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Articles by M.I. Khan
Total Records ( 3 ) for M.I. Khan
  A.J. Memon , M. Ikhwanuddin , A.D. Talpur , M.I. Khan , M.O. Fariddudin , J. Safiah and A.B. Abol-Munafi
  The objective of the present study was to evaluate the effects of fresh natural foods on spermatophore quality and analysis by the way of sperm weight, count, viability as well as the proximate analysis of offered food and shrimp broodstock. The experiment was carried out with the three following treatments: fresh squid, polychaete and cockle up to 6 weeks. All parameters were measured by the starting of 3rd week (14 days) and at the end of 6th week (45 days) of the experiment. Spermatophore quality was evaluated by spermatophore weight, sperm count, viability and proximate analysis of the treatments and shrimps. Proximate analysis was performed by method described in AOAC in 1995 and spermatophore count and viability was determined by sperm suspension using modified eosin-nigrosin staining method. At the end of treatments the sperm viability and count, shrimp and spermatophore weight were significantly different among treatments and control (p<0.05). Lipids content in squid was 8.52±0.13% and it was significantly higher by 102.8% than cockle (4.2±0.3%). Whereas, polychaete with 6.86±0.07% which was 63.3% higher than cockle. Also, squid fed to shrimp had the highest level lipids (3.3±0.15%), it was significantly higher about 17.85% as compared to the control (2.8±0.15%). The present study concludes that the fresh squid diet is highly preferred over other diets due to its higher influence on increasing the spermatophore quality, therefore use of fresh squid only is recommended for the maturation of male P. merguiensis broodstock.
  M.A. Masood , M.I. Khan and S.Z. Mustafa
  Twenty genotypes of wheat were evaluated at thirty locations for stability parameters of grain yield. Genotype x Environment interaction was significant indicating the influence of environment on grain yield. Mean square due to genotype x environment was highly significant indicating genetic differences among genotypes for linear response to various environments. Stability using parametric approach only three genotypes namely V-97024, V-97112 and IBW-96405 satisfied criterion given by Eberhart and Russell (1966), but only one genotype (V-97024) was declared as a stable cultivator for grain yield considering high mean yield, regression coefficient (b) close to unity and low value of deviation from regression. Cluster analysis was also used to classify similar cultivars but the classification did not classify according to stability parameters. Therefore it is concluded that the conventional stability approach used by Eberhart and Russell and other parameters like ecovalence, deviation from regression and interaction variance should be used for categorizing cultivars.
  F.A. Huda , M.M. Salehin and M.I. Khan
  The study evaluates the production practice and relative profitability of periphyton-based aquaculture both on-station and on-farm situation. The findings of this study are that with relatively lower production cost, this technology yields better than that of existing fish production practice. The net return was estimated 24086 Taka ha 1 on-farm and 33306 Taka ha -1 on-station from periphyton-based aquaculture for three months while it was 9796 Taka ha -1 on farm and 16744 Taka ha -1 on-station without this technology. The study also confirmed that it is an economically viable technology of fish production and the adopters could get better yield and net return from adopting such technology if positive steps undertaken for extension.
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