Results 51 to 60 of about 7,429 (225)
Effect of timing of hormonal induction on reproductive activity in lambari (Astyanax bimaculatus)
Theriogenology, 2012 The objective was to evaluate the influence of the timing of hormonal induction, using gonadorelin or common carp pituitary extract (CPE), on the reproductive activity of female Astyanax bimaculatus. Fish (N = 44) were weighed, measured, and acclimatized to experimental conditions with a photoperiod of 12 h:12 h light:dark (L:D) for 10 days.
Felizardo, V. O. +5 more
openaire +2 more sources
Neotropical Ichthyology, 2022 This study aimed to identify species of Astyanax bimaculatus group from four Itaipu Reservoir tributaries (Paraná River Basin) by cytogenetics and molecular markers (COI) to investigate the possible occurrence of cryptic diversity in part of this basin ...
Sandro Tonello +9 more
doaj +1 more source
Morfologia e desenvolvimento do núcleo vitelínico do lambari Astyanax bimaculatus (Linnaeus, 1758) (Osteichthyes, Characidae) [PDF]
Revista Brasileira de Zoologia, 1990 A morphological study of the yolk nucleus in previtellogenic oocytes from A. bimacularus has been carried out. Six phases of development were described from its formation closed to the oocyte nucleus to its dispersion in the periferic ooplasm. Histochemical techniques indicate proteins, lipids and RNA in the yolk nucleus of A.
Cangussu-Mariani, Silvia Dantas +2 more
openaire +3 more sources
Insect meals in fish nutrition
Reviews in Aquaculture, Volume 11, Issue 4, Page 1080-1103, November 2019., 2019 Abstract Different studies have shown that insect meals can partially or completely replace the fish and soya bean meals that are commonly used in aquaculture. However, information is lacking on the amino acid and fatty acid contents and digestibility of different insect meals. Moreover, we evaluated different proportions of insect diets and determined
Silvia Nogales‐Mérida +7 more
wiley +1 more source
Papéis Avulsos de Zoologia, 2003 A. rupununi Fowler, 1914, considerada sinônimo de A. bimaculatus (Linnaeus) por Eigenmann (1921) é revalidada e duas espécies novas são descritas: A. clavitaeniatus, do alto rio Branco, Roraima, Brasil, e A.
Valdener Garutti
doaj +1 more source
Ciência Rural: The present study evaluated the growth performance, survival, feed conversion ratio, intestinal morphometry, and final yield of yellow tail tetra Astyanax bimaculatus after dietary supplementation with the probiotic Lactobacillus sp. at a concentration
M. Owatari +4 more
semanticscholar +1 more source
Trends in Medicinal Uses of Edible Wild Vertebrates in Brazil
Evidence-Based Complementary and Alternative Medicine, Volume 2017, Issue 1, 2017., 2017 The use of food medicines is a widespread practice worldwide. In Brazil, such use is often associated with wild animals, mostly focusing on vertebrate species. Here we assessed taxonomic and ecological trends in traditional uses of wild edible vertebrates in the country, through an extensive ethnobiological database analysis. Our results showed that at
Rômulo Romeu Nóbrega Alves +3 more
wiley +1 more source
CLOFFAR - update 3 - supplement to Checklist of the Freshwater Fishes of Argentina [PDF]
, 2017 In May 2016 we have published the second update to CLOFFAR and in these few months a total of 22 changes have summed up. The total number of fishes known from the freshwaters of Argentina has increased to 538, caused by one new Hoplias and 13 first ...
Koerber, Stefan +2 more
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The Scientific World Journal, Volume 2016, Issue 1, 2016., 2016 Urbanization causes environmental impacts that threaten the health of aquatic communities and alter their recovery patterns. In this study, we evaluated the diversity of intertidal fish in six areas affected by urbanization (areas with native vegetation, deforested areas, and areas in process of restoration of vegetation) along an urban waterfront in ...
Júlio C. Sá-Oliveira +8 more
wiley +1 more source
On some species of Astyanax reported erroneously from Argentina [PDF]
, 2015 Several species of Astyanax have been reported from Argentina which currently are considered not to be distributed so far South or whose identity as Astyanax is doubtful.
Koerber, Stefan, Mirande, Juan Marcos
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