Specimens of Atlantoraja castelnaui were obtained from seven commercial fishing vessels operating in southeastern Brazilian waters, from March 2005 to April 2006. A total of 53 males, ranging from 17.9 to 111.0 cm in ...

The effects of H2O2 were evaluated in the estuarine worm Laeonereis acuta (Polychaeta, Nereididae) collected at the Patos Lagoon estuary (Southern Brazil) and maintained in the laboratory under controlled salinity (10 psu ...

Growth hormone overexpression increases growth and consequently increases the metabolic rate in fishes. Therefore, the objective of this study was to evaluate the effects of growth hormone overexpression in zebrafish ...

Neohelice granulata (Chasmagnathus granulatus) is an intertidal crab species living in salt marshes from estuaries and lagoons along the Atlantic coast of South America. It is a key species in these environments because ...

This study analyzed biochemical biomarkers of freshwater and estuarine fish species from Southern Brazil. It analyzed three organs (muscle, liver and gills), in four fish species (Micropogonias furnieri, Pimelodus ...

Differences in the toxicological and metabolic pathway of inorganic arsenic compounds are largely unknown for aquatic species. In the present study the effects of short-time and acute exposure to AsIII and AsV were ...

Estrogen compounds have been described as important brain protectors. This study investigated the effects of estradiol valerate (EV—0.3 mg/kg) and two concentrations of tibolone (TB1 = 0.5 mg/kg and TB2 = 1 mg/kg) on ...

This study investigated the passive avoidance conditioning in zebrafish (Danio rerio). An instrument was developed for measuring escape responses triggered by a conditioned stimulus. This system allowed quantification ...

Samples of Atlantoraja cyclophora were obtained by bottom-trawling surveys on the outer continental shelf and upper slope of the Rio Grande do Sul State, Brazil, at depths between 100 and 300 m. For a sample of 459 ...

During the present study, 107 specimens of Atlantoraja castelnaui, 188 of A. platana, and 770 of A. cyclophora, were obtained by commercial vessels operating in Southeastern Brazil from March 2005 to April 2006. Males of ...

In order to allow growth comparisons and the indirect estimation of some of the von Bertalanffy growth model’s parameters (specifically K or L¥), growth parameters and growth performance index (F¢) of 13 populations of ...

En diciembre de 2005 se recolectaron cápsulas ovígeras de dos hembras de Psammobatis scobina, capturadas en Caleta Montemar, Chile central (32º57’S-71º33’W). La superficie de las cápsulas fue suave y finamente estriada, ...

A total of 3518 specimens (1607 males, 1911 females) of Dipturus chilensis were sampled. Males ranged from 44.0 to 99.0 cm and females from 45.0 to 110.0 cm. Total length composition of the grouped catches differed ...

Fueron analizadas siete campañas de evaluación del estado del stock de la Merluza (Merluccius hubbsi) realizadas en la Zona Común de Pesca Argentino–Uruguaya entre 1986 y 1991 para determinar las áreas de mayor concentración ...

Foram avaliadas a composição tecidual e química entre a paleta e a perna de ovinos da raça Corriedale não castrados e castrados, abatidos em 3 diferentes idades. Foram utilizados 60 animais (30 não castrados e 30 castrados), ...

Objetivando oferecer subsídios para otimizar o entendimento da cadeia da carne foi estudada a relação entre a avaliação in vivo, realizada por três técnicos, e na carcaça e, verificado os efeitos do lote e raça sobre as ...

O estudo objetivou comparar o pH da carne em cordeiros não castrados, das raças Corriedale e Ideal, criados em três diferentes sistemas de alimentação. Foram utilizados 111 cordeiros, sendo 51 da raça Corriedale, destes, ...

O estudo objetivou avaliar comparativamente a composição regional e tecidual dos cortes da paleta e da perna da carcaça de cordeiros da raça corriedale, em três sistemas alternativos de produção. Foram utilizados 51 ...