Prevalence and antibiogram profile of Mycobacterium spp. in poultry and its environments
Keywords:
Antibiogram profile, Mycobacterium spp., Poultry farm, Polymerase chain reactionAbstract
In this study, an attempt was undertaken to know the
prevalence and antibiogram profile of Mycobacterium
spp. in poultry and its immediate environments. A
total of 130 samples comprising of droppings (n=80),
egg washing (n=18), drinking water (n=14), hand
washing from farm workers (n=6) and litter (n=12)
were collected from six poultry farms located in and
around Bangladesh Agricultural University (BAU).
Samples were inoculated onto 7H10 Middlebrook
agar and incubated aerobically at 37ºC for 7-14 days.
Identification of Mycobacterium spp. was performed
by colonial morphology, acid fast staining, and
biochemical tests. Molecular identification of
Mycobacterium spp. at genus level was performed by
polymerase chain reaction (PCR) assay targeting 65-
kDa heat shock protein gene. Antibiogram profile of
Mycobacterium spp. was performed against five
antibiotics namely Rifampin, Azithromycin,
Ciprofloxacin, Streptomycin and Doxycycline by disc
diffusion method. Three Mycobacterium spp. were
isolated from dropping samples of poultry. The
overall prevalence of Mycobacterium spp. was 2.3%
(n=3/130). All the isolates were resistant to Rifampin
and sensitive to Azithromycin and Ciprofloxacin.
Data of this study indicated that multidrug resistant
Mycobacterium spp. are prevalent in the poultry
farms of the study area which underscore the need of
implementation of good biosecurity to poultry
husbandry practice to ensure poultry and human
health.
http://dx.doi.org/10.5455/javar.2015.b118
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