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Articles by A.J. Sikder
Total Records ( 2 ) for A.J. Sikder
  A.J. Sikder , M.A. Islam , M.M. Rahman and M.B. Rahman
  The present study was undertaken to know the seroprevalence of Salmonella and Mycoplasma gallisepticum (MG) infection in six model breeder poultry farms (MBPFs) located at kalapara Upazilla under Patuakhali district, Bangladesh. A total of 364 sera samples were collected from chickens belonging to six MBPFs. All sera samples were examined by rapid serum plate agglutination (SPA) test using commercial Salmonella (SP) and MG antigens to determine the presence of Salmonella and MG specific antibodies in different age and sex of birds belonging to MBPFs. In addition to that prevalence of Salmonella and Mycoplasma infection in MBPFs during rainy and winter seasons were also recorded. The results of serological tests were analyzed statistically. The overall prevalence of Salmonella and Mycoplasma infection in six MBPFs were recorded as 23.46% and 46.88% respectively. Prevalence of salmonella was recorded highest in rainy season (25.00%) than the winter season (21.88). On the contrary, Mycoplasma infection was recorded highest in winter season (61.45%) than the rainy season (51.74%). Both Salmonella and Mycoplasma infections were recorded highest in female birds (24.10%) than the male birds (15.62%). The prevalence of MG infection decreased with the increase of age. MG infection recorded highest 71.42% at 18 weeks of age and lowest 50% at 22 weeks of age. On the other hand, the prevalence Salmonella infection was increased with the increase age. Salmonella infection was found highest 30.76% at 39 weeks of age and lowest 13.33% at 32 weeks of age. It was concluded from the present study that both Salmonella and MG infection were significantly present in all six MBPFs and SPA test could be used as a tool for quick detection of Salmonella and MG infection.
  M.H. Hossain , M.S.A. Biswas , A.J. Sikder , A. K. Sarkar and M.A.R.Howlider
  Commercial broiler production has become a specialized and speedy poultry operation during the recent years all over the world. A total of 144 day old straight run strabro broiler chicks were fed ad libitum up to 42 days of age on 3 different iso-nitrogenous and iso-energetic diets formed by replacing dietary fish meal (FM) by broiler offal (BO); T1 (8% FM+0% BO), T2 (4% FM+4% BO) and T3 (0% FM+ 8% BO) to have its effect on performance of broilers. The growth rate, feed intake, feed conversion, survivability and profitability increased almost linearly on increasing level of dietary BO. Replacing FM by BO did not affect survivability of broiler. As costly FM was replaced by cheaper BO on increasing dietary levels of BO, the performance and profitability were increased up to 8%. It was suggested to replace costly FM completely by cheaper BO in broiler diet leading for increased profitability provided easy and economic processing of BO could be practiced.
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