Results 41 to 50 of about 3,083 (161)
Mystus cavasius (locally known as Gulsha) is a commercially important catfish in Bangladesh, typically transported live in oxygenated polythene bags without anesthetics, often resulting in severe stress, injuries, and high mortality. This study evaluated the efficacy of clove seed aqueous extract (CAE) as a natural anesthetic at different ...
Nafisa Khatun +4 more
wiley +1 more source
O objetivo principal deste trabalho foi estudar a parasitofauna e a relação hospedeiro- parasito em tambaqui Colossoma macropomum cultivados em tanques-rede no Rio Matapi, município de Santana, estado do Amapá, região da Amazônia oriental, Brasil.
Evandro Freitas Santos +5 more
doaj +1 more source
Context Organophosphates and chitin synthesis inhibitor pesticides pose a significant indirect threat to fish populations, necessitating effective remedial measures. Objective Supplementation with vitamin C (Vit C) in fish feed as a counteracting strategy to mitigate pesticides effect was explored in silver carp (Hypophthalmichthys molitrix ...
Sumaira Hassan +6 more
wiley +1 more source
The infestation rate in Colossoma macropomum, hybrid tambacu (C. macropomum x Piaractus mesopotamicus) and hybrid tambatinga (C. macropomum x Piaractus brachypomum) with Perulernaea gamitanae Thatcher and Paredes, 1985 from two fish farms in Amapá State,
M. Tavares-Dias +5 more
doaj +1 more source
Suplementação com prebiótico, probiótico e simbiótico para juvenis de tambaqui a duas densidades de estocagem [PDF]
Resumo: O objetivo deste trabalho foi avaliar o efeito da suplementação de rações, com prebiótico (mananoligossacarídeo), probiótico (Bacillus subtilis) e simbiótico, em juvenis de tambaqui (Colossoma macropomum), em duas densidades de estocagem, quanto ...
Rafael Vieira de Azevedo +5 more
doaj +1 more source
Although medicinal plants can be used to reduce stress caused by transportation and handling and to prevent and treat certain diseases in fish, evaluating their safety for fish is essential before their use. This study aimed to evaluate the pharmacological effects and determine the safe dose of the Tanacetum parthenium (known as feverfew) extract (TPE)
Nezam Armand +4 more
wiley +1 more source
ABSTRACT Essential oils are composed of secondary metabolites derived from medicinal plants and have bioactive properties, such as antiparasitic activity. This study investigated the in vitro anti‐dactylogyridean efficacy of the Zingiber officinale, Curcuma longa and Cymbopogon nardus essential oils, as well as the acute toxicity for Colossoma ...
João G. R. Luz +6 more
wiley +1 more source
The frequencies of micronuclei (MN) and morphological nuclear abnormalities (NA) in erythrocytes in the peripheral blood of tambaqui (Colossoma macropomum), treated with 2 mg.L-1 methylmercury (MeHg), were analyzed.
Carlos Alberto Machado da Rocha +4 more
doaj +1 more source
Global importance of Amazonian freshwaters
Amazonian freshwaters have large influences on regional and global climate, harbor remarkable and unique species, and are vital to human society. Nevertheless, as compared to their terrestrial counterparts in the Amazon, these freshwaters have received less attention from the international conservation community.
Clinton N Jenkins +12 more
wiley +1 more source
Recirculating system using biological aerated filters on tambaqui fingerling farming [PDF]
: The objective of this work was to evaluate a recirculating aquaculture system using biological aerated filters in tanks for tambaqui (Colossoma macropomum) fingerlings farming, with two initial stocking densities (1.4 and 2.5 kg m-3).
Jô de Farias Lima +5 more
doaj +1 more source

