Results 11 to 20 of about 213,497 (266)

The recent invasion of Rutilus rutilus (L.) (Pisces: Cyprinidae) in a large South- Alpine lake: Lago Maggiore [PDF]

open access: yesJournal of Limnology, 2008
Very recently, a common cyprinid fish species at northern latitude, the roach (Rutilus rutilus L.) has been observed in the large south-alpine Lago Maggiore for the first time. The colonization of the lake has the characteristics of an invasion. In order
Niels JEPSEN, Pietro VOLTA
doaj   +4 more sources

Evaluation of biological characteristics such as age, sexuality and growth parameters of fish roach (Rutilus rutilus caspicus) in the southeastern coasts of the Caspian Sea (Sari and Turkmen of port) [PDF]

open access: yes‬‭Majallah-i ̒Ilmī-i Shīlāt-i Īrān, 2016
Purpose of this study was to evaluate the biological parameters of growth and some roach (Rutilus rutilus caspicus) on the southern coast of the Caspian Sea.
H. Taghavi Jlodar email ; A. Amri Sahebi
doaj   +2 more sources

Endocrine disruption in juvenile roach from English rivers: A preliminary study [PDF]

open access: yes, 2004
Juvenile roach Rutilus rutilus from seven rivers of varying water quality were examined for evidence of endocrine disruption. The majority of roach from five of these rivers had femalelike reproductive ducts.
Beresford, NA   +3 more
core   +1 more source

Genomics clarifies taxonomic boundaries in a difficult species complex. [PDF]

open access: yes, 2017
Efforts to taxonomically delineate species are often confounded with conflicting information and subjective interpretation. Advances in genomic methods have resulted in a new approach to taxonomic identification that stands to greatly reduce much of this
Aguilar, Andres   +4 more
core   +2 more sources

RESULTS OF EXPERIMENTAL INVASION OF LABORATORY RATS BY LARVAS OF THE NEMATODA EUSTRONGYLIDES EXICISUS (NEMATODA: DIOCTOPHYMATIDAE) SEPARATED FROM ROACH (RUTILUS RUTILUS, 1758)

open access: yesUkrainian Journal of Veterinary Sciences, 2020
The results of experimental invasion of laboratory rats by larvae of the nematode Eustrongylides excisus are presented in the article. The invasions were carried out by nematode larvae, which were selected from a ram caught in the Dnieper-Buhsky estuary.
S. L. Honcharov
doaj   +1 more source

HO/RT1culture: Cultivating police use of Home Office Road Traffic 1 form to identify active serious offenders [PDF]

open access: yes, 2007
Self-selection policing is the term given to the identification of serious active offenders by dint of their commission of more minor infractions. The paper explores the feasibility of using the nonproduction of documentation as required after the issue ...
Roach, Jason
core   +1 more source

Detection of lethal concentration (LC50) of diazinon in Silver Carp (Hypophthalmicthys molitrix) and Roach (Rutilus rutilus) [PDF]

open access: yesبوم‌شناسی آبزیان, 2016
Aim of this study was to evaluate the effects of diazinon toxicity (LC50) on silver carp and roach fry for measuring resistnce of these fishes.
Seyyed Aliakbar Hedayati   +2 more
doaj  

Bacterial Microflora of Roach (Rutilus rutilus) Caught in the Driksna River in Latvia

open access: yesScientific Papers Animal Science and Biotechnologies, 2023
Fish and fish products are a food group with a high nutritional value, however, the fish may contains a variety of microorganisms, which may cause foodborne infection outbreaks in humans after consumption. The aim of the present study was to identify the
Alīna Klūga   +3 more
doaj  

Distribution and dynamic state of sterols and steroids in the tissues of an insect, the roach Eurycotis floridana

open access: yesJournal of Lipid Research, 1966
The total concentrations of sterols in the tissues of the roach, Eurycotis floridana, reared under aseptic conditions and on semisynthetic diets, are similar to, but somewhat lower than, those of tissues of vertebrates.Total concentrations of tissue ...
N.L. Lasser, A.M. Edwards, R.B. Clayton
doaj   +1 more source

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