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	Provedor de dados Zoologia (2) BABT (1) R. Bras. Zootec. (1) Autor Hattori,Gustavo Yomar (4) Pinheiro,Marcelo Antonio Amaro (2) Pinheiro,Marcelo A.A. (1) Pires-Júnior,Amilcar Nogueira (1) Sant'Anna,Bruno Sampaio (1) Palavra-chave Brachyura (3) Crustacea (2) Ocypodidae (2) Ucides (2) Aquaculture (1) Embryology (1) Fertility (1) Growth (1) Mollusk (1) Portunidae (1) Relative growth (1) Reproduction (1) Stock enhancement (1) Swimming crab (1) Mais... Tipo do documento Info:eu-repo/semantics/article (4) Ano 2019 (1) 2006 (1) 2003 (1) 2002 (1) País Brazil (4) Idioma Inglês (2) Português (2)		Ordenar por:  Relevância Autor Título Ano Registros recuperados: 4 Primeira ... 1 ... Última Effect of stock density of cultured Amazon Apple Snail Pomacea dolioides (Gastropoda: Ampullariidae) in Brazil R. Bras. Zootec. Pires-Júnior,Amilcar Nogueira; Hattori,Gustavo Yomar; Sant'Anna,Bruno Sampaio. ABSTRACT This study evaluated the biomass gain, specific growth rate, absolute weight gain, and survival rate of the gastropod Pomacea dolioides cultivated in different stocking densities. To perform the experiment, samples were collected in March and June 2015. A total of 40 adult specimens were collected in the Jauary neighborhood (03°08′19.9"S, 58°27′32.5"W), municipality of Itacoatiara, AM, Brazil. They were kept in the laboratory for breeding to obtain the young P. dolioides, which were distributed into tanks containing 4 L of water and an aeration system, in three densities: 2.5 animals/L, 5 animals/L, and 10 animals/L, and were fed fish ration (34% gross protein). The specimens were measured for shell length and weight every fifteen days. The... Tipo: Info:eu-repo/semantics/article Palavras-chave: Aquaculture; Growth; Mollusk; Stock enhancement. Ano: 2019 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-35982019000100153 Embriologia do siri Arenaeus cribrarius (Lamarck) (Crustacea, Brachyura, Portunidae) Zoologia Pinheiro,Marcelo A.A.; Hattori,Gustavo Yomar. Ovigerous females of Arenaeus cribrarius were collected at Ubatuba, São Paulo, and maintaining in aquaria under controlled temperature (25±1ºC), salinity (35±1‰) and photoperiod (12:12). A small sample of eggs was collected for each 24h, for morphological description, chromatic changes and biometric analysis throughout the embryonic development. Eight egg stages were photographed and had their small and large diameters measured under a microscope provided with camera lucida. The egg's shape was low elliptical during all the embryogenesis and showed size increase (24.4%) and volume (91.1 %), when the last stage were compared with the first one. According to mean egg diameter and volume, the eggs should be pooled in three different groups (1-3; 4-6; 7-8)... Tipo: Info:eu-repo/semantics/article Palavras-chave: Crustacea; Brachyura; Portunidae; Swimming crab; Embryology. Ano: 2002 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0101-81752002000200013 Fertilidade do caranguejo de mangue Ucides cordatus (Linnaeus) (Crustacea, Brachyura, Ocypodidae), em Iguape (São Paulo, Brasil) Zoologia Hattori,Gustavo Yomar; Pinheiro,Marcelo Antonio Amaro. A total of 58 Ucides cordatus (Linnaeus, 1763) ovigerous females in final embryonic stage were collected in mangrove forest at Iguape (São Paulo). Each female were kept in laboratory until the larvae hatching and had their carapace width (CW) measured with caliper (0.05 mm) and the larval number (LN) calculated by volumetric method. The hatching rates (HR) were calculated for each animal's size class (5 mm). The values of LN and CW obtained were subjected to regression analyses and the best fitting model was chosen by comparing the obtained determination coefficients (R²). The fertility varied from 71,200 to 220,800 larvae (147,169 ± 32,070 larvae), corresponding to 41.7 to 76.8 mm CW (63.7±7.9 mm), respectively. The relationship LNxCW was expressed by the... Tipo: Info:eu-repo/semantics/article Palavras-chave: Brachyura; Crustacea; Fertility; Ocypodidae; Reproduction; Ucides. Ano: 2003 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0101-81752003000200022 Relative growth of the mangrove crab Ucides cordatus (Linnaeus, 1763) (Crustacea, Brachyura, Ocypodidae) at Iguape, São Paulo, Brazil BABT Pinheiro,Marcelo Antonio Amaro; Hattori,Gustavo Yomar. A total of 2,130 individuals of Ucides cordatus (1,255 males and 875 females) were captured in a mangrove forest at Iguape, São Paulo, Brazil. For each crab, the following body structures were measured: carapace (width = CW; length = CL; depth = CD), 5th abdominal somite (AW), major chelar propodus (length = PL; width = PW; depth = PD), and 1st and 2nd gonopod pairs (length = GL1 and GL2). The Student "t" and Snedecor "F" tests were used to verify any changes in growth allometric rates during ontogeny. The relationships CLxCW, PLxCW (for both sexes), GL1xCW and GL2xCW (males) and AWxCW (females), showed a better fit by two equations for the juvenile and adult phases (p<0.01). The inflexion point size between regression lines, indicated by each... Tipo: Info:eu-repo/semantics/article Palavras-chave: Relative growth; Brachyura; Ocypodidae; Ucides. Ano: 2006 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-89132006000600016 Registros recuperados: 4 Primeira ... 1 ... Última

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