Results 21 to 30 of about 2,561 (172)
Effects of cadmium and zinc on Procambarus clarkii: Simulation of the Aznalcóllar mining spill
Female red swamp crayfish, Procambarus clarkii, were exposed for 21 days in the laboratory to different dissolved concentrations of zinc (1000 µg L–1 and 3000 µg L–1) and cadmium (10 µg L–1 and 30 µg L–1), determined in the Guadiamar River after the ...
ML Martín-Díaz +4 more
doaj +1 more source
Viscerosomatic, hepatosomatic indices and condition factor of Barbonymus and Osteochilus genus in the freshwater river of North Aceh, Indonesia [PDF]
North Aceh is one of the regencies in the Aceh province that has extensive freshwater fisheries. Commonly freshwater species found in this area are Barbonymus and Osteochilus genus.
Putra Abdul Samad Agus +2 more
doaj +1 more source
Pallas’ spadefoot Pelobates vespertinus (Pelobatidae, Amphibia) tolerates extreme hypoxia
Amphibians are believed to be sensitive to hypoxia, and in terms of this ability, they are between mammals with poor toleranсе to hypoxia and some turtles and fish with good tolerance to variable oxygen availability.
N. A. Bulakhova +2 more
doaj +1 more source
Understanding the annual dynamic of gametes in crayfish is useful for successful management of crayfish population. The annual variations in spermatozoa content of vas deferens, gonado-somatic index (GSI), hepatosomatic index (HSI), vas deferens index ...
Ardavan Farhadi +1 more
doaj +1 more source
The tropical anguillid eel, Anguilla bicolor McClelland, experiences significant growth up to the adult size in both freshwater and estuarine ecosystems, encountering salinity gradients that may impact their reproduction.
Farida Nur Rachmawati +2 more
doaj +1 more source
Samples of Metapenaeus affinis were collected from the Iraqi coastal waters between January 1 and December 1, 2021, to investigate the development of sexual maturity. Seasonal variations in gonadal function were observed in males, with peak rates (0.052) recorded in summer and the lowest rates (0.024) in winter.
Intisar Jabbar +4 more
openaire +2 more sources
GROWTH OF Geophagus brasiliensis REARED AT DIFFERENT TEMPERATURES AND FEEDING REGIMES
The aim of this study was to evaluate the growth performance of Geophagus brasiliensis rearedb under distinct temperatures (24.3 ± 0.9, 28.1 ± 1.0, and 31.7 ± 0.8°C) and feeding regimes (apparent satiety and a supply of 4% of the total biomass).
Leone de Souza MEDINA +3 more
doaj +1 more source
Intake and body weight gain of rats fed different types of unused and used frying oils
Olive oil, sunflower oil and palm olein, unused or used in repeated potato frying until the oils reached the limit of 25% of polar compounds (PC) were used.
A. M. Pérez-Granados +2 more
doaj +1 more source
Salinity effect on fry development of hybrid Malaysian mahseer (Tor tambroides ♂ × Barbonymus gonionotus ♀) [PDF]
The purpose of this study was to analyse the influence of water salinity on fry development of hybrid Malaysian mahseer under controlled conditions.
Siti Nur Ain +4 more
doaj +1 more source
The length-weight relationship, condition factor, fecundity, gonadosomatic and hepatosomatic indices of Parachanna obscura from the Anambra River were determined between December 2015 and June 2016. Eighty-three live samples of P.
Osho Friday Elijah, Usman Ridwan Abiola
doaj +1 more source

