Studies of the population dynamics of marine fi shes depend on the ability to distinguish separate “stocks” that may make up the total population of a single fi sh species. Although much of fi sheries management assumes that a single population is being monitored, measures of growth, natural mortality, recruitment, and reproduction are often made for the total population because data on movemen...

Thirty four arsenic resistant bacterial strains were isolated from the soil samples of Khulna Shipyard. They by growing them on nutrient broth medium containing 5 mgl-1 arsenic. From them, five finally selected, and studied their morphological, biochemical ecological characters in details. identified as Bacillus lichenifomis, polymyxa, Listeria murrayi, Moraxella urethralis Planococcus citreus....

Phytase and phytase gene from Aspergillus ficuum (A. ficuum) were used in this study. The results showed that phytase activity reached the peak of 0.17 U/g after 4 d incubation in solid medium for A. ficuum; the optimum pH and temperature of phytase were 2.5 and 50 o C, respectively. A 1.4-kb DNA containing the coding region of phytase gene was isolated and inserted into the expression vectors ...

The influence of methoprene on the changes in trehalose,glycogen content and economic characters of silkworm were studied in CSR2 x CSR4 (Bivoltine x Bivoltine), and PM x CSR2 (Multivoltine x Bivoltine) hybrids. Application of methoprene caused significant (P< 0.05) increase in trehalose and glycogen contents, both in haemolymph and fat body tissues. The increase in trehalose was about 48% and ...

Aim: To isolate and identify Shigella species from faecal samples based on cultural and biochemical tests. Material and Methods: For the isolation of Shigella spp., faecal samples from cattle, poultry and humans were collected from various locations of Pantnagar. Fecal specimens were processed according to standard protocols. Results: Out of 511 fecal samples (311 human, 100 cattle and 100 poul...

Sugarcane genotypes such as tolerant (Co 99004), and sensitive (Co 97010) were subjected to NaCl (170 and 250mM) and Poly ethylene glycol (-0.8Mpa and -1.7Mpa) treatment and evaluated through biochemical and molecular analysis to assess the commonness between salinity and drought stress. Among the biochemical characters analyzed total chlorophyll decreased and proline, lipid peroxidase, xanthop...