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Articles by J. Alam
Total Records ( 9 ) for J. Alam
  M. S. Islam , M. A. R. Howlider , F. Kabir and J. Alam
  A total of 3000 eggs; 750 eggs from each breed namely Barred Plymouth Rock (BPR),White Leghorn (WLH), Rhode Island Red (RIR) and White Rock (WR) were collected in 3 batches following AI from individually caged hens and were hatched to compare hatching parameters among breeds. The different hatchability traits of hen of different breeds; BPR, WLH, RIR and WR were compared. Hatching egg weight had no significant (P>0.05) difference among 4 genotypes. Fertility was highest in WLH, intermediate in WR and lowest and similar in BPR and RIR (P<0.01) with differences of fertility among 3 batches (P<0.01). Breed had little effect on hatchability of fertile eggs (P>0.05), but it differed among batches (P<0.01). Hatchability on total eggs was highest in WLH, intermediate in BPR and WR and lowest in RIR (P<0.05) and having also differences among batches (P<0.01). No significant (P>0.05) difference in dead in germs (DG) and dead in shell (DS) were found attributable to genotype, but DG and DS differed significantly(P<0.01) among 3 batches. Breed and batch had little effect on normal chicks and abnormal chicks hatched (P>0.05). Chick weight at hatching was highest (P<0.05) and similar in BPR (38.95 g) and WLH (38.96 g), intermediate in RIR (38.50 g) and lowest in WR (38.13 g). Batch had little effect on chick weight. Percent chick weight was found highest (P<0.01) in BPR (67.21%), intermediate in RIR (65.96%) and lowest and similar in WLH (65.17%) and WR (65.46%) without significant (P>0.05) difference in batches. There were some correlations among different hatchability traits depending on genotype within breed. The correlations were more profound among WLH. It was clear that chick weight as percent of egg weight was not just a function of egg weight, but also genotype played an important role favouring the heavier breeds.
  J. Alam , M. M. Rahman , B. K. Sil , M. S. R. Khan , Giasuddin and M. S. K. Sarker
  Infectious bursal disease is one of the most important viral disease of poultry usually affects young chickens of 3-6 weeks. Hygienic management and proper vaccination are main way of control of this disease. But maternal antibody affects vaccination with live vaccine. To determine the effect of maternally derived antibody on live vaccine, the study was conducted. A total of 100 day old chicks (50 from vaccinated parent stock and 50 from non-vaccinated parent stock) were used in this study. A preset vaccination schedule was followed for chicken and blood samples were collected to find out the actual effect. It is observed that day old chicks contain high level (6294.14±24.95) of maternally derived antibody which gradually decline below positive level within 15-20 days (390.45 ±19.42) and half-life is about 5 days. Vaccination of chicken with high level of maternally derived antibody interferes with the vaccine virus results no immune response but revaccination provokes immune response. Better immune response is found in chickens vaccinated at day 21 and boostered at day 28. But there may be chance of infection because maternal antibody declined below positive level within 15-20 days. Chickens from non-vaccinated parent stock shows good immune response from first time that is from primary vaccination at day 7 and boosting at day 14.
  M. M. Rahman , A. S. M. Bari , M. Giasuddin , M. R. Islam , J. Alam , G. C. Sil and M. M. Rahman
  An attempt has been undertaken to evaluate the humoral immunity against Newcastle disease in vaccinated chickens. Two different vaccination schedules were followed in 4000 Bovans White chickens (2000 in each treatment) with the history of ND vaccination in parent stock. The mean HI antibody titres of control groups of Treatment-1 and Treatment-2 revealed day-1 (285.51 and 289.43), day-5 (145.74 and 143.78), day-10 (73.58 and 71.47), day-15 (34.44 and 34.52) and day-20 (18.65 and 17.14) respectively. Birds of treatment-1 were vaccinated at 10 and 24 days old with live ND clone-30 vaccine and at 31 (half dose) and 120 (full dose) days old with oil adjuvant inactivated vaccine. Birds of treatment-2 were vaccinated at 10, 24 and 60 days old with live ND clone-30 vaccine and at 120 days old with oil adjuvant inactivated vaccine (full dose). The mean HI antibody titres for vaccinated groups of Treatment-1 and Treatment-2 revealed at day-10 (69.71 and 70.39), day-24 (19.73 and 24.34), day-31 (57.85 and 53.72), day-60 (251.52 and 76.34), day-120 (50.30 and 26.28) and day-150 (442.71 and 371.80) respectively. Vaccination program used in Treatment-1 gave better humoral immune response than in Treatment-2.
  M. Giasuddin Takashi Yoshikkawa and J. Alam
  There was an outbreak of avian pox infection in a flock of bantams (Gallus domesticus) with gross lesions of erosions, crusts and nodules on the comb, eyelids, oral mucosa, legs and toes. In histopathological study eosinophilic intracytoplasmic inclusion bodies were visualized by light microscope in epithelial cells of the cutaneous nodules. Electron microscopy revealed numerous pox virions in the inclusion body.
  M.A. Rashid , M.A.R. Howlider , J. Alam , Md. Abdur Rashid , M.H. Kawsar and S.A. Azmal
  Twenty four indigenous autosomal dwarf hens were selected and divided equally into 3 groups. Rhode Island Red, White Leghorn and Fayoumi Cocks, 2 for each were placed to each group respectively for breeding. Sixty eggs were selected from each group and hatched in a forced draft incubator. Among those, 36 healthy day-old chicks from each group were selected and reared up to 20 weeks of age. The chicks were identified as normal and dwarf genetic groups at 8 weeks of age. The aim of this study was to observe the reproductive parameters of crosses and parameters related to the meat yield of normal and dwarf genetic group of crossbred chicken under farm condition. Fertility, hatchability on total eggs and hatchability on fertile eggs of cross B (95.57; 68.71; 72.41) were higher (p<0.01) than cross A (93.44;63.44;67.62) and cross C (90.92;60.89;67.19). Dead-in-germ and dead-in-shell were statistically higher (p<0.01) in cross C than cross A&B. Reduced adult body size, improved feed conversion and higher livability were found in all genetic groups of dwarf crossbred. Among those, White Leghorn was found as the best one also considering its different dressing yields. Advantages of adw gene in terms of a good scavenger could better be exploited by introgressing in exotic smaller breeds like White Leghorn from indigenous dwarf chicken.
  M. Giasuddin , B. K. Sil , J. Alam , I. Koike , M. R. Islam and M. M. Rahman
  The postmortem and serological investigations of poultry diseases were conducted in different farms of Bangladesh. A total numbers of 1653 either dead or sick birds were examined. The incidence of aflatoxicosis was highest (27.59%) followed by nutritional deficiency (12.40%), infectious bursal disease (11.80%), chronic respiratory disease (8.11%) newcastle disease (7.50%) salmonellosis (5.56%) colibacillosis (4.42%), fowl cholera (3.08%) were found. 5.32% cases remain undiagnosed due to lack of diagnostic facilities or autolysis of the bird. In sero-evaluation, commercial and native birds were found 93-97, 80 -55, 56-12, 60-73, 67-61 and 22-3% sero-positive for newcastle disease, infectious bursal disease, pullorum, M. galisepticum, M. synovie and chicken infectious anemia respectively.
  M. S. K. Sarker , M. A. Islam , S. U. Ahmed and J. Alam
  A total of 100 ISA-Vedette, 100 Arbor Acres and 1000 Hybro fast growing broiler chicks were divided in to 5 replications having 20 chicks in each, reared up to 42 days of age to select the suitable broiler strain of better profitability and meat yield traits. A total of 30 representative male and female broiler from each breed slaughtered at 42 days of age to investigate the dressing yield. ISA-Vedette was the highest in respect of body weight (1552.25 m/b) and feed intake (3105 m/b) followed by Hybro (1401.60 and 2764 m/b) and Arbor Acres (1372.48 and 2749 m/b) respectively. Production cost and profitability of ISA-Vedette, Hybro and Arbor Acres were 44.23 and 25.77, 50.01 and 20.00 and 50.41 and 19.49 Tk/kg live bird respectively. The strains were significantly for body weight, blood weight and giblet weight. Despite there was no significant difference among the strains, ISA-Vedette was the superior for dressing yield to the other strains. That ISA-Vedette is the most suitable strain in tropical environment in comparison with the other strains (Hybro and Arbor Acres).
  M.S. Islam , M.A.R. Howlider , M.S. Uddin , F. Kabir and J. Alam
  The aim of this experiment was to compare hatchability traits of four different breeds. A total of 3087 eggs were collected in 3 batches following artificial insemination from individually caged hen. For different breeds of cock; barred plymouth rock, white leghorn, rhode island red and white rock were compared. Fertility was highest in WLH (95.08%), intermediate in WR (92.57%) and lowest and similar in BPR (88.97%) and RIR (88.16%). Breed had little effect on fertile eggs (P>0.05). However, hatchability on total eggs was highest (P<0.05) and similar in WLH (85.99%) and WR (85.46%), lowest in BPR (81.36%) and RIR (80.21%). Breed had no significant (P>0.05) effect on dead in germ and dead in shell. Among 4 genotypes RIR (98.56%) and WLH (97.90%) were the highest (P<0.05) and similar normal chicks hatched, intermediate in BPR (97.73%) and lowest in WR (96.27%). The percentage of abnormal chicks was observed highest in WR (3.73%), intermediate in BPR (2.27%) and lowest in RIR (1.44) and WLH (1.43). Breed had little effect on chick weight at hatching. Percent chick weight was found highest in BPR (67.24%), intermediate in RIR (65.96%) and lowest and similar in WR (65.47%) and WLH (65.17%). Batch had no significant effect among different hatchability traits.
  F. Kabir , M. Shahjalal , S. A. Chowdhury , J. Alam and M. R. Islam
  The effect of protein supplementation was studied on growth and reproductive performance in female goats and sheep under grazing condition. Ten does and six ewes aged about 15 months and weighing on average 13.9 and 14.4 kg respectively were studied for 112 days. Animals were allocated to two feeding regimes [low protein (LP), 168g and high protein (HP), 208g per kg DM] according to live weight. Supplemental feed contained wheat bran, rice polish and soybean meal (LP-43: 43:14 & HP-35: 35:30, 300 g/d). HP diet non significantly (P>0.05) decreased the DM intake in goats. Moreover, significantly (P<0.05) increased live weight gain was observed in goats receiving HP diet. In contrast, sheep receiving the HP diet significantly (P<0.05 to P<0.01) improved DM intake and live weight gain compared with those given LP diet. Average birth weight of kids (0.85 vs. 0.75 kg) and lambs (1.10 vs. 0.83 kg) were higher in both species that received the HP diet than those given the LP diet. Subsequently daily average live weight gain in kids received the HP diet was higher (62.4 vs. 45.4 g/d) than those fed the LP diet up to weaning. These results showed that the effect of supplementing high protein to grazing improved the growth and reproductive performance of goats and sheep.
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