Results 61 to 70 of about 1,652 (185)

Fish, Corumbataí and Jacaré-Pepira river basins, São Paulo State, Brazil [PDF]

open access: yes, 2006
Fish were studied in two river basins (Corumbataí and Jacaré-Pepira) subjected to strong human pressure, in the interior of the State of São Paulo, southeastern Brazil.
Braga, F. M. S., Gomiero, L. M.
core  

Elevated water temperature in combination with an increase in daylength stimulate a synchronized onset of spermatogenesis in male Atlantic salmon (Salmo salar, L.) postsmolts

open access: yesJournal of the World Aquaculture Society, Volume 55, Issue 5, October 2024.
Abstract Male postsmolt maturation (“jacking”) is undesired in Atlantic salmon aquaculture due to economic and welfare impacts. Unfortunately, incidence of jacking has increased linked to intensive rearing conditions. This study subjected 1000 salmon (52.1 ± 5.2 g) to one of two temperatures (15, 12.5°C) and one of two photoperiods (constant light‐LL ...
Enrique Pino‐Martinez   +5 more
wiley   +1 more source

Oil blends with sesame oil in fish diets: oxidative stress status and fatty acid profiles of lambari [PDF]

open access: yes, 2019
The objective of this research was to evaluate the growth performance, oxidative stress, and fatty acid profiles of lambari (Astyanax altiparanae) fed diets containing different lipid sources: soybean oil, linseed oil, and freshwater fish residue oil ...
Antonio Bonelli   +5 more
core   +3 more sources

A Brief Review on Aflatoxicosis in Aquaculture With a Focus on Fish

open access: yesAquaculture Nutrition, Volume 2024, Issue 1, 2024.
Feed quality is among the most determinative criteria for aquaculture success. Along with feed ingredient quality and its production process, feed storage conditions would also affect feed quality, especially in terms of adventitious toxins. Mycotoxins are frequent food and feed contaminants and are considered important health threats to both human and
Mina Ziarati   +4 more
wiley   +1 more source

Avaliação da dieta de Astyanax altiparanae Garutti & Britski, 2000 (Osteichthyes, Tetragonopterinae) antes e após a formação do reservatório de Salto Caxias, Estado do Paraná, Brasil

open access: yesActa Scientiarum: Biological Sciences, 2008
Esse estudo objetivou avaliar a dieta de Astyanax altiparanae (Osteichthyes, Tetragonopterinae) no ambiente natural e após a formação do reservatório de Salto Caxias, rio Iguaçu, Estado do Paraná, Brasil, a fim de investigar a adaptabilidade trófica da ...
Fernanda Aparecida da Silva Cassemiro   +2 more
doaj   +1 more source

Dietary lysine requirement of adult lambari ( Astyanax altiparanae ) (Garutti and Britski, 2000) [PDF]

open access: yesRevista Brasileira de Zootecnia, 2018
ABSTRACT A 90-day feeding trial was conducted to estimate the dietary lysine requirement of adult lambari ( Astyanax altiparanae ), based on growth performance, whole-body composition, muscle development, and aspartate aminotransferase (AST) and alanine aminotransferase (ALT) activities.
Daniel Abreu Vasconcelos Campelo   +4 more
openaire   +3 more sources

Crescimento, recrutamento e mortalidade de Astyanax altiparanae Garutti & Britski, 2000 e A. schubarti, Britski, 1964 (Pisces, Characidae) na planície de inundação do alto rio Paraná, Brasil- DOI: 10.4025/actascibiolsci.v26i4.1524

open access: yesActa Scientiarum: Biological Sciences, 2008
Dados dos caracídeos ,em>Astyanax altiparanae e A. schubarti, coletados entre março de 1993 e fevereiro de 1994, foram utilizados nos estudos do crescimento, recrutamento e mortalidade. Os resultados para A.
Maria de Los Angeles Perez Lizama   +1 more
doaj   +1 more source

Physical mapping of the 18S and 5S ribosomal genes in nine Characidae species (Teleostei, Characiformes)

open access: yesGenetics and Molecular Biology, 2008
Characidae is one of the largest fish families of the Neotropical region, and presenting a pronounced morphological variability, certainly does not constitute a monophyletic group.
Wellington Adriano Moreira Peres   +2 more
doaj   +1 more source

Biologia reprodutiva e indução de micronúcleos em Astyanax spp : expostos às aguas do Rio Jacutinga, Sul do Brasil [PDF]

open access: yes, 2017
O estudo teve como objetivo avaliar a biologia reprodutiva e o percentual de micronúcleos (MN) em eritrócitos de Astyanax spp. Foram comparadas duas porções do Rio Jacutinga-SC, uma área alagada pela Usina Hidrelétrica de Itá-SC
Armiliato, Neide   +2 more
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Hubungan Panjang-bobot Dan Faktor Kondisi Ikan Rono, Adrianichthys Oophorus Kottelat, 1990 (Beloniformes: Adrianichthyidae) Di Danau Poso Sulawesi Tengah [Length-weight Relationship and Condition Factor of Eggcarrying Buntinge, Adrianichthys Oophorus Kottelat,1990 (Beloniformes: Adrianichthyidae) in Danau Poso, Sulawesi Tengah] [PDF]

open access: yes, 2014
Penelitian ini bertujuan mengkaji hubungan panjang-bobot dan faktor kondisi ikan rono (A. oophorus) di Danau Poso. Pengambilan contoh ikan dilakukan pada bulan Agustus 2012 sampai Juli 2013 di empat stasiun pengamatan.
Batu, D. T. (D)   +3 more
core  

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