Results 11 to 20 of about 27,661 (173)

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

Fish diversity and composition of Tugwi Mukosi Dam, Zimbabwe's largest inland reservoir post impoundment

open access: yesAquaculture, Fish and Fisheries, 2021
The fish diversity and composition of Tugwi Mukosi Dam, Zimbabwe's largest inland reservoir was investigated in 2019 (post impoundment phase) after the reservoir filled in 2017.
Terence Magqina   +2 more
doaj   +1 more source

Substitusi Silase Secara Kimiawi Limbah Padat Surimi Ikan Swanggi (Priacanthus macracanthus) Pada Tepung Ikan Terhadap Retensi Protein Dan Retensi Lemak Ikan Nila (Oreochromis niloticus)
[Silage substitution Chemically Solid Waste Surimi Fish Swanggi (Priacanthus macracanthus) on to Retention Protein Fish Meal and Retention Fat Tilapia (Oreochromis niloticus)]

open access: yesJurnal Ilmiah Perikanan dan Kelautan, 2016
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

The growth performance and genotoxicity effect of dietary Aloe vera on Oreochromis niloticus juveniles

open access: yesAceh Journal of Animal Science, 2020
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

UJI TOKSISITAS LETAL CR6+ TERHADAP IKAN NILA (OREOCHROMIS NILOTICUS)

open access: yesJurnal Ilmu Pertanian Indonesia, 2016
Chromium is a risk pollutant through their carcinogenic character non degradable by organisms and accumulate into the environment. The aims to find LC50-96h of chromium on test organism.
Nanik Mustikaning Tyas   +2 more
doaj   +1 more source

EFFECT OF SOME MAJOR ELEMENTS ON GROWTH PERFORMANCE AND BLOOD PARAMETERS IN FISH [PDF]

open access: yesArab Universities Journal of Agricultural Sciences, 2018
he present experiment was conducted to determine the optimal source and level of phosphorus supplementation in commercial feeds with the highest growth rate and the lowest releasing in environmental and protect water quality of Nile Juveniles tilapia ...
Dena Abdel-Bary   +3 more
doaj   +1 more source

A Comparative Histological Study of Skin in Clarias gariepinus and Oreochromis niloticus

open access: yesMedia Kedokteran Hewan, 2021
This study aimed to evaluate the comparative of histological figures in Clarias gariepinus and Oreochromis niloticus skin. A total of 18 samples were observed and collected the skin preservation.
Shafia Khairani   +3 more
doaj   +1 more source

Escapes from aquaculture facilities in freshwater ecosystems; conservation concerns for Oreochromis tanganicae, an endemic species of Lake Tanganyika

open access: yesEgyptian Journal of Aquatic Research, 2023
Introduction of farmed non-native fish strains into ecosystems outside their native range has raised global concerns. We investigate the presence of Oreochromis niloticus in the southernmost part of Lake Tanganyika.
Ian Bbole   +3 more
doaj  

Broad Niche Overlap between Invasive Nile Tilapia Oreochromis niloticus and Indigenous Congenerics in Southern Africa: Should We be Concerned?

open access: yesEntropy, 2015
This study developed niche models for the native ranges of Oreochromis andersonii, O. mortimeri, and O. mossambicus, and assessed how much of their range is climatically suitable for the establishment of O.
Tsungai A. Zengeya   +2 more
doaj   +1 more source

Digestive enzymes activities in Oreochromis niloticus fed diet supplemented with recombinant growth hormone

open access: yesJurnal Akuakultur Indonesia, 2016
The specific activity of the digestive enzymes, namely: pepsin, amylase, lipase, trypsin, and chymotrypsin were studied in Nile tilapia Oreochromis niloticus fed diet supplemented with recombinant Ephinephelus lanceolatus growth hormone (rElGH).
Apriana Vinasyiam   +2 more
doaj   +1 more source

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