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Articles by M. Asaduzzaman
Total Records ( 13 ) for M. Asaduzzaman
  M. Asaduzzaman , M.S. Jahan , M.R. Mondol , M.A. Islam and A.K. Sarkar
  A total of ninety-six Shaver 579 pullets were fed on isocaloric and isonitrogenous diet with vitamin-mineral premixes, Supramixes Layer, Acimix Super-L and Adivit-L and without premix (control) in the age duration from 25 to 40 weeks to evaluate the efficacy of different commercial premixes. Daily feed intake and body weight gain of the pullets did not differ significantly (P>0.05). Hen day egg production of different treatments differed significantly (P< 0.01). Higher and statistically similar egg production was obtained in Supramix layer (75.4%) and Acimix Super-L (74.12%) treatment. The lowest (62.5%) and statistically similar (65.99%) egg production occurred in control and Adivit-L treatment respectively. Egg weight of the treatments differed significantly (P< 0.01). The highest (57.15g) and statistically similar (56.57g) egg weight was observed in supramix Layer and Acimix Super-L group respectively. The highest egg mass output of Supramix Layer (42.98) differed significantly (P< 0.01) from the control (33.98). Significant (P< 0.01) difference was observed in the FCR value of Supramix Layer (2.68) and control (3.43) group. Broken egg percent of the treatments differed significantly (P< 0.01). High broken egg (4.11%) was observed in control group. No significant (P>0.05) differences were observed in livability. The observation of the results showed that use of commercial vitamin-mineral premix to supplement the diet of caged laying pullets is inevitable to maintain desirable production level. But the efficacy of all commercial premixes was not equal. The quality of marketed premixes is not uniform which is revealed in terms of performance test in the study.
  M.S. Jahan , M. Asaduzzaman and A.K. Sarkar
  A total of 144 ISA-i757 broiler chicks were fed on mash, pellet and crumble diet in the age duration of 21 to 56 days to compare the performance of broiler on different dietary groups. All the forms of feed were of identical composition as well as same environment and management were provided for all the treatments. The body weight of birds fed on mash, pellet and crumble group from 4th to 8th weeks of age differed significantly (P< 0.01). The highest, intermediate and the lowest body weight were observed for crumble, pellet and mash group respectively. The body weight gain also highest in crumble group (P< 0.01). Feed consumption of the 3 treatments differed significantly (P< 0.01). Crumble group showed high trend of feed consumption. Higher FCR value (P< 0.01) was observed for mash group, which indicated low feed conversion efficiency. On the other hand crumble and pellet group showed better fed conversion efficiency. Significantly high (P< 0.01) performance index and production number were observed for crumble group. Survivability percent of all treatments did not differ significantly (P>0.01). Total cost of production was significantly (P< 0.01) less for crumble and this was statistically similar with pellet group. The results of this experiment give an impression that crumble form of feed is better than mash and pellet form for the production of commercial broiler for the age duration of 21 to 56 days.
  M. Shamsul Haque , M. Asaduzzaman , Firoza Akhter , M. A. Samad , Taher Baksh and Zakaria Ahmed
  Harvesting jute plants leaving 1``, 2", 3", 4", 5" and 6" from the basal portion in the soil and retted separately, produced significant effect on the production of jute cutting and fibre quality. Harvesting plants leaving 4"-6" from the soil eliminated cutting completely and produced A-grade fibre. But harvesting plants leaving 4"-6" of basal portion in the soil apprehend loss of fibre weight.
  M. Shamsul Haque , Zakaria Ahmed , Firoza Akhter , M. Asaduzzaman , M. Motiur Rahman and M. A. Hannan
  Recently six varieties of jute were released from Bangladesh Jute Research Institute where two were from C. olitorius (OM-1 and OF-390) and four from C. capsularis (C-718, C-2035, C-2005 & C-2143). These varieties were compared for their retting properties, morphological differences as well as their physical properties of the fibre extracted from them. Among them, white fibre with fewer cuttings and “A” and “B” grade fibers were obtained by retting from C-718 and OF-390 varieties, respectively yielding higher quantity of fibers. Other varieties found inferior in quality in all aspects.
  M. Nasimul Gani , A.K.M. Maqsudul Alam , M. Rahman , Shafi Iqbal , M.A. Samad , M. Asaduzzaman , Isidore Gomes and Rebeca Gomes
  The study was conducted to estimate the chemical and physico-mechanical characteristics (quality of fibre) of jute fibre, the popular variety of O-9897 was grown with the application of water hyacinth, chemical fertilizer in soil and control under proper agricultural management. The water hyacinth responded comparatively better in enhancing the fibre quality than chemical fertilizer. Lower chemical constitutes the non-cellulosic portion (lignin and hemicellulose) in fibre indicates good quality, which found with water hyacinth. The percentage of lignin and hemicellulose in fibre with water hyacinth 12 and 20% with chemical fertilizer 13 and 21% and with control 13.6 and 21.20% respectively. The enriched physico-mechanical properties obtained with water hyacinth over the chemical fertilizer and control. The lower values of fineness (35φ) and higher values of whiteness (22.3%), bundle strength (7.61 lbs/mg), tensile strength (80.30 lbs/mg) and breaking tenacity (39.50 lbs/mg) ascertain the high quality of fibre found with water hyacinth. And the values found in fibre with chemical fertilizer, fineness-36.50φ, whiteness 21%, bundle strength-6.99 lbs/mg, tensile strength-78.98 lbs/mg and breaking tenacity- 39 lbs/mg. Thereby the study showed that chemical and physico-mechanical properties of fibre increased with water hyacinth. Study also indicates that the sole chemical fertilizer application in soil may not be possible to maintain the quality of fibre, it may be need an integration of organic matter and chemical fertilizer application in soil to enrich the fibre quality.
  M. Asaduzzaman , M.A. Bari , M.H. Rahman , N. Khatun , M.A. Islam and M. Rahman
  Anthers of five rice varieties viz. BR-5, BR-31, BR-34, BR-37 and BR-38 were cultured for callus induction and plant regeneration. Anthers were cultured on N6, Z2 and R2 media containing the same hormonal combination 2.5mg/l NAA, 0.5mg/l Kn and 0.5mg/l 2.4-D and incubated at 25 ± 1oC in dark for callus induction. All the varieties in Z2 medium, two varieties in N6 medium and only one variety in R medium produced callus. Out of all responding varieties BR-38 produced highest percentage of callus. Calli induced in different induction media were transferred to MS medium supplemented with 2.0 mg/l BAP + 0.5 mg/l Kn + 1.0 mg/l NAA and 1.0 mg/l Kn + 1.0 mg/l NAA and incubated at 25 ± 1oC in light for plantlet regeneration. Green plantlets appeared within 15-30 days of culture and highest number of regenerated green (33.32%) and albino (11.27%) plantlets were produced in BR-37.
  K. Azam , M.Y. Ali , M. Asaduzzaman , M.Z. Basher and M.M. Hossain
  Ten fresh fish samples of different species (Mugil cephalus, Setipinna phasa, Coilia dussumieri, Scatophagus argus, Sillanopsis panijus, Arius caelatus, Hilsa ilisha, Polynemus paradiseus, Platicephalus indicus and Pelamys chiliensis) collected from Kuakata, Bangladesh were assessed biochemically (proximate composition, total volatile basic nitrogen, tri-methyl amine and pH). Moisture content of fresh fish varied over a range from 65.33 to 78.92%. Likewise, protein (8.58 to 19.06%), fat (6.12 to 12.99%) and ash (1.07 to 8.41%) content indicated wide variation in the ten fresh fish analysed. TVB-N and TMA-N values of fresh fish were found ranging between 10.92 ± 0.23 to 25.75 ± 0.80 mg N 100 g-1 and 7.70 ± 0.67 to 18.50 ± 0.77, respectively. The values of pH of the samples ranged from 7.03 ± 0.05 to 6.7 ± 0.07.
  M. Shamsul Haque , M. Asaduzzaman , Firoza Akhter , M. M. Hossain and Zakaria Ahmed
  An experiment was conducted in laboratory condition maintaining the ratio of plant stems and water at the range of 1:5, 1:10, 1:15, 1:20, 1:25 and 1:30 at a temperature 30°C. The best retting phenomena was observed at the ratio of 1:20. After the completion of retting in each ratio, fibre properties were measured and the best fibre was obtained at the ratio of 1:20. In the Retting top and bottom parts of the jute plants separately and malleting 40 cm of the basal part improved the fibre quality and showed more or less uniform retting. The cutting was completely eliminated through malleting and separately retting top and the bottom parts of the jute plants.
  M.A. Hamid , M.Z. Islam , M. Biswas , A.A. Begum , M. Saifullah and M. Asaduzzaman
  The growth and yield of soybean was determined using two factors viz., methods of sowing (line sowing and broadcasting) and seed rates (40, 60 80 and 100 kg ha -1). Results revealed that leaf area index (LAI) and shoot dry matter weight were higher in line sowing than broadcasting throughout the entire course of development. Significantly highest number of plant population/plot, branches/plant, filled pods/plant, seed and stover yield were obtained in line sowing method. Seed rate significantly influenced all the studied characters except 100-seeds weight. It was observed that LAI, shoot dry matter weight, plant population/plot, plant height, number of unfilled pods/plant and seed yield increased with increased seed rate while number of branches/plant, filled pods/plant and seeds/plant decreased with increased seed rate. Interaction between line sowing and 100 kg seeds/ha gave the highest seed yield (2.76 t ha -1) which was statistically similar to line sowing and 80 kg seeds/ha (2.67 t ha -1).
  K. Azam , M.Z. Basher , M.Y. Ali , M. Asaduzzaman and M.M. Hossain
  Organoleptic, microbiological and biochemical qualities of four dried fish samples (Mugil cephalus, Scoliodonshorrakowah, Harpodon nehereus and Setipinna phasa) were assessed in summer and winter season and their qualities were compared. The organoleptic score of the samples collected in winter were higher than summer season. The standard plate count (SPC) of different samples in summer and winter indicated an acceptable microbial load. Total Coliform (TC) counts of the samples in summer and winter were found to vary between <3 MPN g-1 to 4 MPN g-1 and had no differences except for Mugil cephalus (4 MPN g-1 in winter) and Harpodon nehereus (4 MPN g-1 in summer). Total Coliform (TC) counts of rest of the samples were <3 MPN g-1. The faecal coliform counts of all the samples were also <3 MPN g-1. Vibrio and Salmonella were not detected in any of the four samples. A slight variation was observed in moisture, ash, protein and fat content of the samples in summer and winter. Moisture, ash, protein and fat content of Parshe were higher in summer. In case of Mugil cephalus and Scoliodon shorrakowah, TVB-N was higher in winter than summer. TMA-N content of the two species (Mugil cephalus and Scoliodon shorrakowah) showed a similar pattern to that of TVB-N. TVB-N and TMA-N content of the remaining two species i.e. Harpodon nehereus and Setipinna phasa showed a reverse pattern in comparison to Mugil cephalus and Scoliodon shorrakowah. Mugil cephalus and Harpodon nehereus showed higher pH in winter than summer while, the pH in Scoliodon shorrakowah and Setipinna phasa was higher in summer.
  M.R. Mondol , S. Dewan , M.A Hossain , M. Asaduzzaman , M.A. Islam and U.A. Rozario
  In the present experiment the fingerlings of Puntius gonionotus (Thai Sarpunti) were stocked in the experimental rice field plot of Agronomy Field Laboratory, Bangladesh Agricultural University, to study their food and feeding habits in rice field. The fingerlings of this fish were stocked after 20 days of transplanting rice seedlings and the samplings of fishes were done once in every month from June to August. The gut contents of fishes were analysed by the numerical method and percentage of frequency of occurrence method. The water quality parameters such as temperature, Dissolved Oxygen  (DO), pH, total alkalinity, chlorophyll-a, nitrate-nitrogen and phosphate-phosphorus showed monthly variations and they were within productive range. A total of 37 genera of phytoplankton belonging to Chlorophyceae, Euglenophyceae, Cyanophyceae and Bacillariophyceae were recorded in the water of the experimental plot of rice fields and in zooplankton population a total of 13 genera belonging to Rotifera, Cladocera and Copepoda were recorded. Among the 4 groups of phytoplankton Chlorophyceae was the most dominant group and Euglenophyceae was the least dominant group and in zooplankton Rotifera was recorded as the most dominant group and Cladocera as the least dominant group. However among the plankton population, phytoplankton was recorded highly dominant over zooplankton in the water of rice field. Among the genera of phytoplankton Fragilaria, Navicula, Surirella, Chlorella, Chrysococcus, Scenedesmus, Ulothrix, Euglena, Cyclotella and Oscillatoria and among the genera of zooplankton Brachionus, Cyclops, Asplanchna and Nauplius were dominant in water of the plot. The total number of genera of phytoplankton recorded in the gut contents of P. gonionotus were 36 and that of the genera of zooplankton recororded were 6. Among the 4 groups of phytoplankton Bacillariaophyceae was the most dominant and preferred group. With respect to zooplankton. P. gonionotus showed very less preferance on them. Among the genera of phytoplankton the relatively more preferred genera were Navicula, Closterium, Fragilaria, Chrysococcus, Oscillatoria, Tabellaria, Scenedesmus, Ulthrix and Aphanizomenon. P. gonionotus showed very less preference on the genera of zooplankton. P. gonionotus may be regarded as planktivores feeding mostly on phytoplankton.
  M.M. Hossain , M.M. Hossain , M.M. Rashid , M. Asaduzzaman and M.M. Rahman
  The present study was assigned to determine the present status including general information, feeding breeding housing milking etc. and costs & returns of small dairy farms, to compare the productive and reproductive performance of crossbred and indigenous cows and to make recommendation for development of small scales dairy farm. With this view, the empirical data were collected by using protested questionnaire. The study was conducted at 8 thanas in Rangpur district, and four months-long survey was diminished on thirty small dairy owners. It appeared from the study that 57% farm owners belong to business class and remaining 43 per cent to different categories. Fifty three per cent took dairying as a side-business whereas only 47 per cent took it as a main business enterprise. Major percentage of farm owner education level that was Higher Secondary level (60%) and the average number of animal per farm was 13.01. The average monthly income of farm owners found in the study area was Tk. 4387. It was observed that farm owners had 85.4% crossbred (like Friesian cross and Jersey cross) and was 14.6% indigenous cattle, and 87% farmers used artificial insemination and rest used both artificial and natural services. Daily milk yield/cow/farm was 4.27 and 1.78 liters for a crossbred and indigenous dairy cow, respectively. It was estimated that the rearing cost of dairy cow was Tk. 67.5/cow/day and return from rearing dairy cow was Tk. 85.2/cow/day. The net return was Tk. 17.7/cow/day from crossbred in the study area and cost benefit ratio was 1: 1.26. The study showed that there were significant (P<0.01) differences within the dry period, service per conception, calving to first service, highest and lowest milk production and lactation period of crossbred and indigenous dairy cows. The study also showed non-significant differences within calving interval for crossbred and indigenous. Incase of small dairy farming, the farms were facing a lot of problems such as scarcity of feeds and fodder, high price of concentrate and lack of technical knowledge. Although the dairy cow owners face problems, the study observed that there were potentials particularly for the small dairy farmers. The small farmers by keeping 8-10 crossbred cows could earn a modest living by adopting small dairy farming as a profession.
  M.M. Rashid , B.C. Roy , M. Asaduzzaman and M.M. Alam
  This study was conducted to know the management system, to determine cost and benefit, to identify constrains and to make recommendations for development of such small dairy farms in Jessore District. From this study, it was revealed that the milch cow per farm was 5.12 and average milk yield per day per cow was 5.78 liter. Cows were inseminated 76% by artificially and 24% by both natural and artificial means. About 68% roughage was used as dry and the rest used as green grass. Fifty four percent, 24% and 22% farms had semi pucca, kacha and pucca houses, respectively for their animals with 90% proper ventilation and 66% proper drainage system. Milking done by male 76%, female 20% and both 4%. Milk was sold to neighbors, vendors, restaurants and sweet makers. The average market price of milk per liter was Tk. 14.32. The average production cost per cow per year was Tk.. 17,790.83. Feed cost was Tk.. 14,024.54, which was 78.83% of production cost. On the basis of some problems reported by farm owners, some recommendations are made for sound dairy development in the study area.
 
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