期刊
JOURNAL OF FISH BIOLOGY
卷 99, 期 3, 页码 1135-1139出版社
WILEY
DOI: 10.1111/jfb.14771
关键词
cachara; development; digestive enzymes; digestive system; hybrid; Pseudoplatystoma reticulatum
资金
- company Mar e Terra Industria e Comercio de Pescados S/A
- Coordenacao de Aperfeicoamento de Pessoal de Nivel Superior (CAPES) [001]
The development of the digestive system and digestive proteases was studied in cachara and its hybrid during the first 25 days after fertilization, showing a fast and similar development. The unspecific alkaline protease profile suggested the higher digestive capacity of hybrid larvae. The activities of trypsin and chymotrypsin were similar and observed since the oocyte, indicating similar digestive capacity between cachara and its hybrid.
The development of the digestive system and digestive proteases was studied in cachara (Pseudoplatystoma reticulatum) and its hybrid (P. reticulatum x Pseudoplatystoma corruscans) during the first 25 days after fertilization. Both groups presented a fast and similar development of the digestive system, and the unspecific alkaline protease profile suggested that the digestive capacity of hybrid larvae is higher than that of cachara after the last half of the studied phase. The activities of trypsin and chymotrypsin were similar and observed since the oocyte. These observations suggested that cachara and its hybrid has similar digestive capacity and digestive system development.
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