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Influence of hand net mesh type and sex on experimental infection with Aeromonas hydrophila in Brazilian native fish Astyanax altiparanae
(2020-03-01)
Farmed fish are permanently exposed to management procedures such as netting that can result in stress, skin injuries and subsequent secondary infections. The type of mesh material can modulate the magnitude of netting ...
Morfometria do tetra olho de fogo (Moenkhausia forestii) e o efeito da babosa Aloe vera como condicionador de água durante o transporteMorphometry of tetra fire eye (Moenkhausia forestii) and the effect of Aloe vera’s aloe as a water conditioner during transportMorfometría del tetra ojo de fuego (Moenkhausia forestii) y el efecto del Áloe vera como acondicionador de agua durante el transporte
(Universidade Federal da Grande DouradosBrasilFaculdade de Ciências AgráriasPrograma de pós-graduação em ZootecniaUFGD, 2022)
The first case of induced gynogenesis in Neotropical fishes using the yellowtail tetra (Astyanax altiparanae) as a model organism
(Elsevier B.V., 2020-01-01)
Gynogenesis is a chromosome manipulation technique applicable on the production of all-female populations, generation of inbred or clonal lines and identification of genetic sex determination mechanisms in fish. Therefore, ...
SPERMATOGENESIS IN THE YELLOWTAIL TETRA Astyanax altiparanae: A HISTOLOGICAL ANALYSES WITH EMPHASIS TO SPERMATOGONIAL AND SPERMATID TYPES
(Inst Pesca, 2015-01-01)
This study aimed to detailed description of the characteristics of the different germ cell types found in Astyanax altiparanae during spermatogenesis. In this purpose, testes from 25 adult male's specimens of A. altiparanae ...
Morfologia testicular e estrutura da espermatogênese em peixes ornamentais Tetra Negro, Gymnocorymbus ternetzi; Tetra Amarelo, Hyphessobrycon bifasciatus e Mato Grosso, Hyphessobrycon eques (Teleostei, Characiformes)
(Universidade Estadual Paulista (Unesp), 2007-12-14)
O presente trabalho teve como objetivo descrever a morfologia testicular e as características da espermatogênese e a estrutura dos espermatozóides em Gymnocorymbus ternetzi, Hyphessobrycon bifasciatus e Hyphessobrycon ...
Morfologia testicular e estrutura da espermatogênese em peixes ornamentais Tetra Negro, Gymnocorymbus ternetzi; Tetra Amarelo, Hyphessobrycon bifasciatus e Mato Grosso, Hyphessobrycon eques (Teleostei, Characiformes)
(Universidade Estadual Paulista (Unesp), 2007-12-14)
O presente trabalho teve como objetivo descrever a morfologia testicular e as características da espermatogênese e a estrutura dos espermatozóides em Gymnocorymbus ternetzi, Hyphessobrycon bifasciatus e Hyphessobrycon ...
Triploid Induction in the Yellowtail Tetra, Astyanax altiparanae, Using Temperature Shock: Tools for Conservation and Aquaculture
(Wiley-Blackwell, 2017-10-01)
Triploidization is an interesting tool to produce sterile fish. In the yellowtail tetra, Astyanax altiparanae, this can be applied for aquaculture and surrogate technologies. In this study, we compared the efficacy of cold ...
Morfometría y topología del cerebro del pez tetra cola roja, aphyocharax anisitsi (characiformes: characidae)Morphometry and topology of the brain of bloodfin tetra fish aphyocharax anisitsi (characiformes: characidae)
(Instituto Nacional de Investigación y Desarrollo Pesquero, 2016-12)
Se presenta una descripción histológica de los núcleos neuronales en las distintas regiones del cerebro del pez tetra cola roja Aphyocharax anisitsi. Se muestra, además, la morfología externa del cerebro que se estudió ...
Sperm quality of spontaneously occurring gynogenetic males in the yellowtail tetra Astyanax altiparanae
(2021-01-01)
Gynogenesis is a chromosomal manipulation technique where an offspring is generated exclusively from maternal inheritance. In the yellowtail tetra (Astyanax altiparanae) almost all gynogenetic fish were females, suggesting ...