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Articles by S. Ahmed
Total Records ( 11 ) for S. Ahmed
  S. Ahmed , M. A. Awal , M. M. Rahman and M. Mostofa
  Comparative efficacy of neem and karela with insulin and glibenclamide was studied on some biochemical parameters (Blood glucose, Serum urea and Serum creatinine) in 40 rabbits from February to April, 2003. Rabbits were randomly divided into 8 equal groups and rabbits of group A and B were kept as non hyperglycemic control and hyperglycemic control respectively. Hyperglycemia was induced in 7 groups of rabbits (B, C, D, E, F, G and H) by administering alloxan at a dose of 200 mg/ kg body wt. s/c. After 15 days of alloxan injection, 6 groups of rabbits (C, D, E, F, G and H) were treated with insulin, glibenclamide, neem seed kernel powder (NP), neem seed oil (NSO), neem leaf extract (NLE) and karela fruit juice (KFJ) at the dose rate of 5 U/kg, 0.5 mg/ kg., 500 mg/kg , 1 ml/kg , 500 mg/ kg.and 100 mg/kg body weight respectively for consecutive 28 days. All the control and treated rabbits were closely observed during 28 days of treatment and also for 14 days of post-treatment period and biochemical parameters were investigated. Blood glucose levels were significantly (P<0.01) reduced in all treated six groups of rabbit to the extent of 25-42% in comparison to their pre-treatment values. Similarly, serum urea and creatinine values were reduced significantly (P<0.01) to the extent of 15-25% and 4-15% respectively on 28th day of treatment in comparison to their 21th day treatment values. It was also observed that patent drugs insulin and glibenclamide induced better and almost equal efficacy in reducing the parameters whereas herbal preparations of neem, i.e., NP, NSO and NLE showed almost equal but less efficacy than two patent drugs and Karela fruit juice was found to be least effective. It may be concluded that instead of less efficacy than patent drugs, the efficacy of neem and karela was also encouraging.
  J.A.S.M.M. Islam , M.J. Khan , K.M.S. Islam and S. Ahmed
  The study was conducted for a period of 6 months to observe the effect of replacing fish meal(FM) by sesame oil cakelSOC) on the performance of Starcross layer reared on pond. A total of 72 birds of twenty weeks of age were divided into three treatments having 3 replications in each. Diet for treatment A contains fish meal and sesame oil cake @12% with other conventional ingredients. Fish meal was replaced by SOC at the rate of 25 and 50% in the treatment B and C respectively. The results clearly indicated the comparative usefulness of SOC as replacer of FM when the cost per kg egg production was considered. All the treatments were found to be almost equally suitable for rearing of Starcross layer. So, it may be suggested to replace FM by SOC up to a level of 50% depending upon the availability and price.
  Baktear Hossain , S. Ahmed , A. K. M. M. Hossain , M. S. H. Khan and T. N. Kumar
  Two identical field experiments were conducted in the farmer’s field at Dinajpur and Rangpur with a view to investigate the requirement of secondary (Ca, Mg and S) and micronutrients (Zn, Cu, B and Mo) for the cultivation of BRRI Dhan-32. There were 12 treatments, Grain and straw yields were significantly reduced by the omission of secondary (Ca, Mg and S) and micronutrients (Zn, Cu, B and Mo) from the complete treatment in both the locations. The treatment comprising secondary and micronutrients gave the highest yield of 4913 and 4732 kg ha‾1 at Dinajpur and Rangpur locations, respectively while the absolute control produce the minimum yield ((2743 and 2627 kg ha‾1). Amongst secondary nutrients, omission of S (T5) from the complete treatment showed lower yield compared to Ca and Mg missing treatments. Boron and Zn missing plots showed lower yield compared to those of Cu and Mo missing plots. Application of secondary and micronutrients revealed a beneficial effect on yield contributing characters, which in turns resulted in higher grain yield of BRRI Dhan 32
  M.M. Haque , K. Rafiq , S.J. Sherajee , S. Ahmed , Q. Hasan and M. Mostofa
  The present investigation was carried out in 40 guinea pig with the aim to investigate the efficacy of some indigenous medicinal plants in the treatment of external wounds. Two wounds of 2.00 cm length and 0.5 cm depth were made on the opposite thigh muscles and the effects of some antibacterial and some indigenous medicinal plants leaves were observed separately. Among the antibacterial used in this studies comparatively Nebanol powder showed the best result and was more effective for the treatment of fresh wounds in which healing occurred with in 11 days, Where as it was taken 13 days for sulfanilamide powder and 15 days for dusting powder treated groups. In the present experiment the leaves of the Neem, Ganda, Mehedi and raw Halid were applied as fresh aqueous pastes for the treatment of artificially produce wound in guinea pig. In comparison to their effect, Neem leaves paste showed the more effectiveness where healing was completed on 15 days, Halud paste and Ganda leaves pastes showed the same results, where healing was completed on 17 days. The Mehedi paste was the least effective in which healing occurred on 19 days. This investigation suggested that Neem leaves fresh paste are more effective for wound healing in guinea pig which may be suggested for the treatment of fresh wound healing of other livestock.
  S.J. Sherajee , K. Rafiq , N.S. Juyena , S. Ahmed and M.A. Hashim
  To find out the effect of diazepam and promethazine hydrochloride on respiratory rate, pulse rate, temperature and production of clinical signs in goats and also to compare the effect of 2% lignocaine hydrochloride and 0.5% bupivacaine hydrochloride during paravertebral and epidural analgesia were investigated. A total of 16 apparently healthy Black Bengal goats with body weight of 8-12 (median 9.5 kg) kg were used and allocated in 8 groups. Both diazepam and promethazine, were used as sedatives. Diazepam and promethazine produced significant reduction (P<0.01) of respiratory rate and significantly (P<0.01) increase of the pulse rate, respectively. But both drugs produced reduction of temperature insignificantly. The important clinical signs recorded using diazepam was movement of legs, neck, salivation and sleepiness whereas with promethazine only a tranquilizing effect was recorded. With 2% lignocaine hydrochloride the onset of analgesia was rapid compared to 0.5 bupivacaine hydrochloride. But the duration was significantly longer in 0.5% bupivacaine than that of 2% lignocaine hydrochloride. Muscle relaxation was better with 2% lignocaine hydrochloride compared to 0.5% bupivacaine hydrochloride. This experiment suggested that both diazepam and promethazine are suitable as pre-medicants in goats and bupivacaine seemed to be better for longer duration of analgesia compared to lignocaine which may be used for shorter and minor surgery in goats.
  T.S. Syed , G.H. Abro and S. Ahmed
  In this study different insecticides were tested under field condition on cabbage, Brassica oleracea capitata and cauliflower, Brassiaca oleracea botrytis at vegetable fields of TandoAllhayar, Dist Hyderabad. Pretreatment observations were recorded one day before treatment and post treatment after 96 h and seven days interval in first and second sprays, respectively. Avermectin was most effective when applied on cabbage in first and second sprays against diamond back moth, where as, Bacillus thuringiensis and spinosad remained effective in both sprays after 96 h and seven days interval, on cauliflower compared with other insecticides. It was concluded that Bacillus thuringiensis, avermectin and spinosad were more effective compared with other insecticides tested in the present study.
  M.A. Zaman , S. Ahmed and B.C. Sutradhar
  A breed and three crossbreds (Fay, RIRxFay, NNxRIR, NNxFay) were studied for egg quality at different age under semi-scavenging system of management. The egg weight was highest (41.87, 44.03, 44.7 and 46.97 g) for RIR x Fay at sexual maturity, one, two and three months after sexual maturity. RIRxFay showed the highest (0.335, 0.337 and 0.340 mm) shell thickness and Albumen height (7.77, 8.48, 8.54 mm) at sexual maturity, one and three months after sexual maturity with exception at 2 months after sexual maturity (0.320 and 8.02 mm) for shell thickness and albumin height, respectively. Although yolk height was highest in case of RIR x Fay at sexual maturity NNxFay and NNxRIR showed the highest (19.82 and 19.03 mm), respectively for the next 2 months and at 3 months after sexual maturity NNxFay was found to be highest (19.93 mm). The highest yolk colour score (10.78) was in RIRxFay at sexual maturity and there after decreased over time. In case of Haugh unit RIRxFay showed the highest (77.7 and 82.21) at sexual maturity and 3 months after at sexual maturity but NNxFay and Fay showed the highest (83.17 and 82.29) at one month and two months after sexual maturity, respectively. It may be concluded that RIRxFay might be the best for quality egg production under semi-scavenging system of management.
  P.K. Biswas , B.K. Sil , R. Faruque , S. Ahmed , D. Biswas and S. Chowdhury
  A disease outbreak was investigated in a commercial broiler parent stock farm. The outbreak began at the mid of May 2000 and continued more than one month. During the period mortality was recorded around 4 % in the affected shed, flock strength of which was 5000 birds. During post mortem examination the pericardial sac was found engorged with straw colour pericardial fluid. Numerous subcapsular petechial and ecchymotic haemorrhages were seen in liver. No bacterial growth was found after 48 hours of incubation on Muller-Hinton and MacConkey agar surfaces inoculated from the pathological sample. But poor viral growth was recorded in chick embryo fibroblast cell culture propagated inoculums making from heart and liver. Harvested virus using as antigen source from the growth was found reacted positively in agar gel precipitation test with reference conventional adenovirus polyvalent antiserum. Two of the four randomly collected serum samples of the affected flock at day 20 of the outbreak were also found reacting positively with the known reference antigen produced by the same institute. Not having the type specific antiserum the present study failed to elucidate the stereotype (s) that involved in the said outbreak. Nevertheless, the study seems to be the first report of adenoviral induced hydropericardium-hepatitis syndrome or leechi heart disease affecting chicken in Bangladesh.
  C. Akem , S. Kabbabeh and S. Ahmed
  The influence of chickpea (Cicer arietinum) planting date on seasonal epidemics of Ascochyta blight caused by Ascochyta rabiei (Pass.) Labrousse and on grain yield was evaluated during the 1997 and 1998 cropping seasons. Two chickpea cultivar (Ghab 1 and Ghab 3) and 2 breeding lines (FLIP 90-96 and F 88-85) were used in the field trials at 3 different locations representing the different agro ecological zones in which winter chickpea is grown in Syria and in most of the Mediterranean countries. Four field plantings were made at 14-day intervals from mid November to mid March. All plots were initially inoculated with infected debris and disease development followed natural prevailing environmental conditions. Ascochyta blight disease severity ratings were taken at early flowering and again at podding and grain yield for each plot was measured at harvest. There was a significant (p<0.05) increase in disease severity between the first and third planting in all the entries at all the locations and for both years. The difference in disease severity resulted in significant yield differences but not in differences in seed quality. Under Syrian and Mediterranean conditions, an increase in Ascochyta blight severity can be expected with early planting of chickpea before January and this can result in a corresponding big loss in crop yield. The loss in yield from disease through early plantings however, is more than compensated for, by the reduction in yield due to other environmental parameters in late spring planting, if moderate resistant cultivars are planted.
  C. Akem , S. Kabbabeh and S. Ahmed
  Field trials were conducted at 3 Mediterranean environments in Syria, during the cropping seasons of 1997 and 1998, to evaluate the control of chickpea Ascochyta blight with a single fungicide spray on 4 chickpea genotypes. Ascochyta blight disease epidemics were produced at the different locations and plots with the spread of Ascochyta-infected chickpea debris soon after crop germination. The plots were sprayed with a single application of the fungicide, Chlorothalonil at 4 different growth stages, starting from seedling stage to podding growth stage, to determine the effect of the fungicide application timing on Ascochyta blight severity, chickpea grain yield and grain quality. Generally, single applications made before flowering significantly (p<0.05) reduced disease severity in the 2 susceptible genotypes, Ghab1 and Ghab 3. Plot yields of these genotypes were also significantly greater than the untreated controls when applications were made at seedling or vegetative growth stages. There was no significant difference in disease severity and grain yield, between the untreated control and time of application on the resistant genotypes, F 90-96 and F 85-88. The timing of application had a significant effect on pod infection but generally no effect on seed weight. There were no significant effects of seed infection by Ascochyta rabiei. The results suggest that single fungicide sprays made before flowering are most effective in Ascochyta blight control under Mediterranean conditions and can also result in higher grain yields than applications made at the reproductive phase of the crop.
  C. Akem , S. Kabbabeh and S. Ahmed
  The influence of different row spacings on the development of Ascochyta blight and on the grain yield of chickpea (Cicer arietinum) was evaluated during the 1997 and 1998 cropping seasons. Two chickpea cutivars (Ghab 1 and Ghab 3) and 2 breeding lines (FLIP 90-96 and F 88-85) were used in the field trials at 3 locations, representing the different agroecological zones in which winter chickpea is grown in Syria and in most of the Mediterranean countries. Four row spacings, (15, 30, 45 and 60 cm), were evaluated in all the trials at the different locations. All plots were initially inoculated with infected chickpea debris and disease development followed natural prevailing environmental conditions. Ascochyta blight disease severity ratings were taken at early flowering and again at podding and grain yield for each plot was measured at harvest. There was a significant (p<0.05) decrease in disease severity as the row spacings were increased, in most of the entries at all the locations, for both years. There was a corresponding significant increase in grain yields with less disease at wider row spacings. The increase in grain yield was due to the added factor of increased plant branching at wider row spacings, than from less disease alone. This was noted in the more resistant entry (F90-96) which showed no significant change in disease severity with increased row spacings but still had a significant yield increase at wider row spacings at all the 3 locations. It would appear from this study that under Syrian and Mediterranean conditions, an increase in grain yield is expected when chickpea is planted at wider row spacings during winter. This increase is due both to lower Ascochyta blight severity and increased plant branching.
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