Results 91 to 100 of about 20,070 (229)

Socioeconomic and policy implications on genetic improvement for sustainable aquaculture productivity in Kenya: A review

open access: yesJournal of the World Aquaculture Society, Volume 57, Issue 4, August 2026.
Abstract Aquaculture in Kenya is rapidly expanding and has become an important subsector for promoting food security, employment creation, and economic diversification, as capture fisheries continue to decline amid rising demand for fish. This review examines the socioeconomic and policy implications of genetic improvement of farmed fish species in ...
Jacob Abwao   +7 more
wiley   +1 more source

Acute toxicity of herbicide (glyphosate) in Clarias gariepinus juveniles

open access: yesToxicology Reports, 2016
The constant discharge of agricultural waste into aquatic environment has led to accumulation of heavy chemicals and other variety of pollutants. Herbicides present in these wastes are washed down, carried by rains and flood to nearby aquatic environment.
Ali Sani, Muhammad Khadija Idris
openaire   +3 more sources

Environmental DNA and Conventional Sampling Capture Complementary Patterns of Ichthyofaunal Diversity in the Selangor River Estuary, Malaysia

open access: yesEnvironmental DNA, Volume 8, Issue 4, July‐August 2026.
Mangrove estuaries are a key ecosystem for coastal fishery resources, especially in developing nations such as Malaysia. Using identical sampling points and duration for both eDNA metabarcoding and conventional sampling, fish community analyses highlight shared and unique taxa, variable taxonomic resolution, and the complementarity of eDNA ...
Leanne Frances Yee   +4 more
wiley   +1 more source

First record of the nonnative African catfish, Clarias gariepinus (Burchell, 1822) (Siluriformes: Clariidae), in the D’Una River Basin in Santa Catarina State, Brazil

open access: yesBiotemas, 2018
Clarias gariepinus is an invasive species worldwide, which has been introduced mainly by aquaculture, and its impact on native fauna is well documented. Three individuals of C.
Rafael Almeida da Silveira   +2 more
doaj   +1 more source

Reproductive plasticity and environmental tolerance of invasive African catfish (Clarias gariepinus) in a tropical Brazilian river

open access: yesJournal of Fish Biology, Volume 109, Issue 1, Page 264-277, July 2026.
Abstract Invasive alien species (IAS) pose a significant threat to biodiversity, particularly when endowed with high ecological and reproductive plasticity. The African catfish, Clarias gariepinus, is one such species, widely recognized for its ability to colonize and establish in diverse tropical ecosystems.
Michelle Torres Dumith   +1 more
wiley   +1 more source

Evaluation of the biochemical responses of catfish (Clarias gariepinus Burchell, 1822) after replacing fish oil with plant-based oils in their diets

open access: yesJournal of Applied Sciences and Environmental Management, 2017
This study evaluated biochemical responses of Clarias gariepinus after replacing fish oil with plantbased oils in their diets. The sources of oils were coconut, olive, crude palm, sunflower and sesame seed.
Mmandu U Effiong, Anthony W Akpan
doaj   +1 more source

Effects of Carbon‐to‐Nitrogen Ratio in Biofloc System on Water Quality, Growth Performance and Haematological Parameters of Nile Tilapia (Oreochromis niloticus)

open access: yesAquaculture, Fish and Fisheries, Volume 6, Issue 3, June 2026.
ABSTRACT A 10‐week indoor culture trial was carried out to assess the impact of various C/N ratios on the water quality, growth performance and haematology of Nile tilapia (Oreochromis niloticus) in a biofloc system. The experiment included four biofloc treatment groups with distinct C/N ratios (12:1, 15:1, 18:1 and 21:1) and a control group with a C/N
Shompa Sarker   +6 more
wiley   +1 more source

Oxytetracycline resistant bacteria in Clarias gariepinus and Clarias batrachus larvae and the environment

open access: yesJournal of Fisheries, 2015
Antibiotics and several other chemicals are used in catfish aquaculture as a remedy for various diseases. Reports on the distribution of different groups of bacteria especially the antibiotic resistant bacteria in catfish nursery system are scanty. The present study quantified motile aeromonads, pseudomonads and antibiotic (oxytetracycline) resistant ...
Goondi Bharathkumar   +1 more
openaire   +2 more sources

BIOMETRY AND COMPOSITION OF FISH SPECIES IN OWENA RESERVOIR, ONDO STATE, NIGERIA [PDF]

open access: yesJournal of Central European Agriculture, 2007
A survey of fish species present in Owena reservoir was conducted between October 2004 and March 2005. Fish samples were taken from the catch of the fishermen operating in the reservoir.
FAPOHUNDA Olawumi Oluwafunmilola   +1 more
doaj  

SEASONAL SCREENING OF THE MYCOTIC INFECTIONS OF CULTURED FRESHWATER FISHES IN KAFR EL-SHEIKH GOVERNORATE

open access: yesSlovenian Veterinary Research, 2019
The present study was carried out to screen the predominant mycotic infections among freshwater fishes (Oreochromis niloticus and Clarias gariepinus) in Kafrelsheikh fish farms; with special focus on the seasonal incidence; as well as, the ...
Nadia Mahfouz   +3 more
doaj   +1 more source

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