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Articles by F. Islam
Total Records ( 6 ) for F. Islam
  M. Akhtar Hossain , F. Islam , M. Robiul Alam , M.S.H. Molla and M.O. Hoque
  The average family size 5.10 and effective family member of all farm category 2.33 was found in project farmers (PF). While the average family size 4.87 and effective family member 2.67 was recorded in non-project farmers (NPF). Average 42.33 and 53.33% in project farm and 64.33 and 18% farmers in non-project farm were found in between education level I-V and VI -X. Average 17.67% farmers were reported illiterates in non-project farm. About 62% farmers in project farm replied that agriculture+business was their main occupation while 72% replied only agriculture was main occupation. A total 27 different modern technologies were used by project farmers whereas non-project farmers used only 8 both traditional and improved technologies in agriculture production. Marginal farmers used highest numbers of technologies in homestead area compared to small and medium farmers. Yield was found 217% higher by the PF of medium group than non-project farmers due to use of new technologies at different production units by the project farmers. The results indicated that higher yield was possible to the project farmers by adopting or using new technologies and resources. Farm income was higher (Tk. 44095/farm/year) with the project farmers than that of non-farm project (Tk. 37770/farm/year). Cash balance of the project farmers was also found higher than that of non-project farmers.
  M.M. Bhuiyan , F. Islam , A.J. Cowieson and P.A. Iji
  The aim of the present study was to evaluate the nutritional quality of traditional sun-dried maize grain, subjected to further heat treatment. The maize grains were obtained from three different locations, namely Moree in NSW, Emerald in QLD and Darling-Downs on the NSW-QLD border, Australia. Once received, one batch (sun-dried) was assessed without further drying. The other two batches from each source were dried artificially using a forced draught-oven at 105°C for 30 min or 24 h. The morphological structures (starch granules) of grains were changed due to heat-treatment for 30 min at 105°C and far-reaching structural changes occurred when samples were heated for 24 h. Proximate analysis of maize revealed that the DM (897.3-967.4 g kg-1), CP (92.1-108.7 g kg-1), EE (49.0-57.5 g kg-1), phytate-P (1.2-2.4 g kg-1) and ash (14.1-19.7 g kg-1) contents of samples varied due to source and heating period. The starch, amylose, available amino acid and mineral contents increased with increasing heating duration. Variable anomeric proton peaks (1H-NMR) were found with an increase in the oven drying period in all maize samples. In vitro digestibility of DM, starch and CP was improved due to heat-treatment at 105°C for 30 min 24 h. It may be concluded that the chemical composition, ultra-structural characteristics and energy values of maize samples varied by source and were changed through heating of low-moisture maize over varying time periods. These changes could impact on the nutritive value of the grains and animal performance.
  M.M. Bhuiyan , F. Islam , A.J. Cowieson and P.A. Iji
  In a 2x2x3 factorial study, the effect of milling technique (hammer vs. roller) with differing particle sizes (fine or coarse) of maize from three sources (Downs, Emerald or Moree) on growth performance, ileal digestibility and intestinal microbial profiles of broiler chickens (from 1-21 days post-hatch) was investigated. A total of 420 day-old male Cobb chicks were randomly allocated to 12 treatments of 5 replicates (seven birds per replicate) in brooder cages set up in an environmentally controlled room. The maize grain was finely ground using a hammer mill or roller mill with a 2 mm screen or coarsely ground through a 4 mm screen. Feed intake up to 7 days of age was higher (p<0.003) on the diet containing finely roller-milled grain than on the coarsely milled grain but no effect found on d21. Live weight was affected by the source of maize (p<0.04). The FCR to d21 was improved (p<0.042) on the Moree maize that was finely roller milled. The relative weight of proventriculus plus gizzard (p<0.01) and liver (p<0.01) were higher in diets containing coarsely milled grain than finely milled grain at 7 but not 21 days. Nutrient digestibility was affected due to maize source (p<0.01) and particle size reduction (p<0.01). These results suggest that fine grinding some sources of maize would be beneficial in terms of improvement in FI, LW and weight of proventriculus and gizzard in early ages as well as nutrient digestibility at a later age.
  R.C. Bett , A.K.F.H. Bhuiyan , M.S. Khan , G.L.L.P. Silva , Le Thi Thuy , F. Islam , M.N.D. Abeykoon , T.H. Nguyen , Sumara Sadef , O. Mwai and M.N.M. Ibrahim
  The objective of this study was to characterize and describe native chicken populations in Bangladesh, Sri Lanka, Vietnam and Pakistan, in order to facilitate their rational development, utilization and conservation strategies. Results indicate modest variations in colours (plumage, earlobe and comb), comb types and orientation, head shape, feather patterns and shank and neck feathers, both among and within chicken breeds. Body live weights and measurements varied significantly (p<0.05) across countries. Body live weights were significantly different across countries, except between Bangladesh and Pakistan. Chicken breeds in Vietnam were significantly (p<0.05) heavier and bigger, while those in Bangladesh the smallest. Birds in Pakistan are small in size but have significantly large back lengths. Comparison within chicken breeds was conducted on the village chicken and crosses, naked neck and Vietnamese breeds. The mean body weight and other measurements varied significantly within the chicken breed groups. The mean values estimated for body weight and circumference in village chicken and crosses were significantly higher in Sri Lanka than in similar chicken breeds in Pakistan and Bangladesh. Average body weights for village chicken and crosses in the current study were 924±79.1, 1537±24.7 and 1069±24.7 g in Bangladesh, Sri Lanka and Pakistan, respectively. Among the Vietnamese chicken breeds, the Ho chicken was bigger and heavier than the rest of the breeds. The moderate variation in phenotypes among and within chicken breeds across the four study countries can be associated with geographical isolation and limited artificial selection pressure in situ.
  M.Y. Ahmed , F. Islam , A.H. Nury and M.J.B. Alam
  The primary function of pavement is to distribute the concentrated loads so that supporting capacity of the sub-grade soil is not exceeded. Due to continuous application of impact loading, pavement surface often subjected to various types of distresses. The study was conducted on a portion (madina market to tuker bazar) of Sylhet-Sunamganj road that acts as a very important link between two adjacent towns. Pavement Condition Ratings (PCR) of the pavement was obtained on the basis of severity and extent of different types of distresses such as alligator cracks, longitudinal cracks, potholes, rutting, raveling, patching, etc. The PCR values of different segments of madina market to tuker bazar were evaluated in this study most of which fall within the category of very poor to poor conditions. Such condition of PCR immediately recommends proper treatment of the pavement for usage convenience.
  M. Robiul Alam , M.S.H. Molla , M. Shahjahan , M.O. Hoque , M. Akhtar Hossain and F. Islam
  The research work was conducted to observe weed vegetation and to ascertain the comparative control efficiency of weeding methods in upland direct seeded Aus rice. Weed density was affected significantly by weeding methods at 60 days after sowing. The highest weed density (149.14 m–2) was observed in control plot. The lowest weed density (77.64 m–2) was recorded in T6 (ronstar @ 2.5 L ha–1) treatment and the second lowest density of weed was attained from T5 (ronstar @ 2.0 L ha–1) and T2 (Two hand weeding) treatment. Most of the weed species infested in experimental plots were graded as good control in T6 (ronstar @ 2.5 L ha–1), T5 (2.0 L ha–1) and T2 treatment. But the application of ronstar @ 2.5 L ha–1 resulted in phytotoxic effect and rice plants were short statured and flowering was delayed. Moreover conventional two hand weeding method was observed very much laborious, time consuming and less cost effective for controlling the weeds. It was evident that the application of ronstar @ 2.0 L ha–1 was found the easiest and economically viable method for controlling different weed species grown in upland direct seeded Aus rice.
 
 
 
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