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Articles by M.M. Islam
Total Records ( 8 ) for M.M. Islam
  M.A. Hakim , A.S. Juraimi , M. Begum , M. Hasanuzzaman , M.K. Uddin and M.M. Islam
  Problem Statement: Groundwater is an important source of freshwater for agricultural, drinking and domestic uses in many regions of the world including Bangladesh. Demand of groundwater has been increasing day by day for irrigation by bringing more area under cultivation. As a drinking water the bottled water market currently has an average annual growth rate of 7.4% between 2002 and 2007, which is parallel to the growth of this industry all over the world. Obviously, the feed water should be free of particles and colloidal material and as low as possible in soluble organic matter. Series of water quality problems have been identified and addressed since the 1950s. These include point and non-point source pollutants such as nutrients, hydrocarbons, pesticides and heavy metals. In this regard, some studies to assessment the quality of water had been conducted in world wide. Where as, a Chiribandar a selected southern part of Bangladesh has great importance in agriculture and industrial perspective, no study has been done yet to asses the ground water quality for agricultural, drinking and industrial uses. Approach: A research was conducted to assess the degree of ionic toxicity of groundwater sources as irrigation, drinking and industrial purposes. Twenty eight groundwater samples were analyzed for different elements of dominant cations and anions such as Ca, Mg, Na, K, Fe, HCO3 and other minor ions P, B, As, N03-N, S04-S and Cl. In addition, to classify water quality as excellent, good suitable, Sodium Adsorption Ratio (SAR), Soluble Sodium Percentage (SSP) and Residual Sodium Carbonate (RSC) were calculated following standard equations. The quality of water is generally judged by its total salts concentrations, relative proportion of cations or Sodium Absorption Ratio (SAR) and the contents of HCO3. Results: According to the concentration of cation and anion constitutes of groundwater, water quality of study area were suitable for irrigation, drinking and industrial purposes. Except for a few cases there was neither chloride toxicity nor sulphate acidity in the area. The content for NO3- and P was negligible and water samples were 'good' to 'excellent' with respect to boron and SSP. Range of EC (361-802 ┬ÁS cm-1) and that of SAR (0.23-0.54) indicated that all samples were in 'medium-salinity low-alkali' hazard class. In respect of TDS and RSC values, all samples were of fresh water and suitable class. Among SSP and SAR, TDS and EC were highly correlated. An Arsanic range was far below than recommended upper limit. Conclusion/Recommendations: In respect of all evaluating criteria, groundwater of all the 28 locations can be safely used for long-term irrigation and drinking purposes. All samples were found suitable for drinking and industrial purpose in consideration of Fe concentration. However, none of the water samples was suitable for industrial use, because of higher TDS and pH values exceeding recommendation.
  M.M. Islam , D. Biswas , M.M. Rahman and M.A. Haque
  Twenty star crossbred broilers of 5 weeks age were taken and divided into 4 groups to know the suitable method of fracture immolization. The fixation devices used were adhesive tape with wood splint, intramedullary pinning and dynamic compression plate with cortical screws and one group as control kept in case rest. To monitor the healing status, the radiographs were taken at 3rd, 4th and 6th postoperative weeks. Minimal fracture gap, callus formation and excellent alignment were found in dynamic compression plate. Fracture gap reduces significantly (P<0.01) with small callus formation and good alignment in dynamic compression plate group but similar result along with larger callus found in intramedullary group. The present study suggested that dynamic compression plate is the best method for fixation of fractured bone in birds.
  Ye-Jin Kim , A.B.M. Rubayet Bostami , M.M. Islam , Hong Seok Mun , S.Y. Ko and Chul-Ju Yang
  Present study was conducted to evaluate the effects of dietary supplementation with fermented Ginkgo biloba and Camelia sinensis-based probiotics on growth performance, immunity and caecal microbiology in broilers. A total of three hundred twenty day old Ross broilers were randomly allocated based on completely randomized design into five treatments with eight replications (eight birds per replicate). Dietary treatments included: (1) Control (basal diet); (2) FGB1 = basal diet+0.2% fermented Ginkgo biloba probiotics; (3) FGB2 = basal diet+0.4% fermented Ginkgo biloba probiotics; (4) FCS1 = basal diet+0.2% fermented Camelia sinensis probiotics, (5) FCS2 = basal diet+0.4% fermented Camelia sinensis probiotics. Results of the present study elucidated that average daily gain was higher in FGB2 than FCS1 and FCS2 (p<0.05) during starter period; where feed intake was unaffected after dietary supplementation during starter, finisher and overall period (p>0.05). However, feed conversion ratio was improved in FGB2 during starter period (p<0.05), as well as in FGB1, FGB2, FCS1 and FCS2 during finisher and overall period relative to control (p<0.05). In addition, serum immunoglobulin was elevated in the FGB and FCS supplemented group compared to control (p<0.05). Moreover, dietary supplementation of FGB and FCS significantly suppressed caecal pathogenic E. coli (p<0.05). To sum up, dietary FGB and FCS can be utilized as potential feed additives in broiler nutrition with significant improvement in the growth performance, immunity and suppression of pathogenic caecal E. coli. Further detailed study is required on mechanism and meat quality analysis in broilers.
  M.S. Hossain , M.B. Alam , N.S. Chowdhury , M. Asadujjaman , R. Zahan , M.M. Islam , M.E.H. Mazumder , M.E. Haque and A. Islam
  The present study was designed to investigate the antioxidant, analgesic and anti-inflammatory potential of the methanolic extract along with its organic soluble fractions of the herb Eclipta prostrata. In addition, total phenolic and flavonoid content and total antioxidant capacity were also determined. Antioxidant potential of the extract/fractions was evaluated by DPPH (1,1diphenyl-2-picrylhydrazyl), NO (nitric oxide) and ONOO¯ (peroxynitrite) scavenging assay method. Ethyl acetate fractions (EtOAc) showed highest scavenging activity in all the methods with IC50 value of 12.98±0.08, 45.98±0.07 and 14.45±0.18 μg mL-1 for DPPH, NO and ONOO- assay method, respectively. In reducing power assay, EtOAc fraction also showed significant (p<0.001) activity. Further, the extract/fractions were studied for their analgesic (hot plate, tail immersion and acetic acid induced writhing test) and anti-inflammatory (carrageenan induced paw edema in rats) activities at a dose level of 200 and 400 mg kg-1 body weight. Among all the extract/fractions, EtOAc fraction showed a dose dependent and significant (p<0.005, p<0.05) analgesic activity in all the tested method. EtOAc fractions also reduced the paw edema considerably (86.80% inhibition after 3 h, p<0.005, p<0.05) in dose dependent manner compared to carrageenan induced rat. Altogether, these results suggest that the MeOH extract and its organic soluble fractions could be used as a potential antioxidant, analgesic and anti-inflammatory agent.
  M.S. Islam , M.M. Islam and S.U. Ahmed
  The study was carried out in the Meghna river-estuaries of Bhola district from January, 1996 to December, 1997 with a view of quantify the extent of damage of shell and fin-fish larvae during collection of P. monodon larvae as target species. Study revealed that during collection of each Penaeus monodon (Fab.) post larva (PL), about 26 and 17 larvae of other shrimp, 16 and 7 fin-fishes and 90 and 39 macrozooplankters respectively were ruthlessly destroyed during the consequent years. During the study period, about 1.10 and 0.89 million man days/years, respectively were found to involve in shrimp fry collection. It was also recorded that about 11.0 and 8.2 million of P. monodon PLs respectively were harvested in 1996 and 1997 from the study area. The study indicates that indiscriminate killing of shell and fin-fishes and other valuable aquatic organisms during collection of P. monodon PL by shrimp seed collectors is causing threat to aquatic biodiversity conservation and ecology of coastal waters.
  M.M. Islam , K.Sultana , M.M. Hussain , M.G. Mostafa , M.R. Islam , M.L. Rahman and M.A.Kashem
  An experiment was conducted to assess the effect of different inoculation times with MS-6, MS-9 strains of Macrophomina phaseolina and CS-1 strain of Colletotrichum corchori on the seed yield contributing characters and quality of late jute seeds (Corchorus capsularis L). Varieties were BJC-7370 and CVL-1. Results showed that inoculation with the pathogens was conducted on 45,55,65 days age of the jute plants. Variety BJC-7370 and CVL-1 of jute had reaction with strains MS-6, MS-9, and CS-1 at every inoculation times. The gradual increase of inoculation affected the plants. As the time of inoculation increases the lesion size on stem decreases, the number of pods plant-1, seeds plant-1 and Seed germinations (%) increases and at the same time seed infections (%) decreases. MS-6 strain was found more virulent than MS-9 and CS-1 regarding pods plant-1 and seeds plant-1 production, as well as seed germinations and infections(%).
  M.M. Islam , K. Sultana , M.G. Mostafa , H.A. Begum , M.M. Rahman and M.N. Nabi
  A study was under taken to measure the effects of different level of seed borne infections on the fibre yield contributing characters of jute at Kishoreganj regional station of BJRI. Varieties D-154 and BJC-7370 were selected for this study. Infected seeds of the above two varieties were collected from JAES, Manikganj and categorized on the basis of seed-borne pathogens viz. 0, 5, 10, 15 and 20% infected seeds. Findings revealed that, both D-154 and BJC-7370 of jute had less seedling emergence in the field with the increase of initial seed borne infections. Stem rot, black band and anthracnose diseases were noticed after one month of seed sowing in the fields. As the initial seed borne infections increases, disease development in the field also increases. Fibre yield contributing characters (plant height and base diameter) and fibre weight decreases with the increase of initial seed borne infections.
  M.M. Islam , M.A. Halim , S. Safiullah , S.A.M. Waliul Hoque and M. Saiful Islam
  The present research was carried out with eight specimens of sludge from Apex Weaving and Finishing Mills Ltd. Gazipur, Bangladesh, to determine the concentration of heavy metals (Pb, Cd, Zn, Cu, Cr, Fe and Mn) in the sludge samples and an assessment was made with the heavy metal content in agricultural soil. Atomic Absorption Spectrometry (AAS) method was employed for the analysis of Pb, Cd, Cr, Zn, Cu and UV-Spectrophotometric method was used for Fe and Mn, respectively. The mean concentration of lead (Pb), cadmium (Cd), chromium (Cr) was 79.13, 6.27, 4.35 mg kg-1 and for zinc (Zn), copper (Cu), iron (Fe) and manganese (Mn) it was 7.90, 1.34, 195.2 and 3.97 g kg-1, respectively. All the heavy metal concentrations except chromium in the sludge samples were higher than that of in agricultural soil. In addition, the study concluded that pre-treatment process for reducing the amount of heavy metal is mandatory before the sludge can be used as a soil conditioner or fertilizer in the agricultural soil.
 
 
 
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