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1. Cannibalism management of jundiá fry, Rhamdia quelen: Behavior in heterogeneous batches fed on food with different particle sizes

Author:
Piedras, Sérgio R.N.,   et al.   ; Costenaro-Ferreira, Cristiano; Oliveira, Rodrigo R.B.; Oliveira, Paulo L.S.; Hartmann, Gustavo J.; Hammes, Fernanda B.; Pouey, Juvêncio L.O.F.;     Show all 7 Authors
Source:
Applied animal behaviour science 2016 v.185 pp. 146-151
ISSN:
0168-1591
Subject:
Rhamdia quelen; cannibalism; fish; hatcheries; head; mouth; omnivores; particle size; predators; rearing
Abstract:
... Fish reared in heterogeneous batches and fed on food with a very small particle size can practice cannibalism, because it is energetically more feasible. Jundiá is an omnivorous fish that exhibits heterogeneous growth and high cannibalism rate (CR) in the early stages of its life. Thus, to increase the survival of jundiá, regular size grading has become a necessity to regularly sort into narrow si ...
DOI:
10.1016/j.applanim.2016.10.001

2. The role of amides in seminal cryopreservation of wild silverside, Odontesthes bonariensis

Author:
Piedras, Sergio R.N.,   et al.   ; Alves, Juliana P.; Corcini, Carine D.; Silva, Estela F.; Caldas, Josie S.; Cardoso, Tainã F.; Jardim, Rodrigo D.; Varela, Antonio S.;     Show all 8 Authors
Source:
Cryobiology 2016 v.73 no.3 pp. 383-387
ISSN:
0011-2240
Subject:
Odontesthes bonariensis; amides; cryopreservation; cryoprotectants; dimethyl sulfoxide; membrane fluidity; mitochondria; plasma membrane; semen; spermatozoa
Abstract:
... Amides were tested as internal cryoprotectants for the preservation of wild silverside (Odontesthes bonariensis) sperm. The semen was diluted in modified Mounib's medium and cryopreserved by adding 2, 5, 8 or 11% of dimethyl acetamide (DMA), dimethyl formamide (DMF) or methyl formamide (MF). Dimethyl sulfoxide (DMSO) at a concentration of 10% diluted in modified Mounib's medium was used as a contr ...
DOI:
10.1016/j.cryobiol.2016.09.001