluated. In experiment three, LYTIC BACTERIOPHAGE was screened against Enterococcus faecalis using quails excreta and poultry house swage as a sources of phage. Finally, efficiency of bacteriophage therapy (104 pfu/mL) in biocontrol of enterococcal colonization of intestine was evaluated in quails orally challenged by Enterococcus faecalis (107 cfu/mL). Among seven isolates from the first experiment, an isolate which reduced the growth of growing quails and had the minimum mortality in comparison to negative control group (P<0.05) was final selected and identified at the species level using biochemical tests based of carbohydrates fermentation profile as Enterococcus faecalis. Oral administration of isolated bacteriophage against Enterococcus faecalis was able to reduce the intestinal enterococci colonization to a level comparable to negative control group (P<0.05). In conclusion, isolated bacteriophage against Enterococcus faecalis effectively reduced enterococci colonization in intestinal content of quails and in this way, a growth reducing factor in poultry could be biocontrolled.

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APA: Copy

NOORI RAYGANI, JALIL, KARIMI TORSHIZI, MOHAMMAD AMIR, RAHIMI, SHABAN, & MADADGAR, OMID. (2016). EFFICIENCY OF BACTERIOPHAGE IN BIOCONTROL OF ENTEROCOCCAL COLONIZATION OF QUAIL S. JOURNAL OF ANIMAL PRODUCTION (JOURNAL OF AGRICULTURE), 17(2), 199-209. SID. https://sid.ir/paper/209085/en

Vancouver: Copy

NOORI RAYGANI JALIL, KARIMI TORSHIZI MOHAMMAD AMIR, RAHIMI SHABAN, MADADGAR OMID. EFFICIENCY OF BACTERIOPHAGE IN BIOCONTROL OF ENTEROCOCCAL COLONIZATION OF QUAIL S. JOURNAL OF ANIMAL PRODUCTION (JOURNAL OF AGRICULTURE)[Internet]. 2016;17(2):199-209. Available from: https://sid.ir/paper/209085/en

IEEE: Copy

JALIL NOORI RAYGANI, MOHAMMAD AMIR KARIMI TORSHIZI, SHABAN RAHIMI, and OMID MADADGAR, “EFFICIENCY OF BACTERIOPHAGE IN BIOCONTROL OF ENTEROCOCCAL COLONIZATION OF QUAIL S,” JOURNAL OF ANIMAL PRODUCTION (JOURNAL OF AGRICULTURE), vol. 17, no. 2, pp. 199–209, 2016, [Online]. Available: https://sid.ir/paper/209085/en

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