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Articles by H. Khatun
Total Records ( 3 ) for H. Khatun
  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.P. Mostari , M.S. Hasanat , S.A. Azmal , K.N. Monira and H. Khatun
  The data of the present study were collected from Bangladesh Milk Producer`s Co-operative Union Limited (BMPCUL) at Baghabarighat, Sirajgonj to investigate the bull performance among various seasons through semen quality and 30-day non return rate. To evaluate the seasonal variation on semen quality and bull fertility the experimental period was divided into three seasons; a) Summer season (March to June), b) Rainy season (July to October) and c) Winter season (November to February). Data on 245 ejaculates and 12,750 services of almost same aged 5 Sahiwal bulls (B1, B2, B3, B4 and B5) over a period of 5 years were collected from Animal Breeding section and Cattle Feed Unit of BMPCUL. The performance of five bulls was compared in three seasons i.e. summer, rainy and winter and summer was observed to be the best for most parameters studied. Seasons had significant (p<0.05) effect on semen volume, initial and post- thawing sperm motility and pH of semen but not on sperm motility of diluted semen and fertility. The significant (p<0.01) bull x season interaction was noticed in semen volume, sperm motility at initial and post-thawing stages, pH and fertility but not on sperm motility of diluted semen.
  M. E. Hossain , S.D. Chowdhury , S.C. Das , H. Khatun and L. Asad
  Hatching performance of eggs of two broiler parent stocks was investigated in three different seasons of the year under Bangladesh conditions. Two strains of broiler breeder flocks were reared separately on floor from 22 to 48 weeks of age and eggs laid by these birds during spring, summer and monsoon were considered for this study. Each season was treated as treatment with 4 sets, each of 50 eggs as replicates within a treatment. One thousand two hundred hatching eggs (600 from Starbro and 600 from ISA MPK) were incubated in a James-way forced-draft electric incubator and the required records were kept during incubation and following taking out of hatches. The results of the experiment showed that hatching performance of eggs from Starbro was significantly better in spring than those observed during summer and monsoon. The hatchability results from ISA MPK also showed trends similar to Starbro but data did not differ significantly among seasons of the year. It may be concluded from the study that it is better to consider hatching of large number of eggs during spring if the broiler parents are reared in open-sided house.
 
 
 
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