Abstract
Objective: The present study was carried out for the isolation, identification and antibiogram study of Salmonella spp . from apparently healthy Japanese quails ( Coturnix japonica ) at three different quail farms in Mymensingh, Bangladesh. Materials and methods: A total of 75 cloacal swab samples were randomly collected from apparently healthy Japanese quails from three different farms at Mymensingh, Bangladesh. The samples were subjected to a series of cultural and biochemical examination for the isolation of Salmonella followed by molecular detection by polymerase chain reaction (PCR). Motility of the Salmonella was performed by motility test and amplification of speF gene. The antibiogram profile of the isolates was also evaluated against commonly used antimicrobials by disc diffusion method. Results: The overall prevalence of Salmonella spp . in quails was found to be 13.33%(n=10/75). Out of the 10 isolates, seven were found to be motile. Farmwise, the prevalence of Salmonella spp. were 10%(n=3/30), 24%(n=6/25) and 5%(n=1/20) at the quail farms of Bangladesh Agricultural University (BAU), Shikarikanda and Akua, respectively. The antibiogram study revealed that all the isolates were resistant to both Erythromycin and Tetracycline. On the other hand, 100% isolates were sensitive to both Ciprofloxacin and Imipenem. Ninety percent isolates of Salmonella were resistant to Colistin sulphate. Neomycin was found to be sensitive to 80% Salmonella isolates. All the Salmonella isolates were found to be multidrug resistant (MDR). Conclusion: The presence of MDR Salmonella spp . in quails signifies public health importance of the organisms, which may be associated with food-borne illness. http://doi.org/10.5455/javar.2018.e248
Highlights
Poultry industry, an excellent agri-business, was started during 1980 in Bangladesh
The samples were subjected to a series of cultural and biochemical examination for the isolation of Salmonella followed by molecular detection by polymerase chain reaction (PCR)
The present study showed the overall prevalence of Salmonella spp. as 13.33%(n=10/75)
Summary
Tremendous development of this sector has been occured in Bangladesh; the sector could meet about 68% and 64% of the country’s total demand of poultry meat and eggs, respectively. In Bangladesh, poultry meat and eggs provide about 38% of total demand of animal protein (FAO, 1999). To meet up the demand of poultry meat, egg and their products, the Government and the private sector in Bangladesh are working together (Hamid et al 2017). Quail (Coturnix japonica) is a new addition in the poultry industry in Bangladesh, and number of quail farm is increasing day by day due to its easy management, faster growth rate, early sexual maturity, high palatable meat, high nutritional value of meat and egg, high rate of egg production and requirement of less floor space for quail. The advancement of quail production is being hampered by some managemental factors, fatal infectious, noninfectious and parasitic diseases (Barnes, 1987)
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