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Articles by M.R. Amin
Total Records ( 15 ) for M.R. Amin
  S.M.A. Khalid , M.R. Amin , M. Mostofa , M.E. Choudhury and B. Uddin
  Abstract: The experiment was conducted in the Department of Pharmacology, Faculty of Veterinary Science, Bangladesh Agricultural University, Mymensingh, for a period of 28 days to study the effects of indigenous medicinal plants (neem and pineapple) against gastro-intestinal nematodiasis in sheep. The sheep is the source of animal protein, hide, meat and milk. Parasitism is a serious problem of livestock where nutrition and sanitation are poor. In Bangladesh, gastro-intestinal nematodiasis causing a significant economic loss as a result of animal diarrhoea, stunted growth, decreased milk production, emaciation, loss of working ability and even death. Fifteen sheep were selected from fifty five sheep for this study which was heavily infected with gastro-intestinal nematodes marked by McMaster method. Sheep were treated with neem and pineapple (10% water extract of leaves). A significant (p < 0.01) reduction of EPG count was found on 7th, 14th, 21st and 28th day of neem (47.03, 46.27, 41.82 and 37.60%) and pineapple (41.13, 39.27, 36.32 and 32.18%) treated sheep. The EPG count of untreated control group were significantly (p < 0.01) increased about 7.88, 11.45, 20.15 and 30.26% on 7th, 14th, 21st and 28th day, respectively. After treatment with neem and pineapple, Total Erythrocyte Count (TEC), Hemoglobin (Hb) content and Packed Cell Volume (PCV) were increased significantly (p < 0.01 and p < 0.05) in sheep. On the other hand Total Leukocyte Count (TLC) was decreased significantly (p< 0.01 and p < 0.05) in all treated sheep. The body weight was increased significantly (p < 0.01 and p < 0.05) in neem and pineapple treated sheep. On the other hand body weight was decreased in untreated control group. Neem and pineapple (10% water extract of leaves) may be used as moderate anthelmintics against gastro-intestinal nematodiasis in sheep.
  B.K. Paul , S.K. Das , S.C. Badhy , M.R. Amin , K.M.R. Amin and S.C. Banik
  To asses the effect of existing and imposed vaccination programme on body weight in broiler under farm condition in Bangladesh an experiment was conducted in the Department of Medicine, Faculty of Veterinary Science, Bangladesh Agricultural University, Mymensingh-2202, Bangladesh from August to September 2003. Seven different broiler farms in the Sherpur District were taken dividing the farms into two groups-Group I: for existing vaccination and Group II: for imposed vaccination. From all the farms blood samples were collected before vaccination to check maternal antibody level. Infected as well as dead birds were undergone through necropsy examination properly in spot as well as BLRI, Savar, Dhaka. The present study reveled that the birds survived the diseases lost ranges from 1190-1320g (Group I) than those did not face Gumboro 1585-1620g (Group II). Thus, there is a significant variation in body weight in Gumboro affected broilers due to existing and imposed vaccination programme under farm condition.
  M.R. Amin , S.M.A. Khalid , M.O. Alam , M. Mostofa , B. K. Paul and M. Shahiduzzaman
  The research work was carried out to investigate the effects of Helmex? and Peraclear? against gastro-intestinal nematodiasis in sheep. The effects of Helmex? and Peraclear? on clinical parameter (body weight) and some haematological parameters (TEC, Hb, PCV and TLC) in sheep were also determined in this study. Fifteen sheep were selected from fifty five sheep for this study which was heavily infected with gastro-intestinal nematodes marked by McMaster method. Out of three groups of sheep (each containing 5 sheep), one group was kept as control. Another two groups of sheep received separately Helmex? (albendazole, @ 15mg/kg body weight orally, Renata Limited, Bangladesh) and Peraclear? (fenbendazole, @ 5 mg/kg body weight orally, Techno Drugs Limited, Bangladesh). A significant (p<0.01) reduction of EPG count were found on 7th, 14th, 21st and 28th day of Helmex? (83.61%, 82.35%, 79.73% and 77.25%) treated sheep. Significant (p<0.01) reduction of EPG count were also found on 7th, 14th, 21st and 28th day of Peraclear? (84.41%, 83.77%, 81.74% and 79.53%) treated sheep. The EPG count of untreated control group were significantly (p<0.01) increased about 7.88%, 11.45%, 20.15% and 30.26% on 7th, 14th, 21st and 28th day respectively. The EPG count of untreated control group were significantly (p<0.01) increased about 7.88%, 11.45%, 20.15% and 30.26% on 7th, 14th, 21st and 28th day respectively. After treatment with Helmex? and Peraclear?, total erythrocyte count (TEC), haemoglobin (Hb) content and packed cell volume (PCV) were increased significantly (p<0.01 and p<0.05) in sheep. On the other hand total leukocyte count (TLC) was decreased significantly (p<0.01 and p<0.05) in Helmex? and Peraclear? treated sheep. The body weight was increased significantly (p<0.01 and p<0.05) in Helmex? and Peraclear? treated group. On the other hand body weight was decreased in untreated control group. Helmex? and Peraclear? may be used as a broad spectrum anthelmintic against gastro-intestinal nematodiasis in sheep.
  K.M. Rezanur Rahman and M.R. Amin
  The theoretical investigation of nonlinear optical waves in multi-layers systems and Multiple Quantum Well (MQW) structures have been made in this study. Numerical analysis for finding uniformity of amplitude-identical nonlinear field profile has been presented. Influence of structure parameter on optical power is also discussed.
  M.Y. Sarker , M. Mosaddeque Hossain , M.K. Hasan , M.A.H. Khan , M.R. Amin and F. Begum
  The experiment was conducted to determine the weed vegetation due to the effect of planting methods and weeding regime. Two factors included in the experiment were: methods of planting and weeding regime. The results revealed that weed vegetation in the two methods of planting varied remarkable. Fifty-five weed species belonging to 17 families infested the crop. Among the weed species, Fimbristylis miliacea (L.) Vahl was the principal weed in direct seeded aus rice and Panicum repens L. in the transplanted aus rice. Twenty-four weed species were found to grow only in the direct seeded crop and only eight in the transplanted crop. Weed density and weed dry weight was significantly affected by the method of planting and weeding regime. Weed density and dry weight was significantly higher in direct seeded than in transplanted crop.
  S.M.J. Hossain , M.R. Alam , N. Sultana , M.R. Amin and M.M. Rashid
  The study was conducted to investigate milk production performance of Black Bengal goat in different parity reared in semi-intensive system. Twenty five pre-pubertal (6-7 months) female Black Bengal goats were selected on the basis of their phenotypic characteristics and their ancestral history from Goat Development farm, Savar, Dhaka. Milk production records of the Black Bengal goat were recorded from January 2000 to December 2002. During the trial they are allowed to graze and concentrate supplement at the rate of 300, 200 and 100 g d-1 to does bucks and kids respectively. Average litter size in the 1st, 2nd and 3rd parity was 1.08, 1.76 and 1.96, respectively. Total milk yield d-1 in the 1st, 2nd and 3rd parity was 275, 312 and 332 g d-1, respectively. Lactation length and milk yield kg-1 live weight lactation-1 in the 1st, 2nd and 3rd parity were 61.56, 66.4 and 67 days and 1.02, 1.2 and 1.2 kg, respectively. Milk yield lactation-1 was 16.37, 20.86 and 21.8 kg, respectively. Milk production performance of Black Bengal goat was better in 3rd parity than that of the 2nd and 1st parity.
  M.R. Amin , M. Mostofa , K. Rafiq , M.S. Hossain , M.M. Hasan and M.L. Sharmin
  The research work was carried out to investigate the effects of oral administration of glucocorticoids (dexamethasone and prednisolone), NSAIDs (aspirin and paracetamol) and sulfonylureas (gliclazide and glibenclamide) on body weight and blood glucose in mice. Out of seven groups of mice (each containing 5 mice), one group was kept as control without giving any drug. Another six groups of mice received separately dexamethasone (Oradexon®, 3.5 mg kg-1 b.wt.) prednisolone (Deltasone®, 8 mg kg-1 b.wt.), aspirin (Ecospirin®, 620 mg kg-1 b.wt.), paracetamol (Napa®, 333 mg kg-1 b.wt.), gliclazide (Comprid®, 64 mg kg-1 b.wt.) and glibenclamide (Glucotab®, 16 mg kg-1 b.wt) orally along with normal feed. A significant (p<0.05) reduction of body weight was recorded on 7th day following administration of dexamethasone, gliclazide and glibenclamide in mice. This reduction was highly significant (p<0.01) on 21st, 42nd and 70th day following dexamethasone, gliclazide and glibenclamide treated groups. Similarly prednisolone significantly (p<0.01) reduced body weight of mice in whole experimental period. A significant (p<0.01) increase of the blood glucose level was found due to dexamethasone, prednisolone, aspirin and paracetamol administration on 7th , 21st, 42nd and 70th day. On the other hand, a significant (p<0.01) decrease of blood glucose level was found in mice treated with gliclazide and glibenclamide in whole experimental period. It may be concluded that oral administration of glucocorticoids, NSAIDs and sulfonylureas have variable effects on blood glucose level in mice.
  S.M.A. Khalid , M.R. Amin , M. Mostofa , M.J. Hossain and M.A.K. Azad
  The present study shows that the overall prevalence of gastro-intestinal nematodes in sheep was 58.18% in Mymensingh. Sheep were infested with Strongyloides spp. (7.7%), Haemonchus spp. (18.18%), Trichuris spp. (5.45%), Oesophagostomum spp. (9.09%) and mixed infection (14.18%). Twenty sheep were selected from fifty five sheep for this study which was heavily infected with gastro-intestinal nematodes marked by McMaster method. Sheep were treated with Vermic® (ivermectin) @ 0.23 mg kg-1 body weight. A significant (p<0.01) reduction of EPG count was found on 7th, 14th, 21st and 28th day of Vermic® (90.51, 89.85, 87.91 and 86.38%) treated sheep. The EPG count of untreated control group were significantly (p<0.01) increased about 7.88, 11.45, 20.15 and 30.26% on 7th, 14th, 21st and 28th day, respectively. After treatment with Vermic®, Total Erythrocyte Count (TEC), Hemoglobin (Hb) content and Packed Cell Volume (PCV) were increased significantly (p<0.01 and p<0.05) in sheep. On the other hand Total Leukocyte Count (TLC) was decreased significantly (p<0.01 and p<0.05) in all treated sheep. The body weight was increased significantly (p<0.01 and p<0.05) in Vermic® treated group. On the other hand body weight was decreased in untreated control group. Vermic® may be used as a broad spectrum anthelmintic against gastro-intestinal nematodiasis in sheep.
  M.S.H. Reza , C. Mandal , K.A. Alam , A. Salam , M.A. Rahman , M.R. Amin , M.N. Huda , N.C. Ghosh , M.R. Ali and F. Ahmed
  The ethanol extract of leaves of Hoya parasitica was tested for its phytochemical groups, antibacterial and antinociceptive activities. The ethanol extract showed the presence of flavonoids, reducing sugars, tannins, gums and saponins. The extract showed moderate antibacterial activity against both gram-positive and gram-negative bacteria. It also produced significant (p<0.01) writhing inhibition in Swiss albino mice at oral dose of 500 mg kg-1 body weight comparable to the standard drug diclofenac sodium.
  M.A. Khan , M.M. Rashid , M.A. Siddique , M.R. Amin and M.S. Rahman
  The present study was carried out through the period of 1999-2000, to investigate the future prospects of orange cultivation in the Panchagarh region of Bangladesh. The study revealed that the Panchagarh district is endowed with favorable environmental conditions for the growth and development of sweet orange/ mandarin production.
  A.K. M.H. Kober , G.K. Deabnath , G.C. Chanda , T. Chanda and M.R. Amin
  This study was undertaken to evaluate the performances of economic trait of different dairy cows under village condition. The result showed that the average milk production of Holstein-Friesian cross, Sahiwal cross, Sindhi cross and indigenous dairy cows were 6.29±3.16, 4.72±1.01, 3.73±1.10 and 2.10±0.697 l per day, respectively. The average length of lactation period for Holstein-Friesian, Sahiwal and Sindhi cross and indigenous dairy cows were 263±24.73, 256.31±24.31, 255.86±27.58 and 230.62±30.68 respectively. The average post-partum heat periods of Holstein-Friesian, Sahiwal and Sindhi cross and indigenous dairy cows were 98.75±40.58, 97.63±36, 03, 114.65±21.24 and 108.46±36.32 days, respectively. The calving interval of Holstein-Friesian, Sahiwal and Sindhi cross and indigenous dairy cows were 373.25±33.25, 383.42±34.44 , 397.77±37.07 and 418.78±36.74 days, respectively. The average length of dry periods of Holstein-Friesian, Sahiwal and Sindhi cross and indigenous dairy cows were 127±46.66,136.05±23.42, 138.39±41.78 and 170±68.89 days, respectively. It was concluded that economic trait, productive and reproductive performances of indigenous cows were inferior to crossbred dairy cows.
  M. Hasanuzzaman , M.A.K. Mian , H.F. El-Taj , S. Huda and M.R. Amin
  Floral biology and yield performance of different Snake gourd (Tricosanthes cucumerina L. syn. T. anguina L.) genotypes were investigated to develop high quality and yielding variety/ies. There were differences between the snake gourd genotypes in respect of floral biology and yield potentiality. Starting of the anthesis occurred within 7 to 8 pm in male flowers and required 19 to 33 minutes for full blooming. The anthesis of the female flower started from 7 to 8 pm and completed their full blooming within 1 to 2 h. Time of anther dehiscence started from 4 pm to 5 pm i.e. about 3 h before anthesis and completed at 7 to 8 pm. The fresh pollen viability percentage was around 99.00 and no pollen grain was germinated before 5 h at field condition. The stigma became receptive about 15 h before anthesis and it remained receptive upto 27 h after anthesis. SG 04 was more cross compatible than the self compatible
  S.A. Azmal , M.R. Amin , P.C. Goswami , M.P. Mostari , M.S. Islam and R. Khatun
  The experiment was conducted to compare the relative efficiency of homo and heterospermic insemination in respect of fertility judged by conception and calving rate. Spermatozoa from three different breeds of bull namely Holstein Friesian (HF), Red Chittagong (RC) and Sahiwal (SL) were mixed in equal number and preserved for 3 days and inseminated at different days. In this study 168 cows were inseminated and 42 of them were inseminated with heterospermic semen containing equal numbers of spermatozoa from a HF, a RC and a SL bull. After calving the paternity of calves was established by comparing coat colour and conformation. Difference between homo and heterospermic insemination on conception and calving rate was not significant (p>0.05). The heterospermic conception and calving rates were 80.95 ±0.07 and 64.29 ± 0.08%, with the homospermic rates being 66.67 ±0.04 and 50.79 ±0.04%, respectively. The conception and calving rate from heterospermic insemination was found insignificantly (p>0.05) different from that of homospermic insemination separately at first, second and third day of preservation. Conception rates of homo and heterospermic insemination at first day were 76.19 ±0.07 and 85.71 ±0.12%, respectively. The corresponding values at third day were 59.52 ±0.07 and 78.57 ±13%. Calving rate of homo and heterospermic insemination at first day were 57.14±0.08 and 64.29 ±0.13%, respectively. The corresponding values at third day were 45.24 ±0.08 and 64.29 ±0.13%. The numbers of offspring (12:8:7) sired by the three bulls (HF: RC:SL) after using heterospermic semen did not differ significantly from an assumed 1:1:1 ratio (χ2 = 1.55: p>0.05). The sex ratios among calves from heterospermic insemination (15♂ .12♀) also did not differ significantly (χ2 = 0.34: p>0.05) from 1:1. From the above results, it was concluded that heterospermic insemination did not however, show any significant superiority in conception and calving rate in cows compared to homospermic insemination. However, heterospermic insemination offers no apparent risk to co-operating farmers, since overall conception and calving rate were either numerically higher or at least equal to that obtainable from homospermic insemination.
  S.A. Azmal , M.R. Amin , H. Khatun , M.S. Islam , M.P. Mostari and P.C. Goswami
  The experiment was conducted to compare the relative efficiency of homo and heterospermic bull semen in terms of preservation quality. Spermatozoa from three different breeds of bull namely Holstein Friesian (HF), Red Chittagong (RC) and Sahiwal (SL) were mixed in equal number and preserved for 3 days. The quality of semen in terms of mass motility, normal and live sperm content of homo and heterospermic semen were studied at various preservation periods. In total 312 samples were included in the analysis. The average (%) mass motility, normal and live sperm of homospermic semen were 51.77 ± 0.49, 77.55 ± 0.45 and 78.73 ± 0.44 respectively and for heterospermic semen the corresponding values were 59.94 ± 0.85, 83.55 ± 0.78 and 83.69±0.76. The significantly (p<0.001) highest mass motility, normal and live sperm percentages were observed in heterospermic semen as compared to homospermic semen. The quality of semen between homo and heterospermic semen in terms of mass motility, normal and live sperm percentage did not differ significantly (p>0.05) between groups at first day but differed significantly (p<0.001) at second and third day of preservation. Mass motility of homo and heterospermic semen at first day were 60.77±0.55 and 62.31±0.95%, respectively. The corresponding values at third day were 44.04 ± 0.44 and 57.12 ± 0.77%. Normal sperm of homo and heterospermic semen at first day were 86.50 ± 0.43 and 86.31 ± 0.74%, respectively. The corresponding values at third day were 70.36 ± 0.38 and 81.00 ± 0.66%. Live sperm of homo and heterospermic semen at first day were 86.56 ± 0.43 and 86.54 ± 0.75%, respectively. The corresponding values at third day were 71.54 ± 0.46 and 81.42 ± 0.79%. From the above results, it was concluded that heterospermic semen could be better preserved in terms of mass motility, normal and live sperm percentage compared to homospermic ones.
  M. Nuruzzaman , M. F. Alam , M. G. Ahmed , A.M. Shohael , M.K. Biswas , M.R. Amin and M.M. Hossain
  Genetic variability was studied for eight quantitative traits in fourteen parental lines of hybrid rice. The characters were plant height, flag leaf initiation day, first panicle initiation day, days to 100% flowering, days to maturity, grain yield/10 hills, spikelet fertility/10 panicles and no. of effective tillers/hill. Two additional characters (flag leaf length and spikelet length) were included in heterosis study. In general high component of variation and coefficient of variability were observed for most of the characters. The highest component of variation, coefficient of variability and heritability were noticed in grain yield/10 hills. Characters those with high genetic variability and genetic advance were considered to be important for selecting the desirable lines. Heterosis was studied in ten F1 lines for 10 characters. In general, the hybrids performed significantly better than the respective parents. Mid parent, standard variety and better parent heterosis were observed for all the characters under study. In comparison of F1 hybrids with their respective mid parent, standard variety and better parent showed significant heterosis for most of the studied characters. Among the 10 hybrids three lines viz., IR62829AxIR62036-222-3-3-1-2R, IR58025AxIR61614-38-19-3-2R and IR68888AxIR56381-139-2-2R exhibited the highest heterosis in grain yield/10 hills. In conclusion, there was an ample scope for developing suitable hybrid rice from the studied parental lines as the hybrids exhibited vigour and earliness.
 
 
 
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