Results 41 to 50 of about 126,718 (330)

Toxicity of mercury (Hg) on survival and growth rate, hemato- and histopathological parameters ofOreochromis niloticus

open access: yesJurnal Akuakultur Indonesia, 2013
Heavy metals are serious pollutants of the aquatic environment because of their environmental persistence and ability to be accumulated by aquatic organisms. Oreochromis niloticus exposed to 0, 0.16, 0.5, and 1.0 ppm Hg for 30 days.
Kukuh Nirmala   +2 more
doaj   +1 more source

Distribution of Oreochromis niloticus (L.) in the Ugandan waters of Lake Victoria [PDF]

open access: yes, 1999
The Lake Victoria fish fauna was dominated by cichlids before the establishment of the exotic species Oreochromis niloticus (L.) and Latus niloticus (L.).
Akumu, J.K.O.
core  

Oreochromis niloticus

open access: yes
Oreochromis niloticus (Linnaeus); Nile tilapia (Figure 2K) Remarks: Oreochromis niloticus, synonymized with Perca nilotica (Linnaeus) and Tilapia nilotica (Linnaeus), was a common catch across all sampling locations during the study. This species is widely distributed in freshwater habitats across West and Central Africa, with additional occurrences in
Oladipo, Segun Olayinka   +6 more
  +5 more sources

Citizens Turning Into Scientists: A Calling to Boost the Knowledge of the Public to Address the Environmental Crisis in the Brazilian Semiarid 从公众到科学家:助力提升公众知识以应对巴西半干旱地区环境危机

open access: yesIntegrative Conservation, EarlyView.
Desertification is increasing in the Brazilian Semiarid, leading to loss of species and ecosystem services, while precise data on biodiversity distribution and trends are lacking. Public engagement in scientific projects can improve ecosystem protection.
Lucas Rodriguez Forti   +3 more
wiley   +1 more source

Effect of hybridisation on fecundity of Oreochromis karongae (Trewavas 1941)

open access: yesEgyptian Journal of Aquatic Research, 2017
Effect of hybridisation of female Oreochromis karongae and male O. shiranus on fecundity of O. karongae, was investigated at Bunda, Lilongwe, Malawi. Number of eggs, weight (mg) and diameter of individual egg (mm) and relative fecundity were assessed ...
Elysee Nzohabonayo   +2 more
doaj   +1 more source

Estimation of growth and financial analysis through the application of Ipil ipil (Leucaena leucocephala) leaf meal as supplements to soybean and fish meal in the diet of juvenile monosex tilapia (Oreochromis niloticus) [PDF]

open access: yes, 2009
Among plant protein ingredients,ipil ipil (Leucaena leucocephala) leafmeal (ILLM) is considered the most nutritive plant protein source after soybean meal in aquatic feeds.
Barua, Prabal   +2 more
core  

Cold tolerance of selective breeding of Oreochromis niloticus and oreochromis aureus [PDF]

open access: yesEgyptian Journal for Aquaculture, 2011
Selected fish for higher growth rate from both O. niloticus and O. aureus were collected and subjected to challenge test for cold. In addition to, fish of both species collected from production ponds of Abbassa were used to compare the cold tolerance of fish. Fry of   similar age were grown under identical conditions. O.
Mahmoud Rezk, Ebtehag Kamel
openaire   +1 more source

A Multimodal Approach to Identify Metallothionein Metal Inducers in Nile Tilapia: Insights From Molecular Docking and Hepatocyte Exposure

open access: yesJournal of Applied Toxicology, EarlyView.
ABSTRACT Many human activities contribute to the pollution of aquatic ecosystems, primarily through agricultural, industrial, mining, and domestic discharges into water bodies. Fish, being highly sensitive to environmental changes, serve as valuable models for monitoring the health of these ecosystems.
Jessica Zablocki da Luz   +9 more
wiley   +1 more source

Viabilidad y crecimiento de poblaciones diploides y triploides de tilapia nilotica, oreochromis niloticus, línea Ghana

open access: yesActa Biológica Colombiana, 1995
The principal aim of this research was to produce triploid offspring of O. niloticus, applying warm thermic shocks (41A-42 oC) to eggs during 3,5-4 min., 3,5 mino after fertilization, or cold shocks (10,8-11,3 oC) to oocytes during one hour, 5 min after ...
Hector A. Martínez D.   +2 more
doaj  

Impact of Lernaea cyprinacea Linnaeus 1758 (Crustacea : Copepoda) almost a decade after an initial parasitic outbreak in fish of Malilangwe Reservoir, Zimbabwe

open access: yesKnowledge and Management of Aquatic Ecosystems, 2012
An assessment was carried out on the impact of Lernaea cyprinacea on fish populations ten years after its first outbreak in the Malilangwe reservoir, and Lernaea cyprinacea is currently showing no sign of declining in the ...
Dalu T.   +3 more
doaj   +1 more source

Home - About - Disclaimer - Privacy