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Articles by P. K. Sarker
Total Records ( 3 ) for P. K. Sarker
  P. K. Sarker , B. B. P. Chowdhury , M. S. A. Khan , H. K. Pal and S. Mondal
  A comparative study on monoculture of Puntius gonionotus and mixed culture of Puntius gonionotus and Cyprinus carpio was conducted in 6 ditches of 400 m2 for five months. There were two treatments and each ditch was stocked with a 15000 nos. ha‾1 of fish. A significantly higher (p<0.05) total production (2002.45 kg ha‾1/5 months) was obtained in the mixed culture system (T2) than that of the production (1556.86 kg ha‾1/5 months) of monoculture system (T1). The net benefit of monoculture and mixed culture system was Tk. 49,943.00 and Tk. 56,514.00 respectively.
  P. K. Sarker , H. K. Pal , M. M. Rahman and M. M. Rahman
  Investigations on the fecundity and gonado-somatic index (GSI) of Mystus gulio were carried out from March 1999 to December 2000. Fecundity was determined at different length, weight and ovary ranges of different individual fishes. At different length ranges from 10-20cm of fish showed different fecundity and significantly highest mean fecundity was found 21589 (19394-23481) from 20-22 cm length ranges of fish. Whereas significantly lowest mean fecundity was 11887 (11436-12712) from 10-12cm length ranges of fish. Fecundity was also determined from a wide weight ranges (15-110g) of fishes. Study revealed that significantly highest mean fecundity was found 22546 (19741-23009) from 90-110g weight ranges of fishes. Whereas lowest mean fecundity was 10982 (10831-12481) from 15-20g ranges of fish. Ovary weight ranges from 16-18g showed significantly highest mean fecundity 21378 (19611-22825). This study stated that the fecundity of fish increased with the increase in size, weight and gonad weight as well. The highest GSI values were found in July. Furthermore, GSI showed that M. gulio has a wide spawning season.
  P. K. Sarker , S. Rahman , M. M. Rahman , S. C. Chakraborty and M. N. Islam
  A laboratory trial was conducted on the protein digestibility of rohu (Labeo rohita) fingerlings in a static indoor fish rearing water system of glass made aquaria (90 cm x 30 cm x 30 cm) for a period of 75 days. Each treatment had two replicates containing 12 fingerlings. Five experimental diets A, B, C, D and E were prepared from different combination of five major sources of protein viz., fish meal, protein concentrate, meat & bone meal, mix of animal protein sources and mix of plant protein sources each containing 33% dietary protein level. The apparent protein digestibility (APD) values of the above mentioned diets were 81.70, 78.66, 75.53, 72.53 and 69.96%.
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