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	Provedor de dados Biocell (1) Neotropical Ichthyology (1) Autor Ponce-Palafox,Jesús T. (2) Arellano-Méndez,Leonardo U. (1) Arredondo-Figueroa,José Luis (1) Bello-Pineda,Javier (1) Frías-Quintana,Carlos A. (1) Heredia-Guzmán,Paloma Adriana (1) Hernández-Almeida,Oscar U. (1) Jiménez-Martínez,Luis D. (1) Martínez-Cárdenas,Leonardo (1) Martínez-García,Rafael (1) Núñez-García,Laura Georgina (1) Álvarez-González,Carlos A. (1) Mais... Palavra-chave Atherinopsidae (1) Breeding (1) Eggs (1) Enzyme activity (1) Juveniles (1) PH (1) Protease inhibitors (1) Survival rate (1) Sygnathidae (1) Temperature (1) Mais... Tipo do documento Info:eu-repo/semantics/article (2) Ano 2020 (1) 2012 (1) País Argentina (1) Brazil (1) Idioma Inglês (2)		Ordenar por:  Relevância Autor Título Ano Registros recuperados: 2 Primeira ... 1 ... Última Reproductive performance of the Mesa silverside (Chirostoma jordani Woolman, 1894) under natural and controlled photoperiods Biocell Arredondo-Figueroa,José Luis; Núñez-García,Laura Georgina; Heredia-Guzmán,Paloma Adriana; Ponce-Palafox,Jesús T.. Chirostoma jordani is a native annual species inhabiting lacustrine waters of the Central Mexico Plateau. It is widely distributed and is currently facing high environmental pressures. Five experiments were performed to study the reproductive performance of this species. Four of the experiments were conducted in 270-L indoor recirculation tanks. Two males and one female at the first stage of reproduction were included in each test. A photoperiod of 14 light hours and 10 dark hours was used. In a fifth experiment, 10 females and 15 males were kept in an outdoor 3,000-L recirculation tank under natural photoperiod. The number of spawns, fertilised eggs and 30-day-old juveniles were counted and the survival rate was calculated. The results indicated... Tipo: Info:eu-repo/semantics/article Palavras-chave: Breeding; Atherinopsidae; Eggs; Juveniles; Survival rate. Ano: 2012 URL: http://www.scielo.org.ar/scielo.php?script=sci_arttext&pid=S0327-95452012000300002 Partial characterization of digestive proteases in juveniles of Microphis brachyurus (short-tailed pipefish) (Syngnathiformes: Syngnathidae) Neotropical Ichthyology Martínez-Cárdenas,Leonardo; Frías-Quintana,Carlos A.; Álvarez-González,Carlos A.; Jiménez-Martínez,Luis D.; Martínez-García,Rafael; Hernández-Almeida,Oscar U.; Bello-Pineda,Javier; Arellano-Méndez,Leonardo U.; Ponce-Palafox,Jesús T.. ABSTRACT Short-tailed pipe fish (Microphis brachyurus) is a freshwater organism with high economic potential for the aquarium hobby, so it is necessary to implement methods to promote its culture through studies of digestive physiology. General activities of acid and alkaline proteases were evaluated, as well as the effect of pH, temperature and inhibitors. The optimal pH of stomach proteases was 2, while the optimal pH of intestinal proteases was 10. Optimal temperature for the acidic proteases was 35 ºC, while for alkaline proteases it was 45 ºC. Thermal stability showed high resistance at 35 ºC for both acid and alkaline proteases (above 100% residual activity). Acid proteases are resistant at pH 2 (50% of residual activity), meanwhile alkaline... Tipo: Info:eu-repo/semantics/article Palavras-chave: Enzyme activity; Sygnathidae; PH; Protease inhibitors; Temperature. Ano: 2020 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1679-62252020000200212 Registros recuperados: 2 Primeira ... 1 ... Última

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