Results 41 to 50 of about 76,615 (247)
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
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]
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
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Panama Canal expansion and shifts in fishing practices: A social‐ecological network approach
Abstract Species introductions have spiked over the past two centuries due to globalization. These introductions impact ecosystems, but may also have long‐term implications for human communities. In one of the world's hubs for global shipping, the Panama Canal, a recent canal expansion has coincided with an increase in marine fishes entering the ...
Michelle Hübel +10 more
wiley +1 more source
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
Effect of hybridisation on fecundity of Oreochromis karongae (Trewavas 1941)
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
Growth and all activities of fish depend significantly on the food they consume. However, with the rising price of conventional feedstuffs, there is a need to investigate less expensive and readily available plant source as an additive. This research is
Simeon Oluwatoyin Ayoola +1 more
doaj +1 more source
ABSTRACT Perfluorooctane sulfonate (PFOS), a perfluoroalkyl substance (PFAS), is characterized by a long, fluorinated carbon chain which makes it ideal for oil‐ and water‐repellent products but detrimental for the environment, where it persists and accumulates in organisms.
Anna L. Thornton +5 more
wiley +1 more source
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
Abstrak Ikan nila (Oreochromis niloticus) merupakan suatu komoditas perikanan air tawar yang bernilai ekonomis. Permasalahan yang saat ini dihadapi dalam budidaya ikan nila adalah harga bahan pakan terutama tepung ikan semakin mahal.
Sri Subekti +2 more
doaj +1 more source
Predictions of fish yields and the status of the Kainji Lake fishery, 1998 [PDF]
Length frequency data was collected for the 6 main species from the Kainji Lake fishery for up to 16 months. Growth parameters were estimated and used for virtual - population and length based cohort analysis.
Abiodun, J., du-Feu, T.A.
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