In this issue of Blood, Roach and colleagues show that individuals with prior superficial venous thrombosis are at increased risk of developing venous thromboembolism when exposed to acquired clinical risk factors.

Copper (Cu) and mercury (Hg) enter aquatic ecosystems from different sources threatening health of aquatic organisms such as fish. As such, in this investigation, determinaing, Cu and Hg toxic concentration in Caspian roach (Rutilus rutilus caspicus), was undertaken. Acute toxicity of Cu and Hg were determined in fish specimen under semi-static condition. Caspian roach fry (~ 1 g) were exp...

The present study has been conducted on Caspian Roach (Rutilus rutilus) so that the impact of different concentrations lead on blood hematological, biochemical, and immunological indicators could be investigated. The roach (Rutilus rutilus), used in this study, was 3.3±0.3 g heavy and 4±0.80 cm long in average. The fish were exposed to a low concentration of 10% LC50 and high concentration of 5...

3 4 Robin Matthews, Nigel Gilbert, Alan Roach, Gary Polhill, & Nick Gotts 5 6 7 8 9 10 R B Matthews (Corresponding author) • J G Polhill • N M Gotts 11 Integrated Land Use Systems Group 12 Macaulay Institute 13 Craigiebuckler 14 Aberdeen AB15 8QH 15 United Kingdom. 16 Email: [email protected] 17 Tel: +44 (0) 1224 498261 18 Fax: +44 (0) 1224 311556 19 20 21 N G Gilbert • A Roach 22 Depar...

The Caspian frisian roach (Rutilus frisii kutum), economically a very important fish species in Iran, is propagated in fishponds, reared into the rivers in fingerling size and then harvested from the Caspian Sea in adult stage. We found six monogenean parasites on the Caspian frisian roach including five Dactylogyrus spp. on fingerlings cultured in fishponds and rivers and two Dactylogyrus spp....

The ovary of the roach Periplaneta americana has been studied by techniques of light and electron microscopy. Each ovariole (panoistic type) contains a linear array of oocytes in varying stages of development. Newly formed oocytes become encased by a layer of follicle cells and begin pinocytosis. All subsequent growth stages of the oocytes are dependent, in part, on this phenomenon. All of the ...

Effect of temperature on activities of proteinases in intestinal chyme and mucosa was studied in three fish species (pike perch, zope, roach) belonging to different ecological groups by their nutrition type. There was revealed a significant difference of dependence of enzyme activities in chyme on temperature in the benthophage, roach (a higher level of relative activity in the range of lower t...

the present study has been conducted on caspian roach (rutilus rutilus) so that the impact of different concentrations lead on blood hematological, biochemical, and immunological indicators could be investigated. the roach (rutilus rutilus), used in this study, was 3.3±0.3 g heavy and 4±0.80 cm long in average. the fish were exposed to a low concentration of 10% lc50 and high concentration of 5...

widespread use of nanosilver can be led the contamination of aquatic environment and impact on living organisms such as fishes. we investigated histopathological changes in the gills tissue of caspian roach fingerlings after two weeks exposure to sublethal concentrations of nanosilver. following one and two weeks exposure, necrosis, shortening of secondary lamellae, edema, destruction of epithe...