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Hematological and morphometric blood value of four cultured species of economically important tropical foodfish. Repositório Alice
DAL'BÓ, G. A.; SAMPAIO, F. G.; LOSEKANN, M. E.; QUEIROZ, J. F. de; LUIZ, A. J. B.; WOLF, V. H. G.; GONÇALVES, V. T.; CARRA, M. L..
Abstract: The use and validation of fish health monitoring tools have become increasingly evident due to aquaculture expansion. This study investigated the hematology and blood morphometrics of Piaractus mesopotamicus, Brycon orbignyanus, Oreochromis niloticus and Rhamdia quelen. The fish were kept for 30 days in 300-liter aquariums, after which they were anesthetized with benzocaine and blood was collected from caudal vessels. In comparison to other species, B. orbignyanus presented the highest hematocrit (Ht), RBC averages and Mean Corpuscular Volume (MCV) with a particular range of data. B. orbignyanus presented lower Ht, Hb, RBC averages and values, and Mean Corpuscular Hemoglobin Concentration (MCHC). Oreochromis niloticus presented lower Ht, Hb, RBC...
Tipo: Artigo em periódico indexado (ALICE) Palavras-chave: Morfometria; Aquaculture; Fish stress; Health status; Hematological values; Tropical fish species; Peixe; Sangue; Hematologia; Fish health; Hematology; Tropical fish; Piaractus mesopotamicus; Oreochromis niloticus; Rhamdia quelen.
Ano: 2015 URL: http://www.alice.cnptia.embrapa.br/handle/doc/1031403
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Hematological and morphometric blood value of four cultured species of economically important tropical foodfish Neotropical Ichthyology
Dal'Bó,Genoefa Amália; Sampaio,Fernanda Garcia; Losekann,Marcos Eliseu; Queiroz,Julio Ferraz de; Luiz,Alfredo José Barreto; Wolf,Verena Hildegard Gyárfas; Gonçalves,Vitória Teodoro; Carra,Maria Lidia.
The use and validation of fish health monitoring tools have become increasingly evident due to aquaculture expansion. This study investigated the hematology and blood morphometrics of Piaractus mesopotamicus, Brycon orbignyanus, Oreochromis niloticus and Rhamdia quelen. The fish were kept for 30 days in 300-liter aquariums, after which they were anesthetized with benzocaine and blood was collected from caudal vessels. In comparison to other species, B. orbignyanus presented the highest hematocrit (Ht), RBC averages and Mean Corpuscular Volume (MCV) with a particular range of data. B. orbignyanus presented lower Ht, Hb, RBC averages and values, and Mean Corpuscular Hemoglobin Concentration (MCHC). Oreochromis niloticus presented lower Ht, Hb, RBC averages...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Aquaculture; Fish stress; Health status; Hematological values; Tropical fish species.
Ano: 2015 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1679-62252015000200439
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Is total serum protein a good indicator for welfare in reared sea bass (Dicentrarchus labrax)? ArchiMer
Coeurdacier, Jean-luc; Dutto, Gilbert; Gasset, Eric; Blancheton, Jean-paul.
Reared sea bass were submitted to six stressful situations: hyperoxia with or without hypercapnia, increased stocking density in an open flow or recirculating system, transfer to another tank and nodavirus injection. The potentially negative impact of these factors on the lives of sea bass was investigated by measuring 9 water parameters and 19 fish parameters including total serum protein (TSP). TSP has already been used to evaluate stress. The present study investigates data of previous and new experiments, concentrating on the potential use of TSP as a routine indicator to assess welfare in sea bass reared on fish farms. In the current experiment, oxygen and carbon dioxide were seen to affect levels of TSP, but alterations were too erratic to enable...
Tipo: Text Palavras-chave: Fish stress; Fish welfare; Protein; Serum; Fish transfer; Nodavirus; Sea bass.
Ano: 2011 URL: http://archimer.ifremer.fr/doc/00043/15382/12740.pdf
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Skin extract from Rhamdia quelen(Siluriformes: Heptapteridae) does not promote stress in conspecifics Neotropical Ichthyology
Souza-Bastos,Luciana Rodrigues de; Freire,Carolina Arruda; Fernandes-de-Castilho,Marisa.
Chemical communication is widely used in aquatic environments, where visual or auditory signals may not be always effective. Fish of the superorder Ostariophysi are known to display epidermal cells (club cells) that produce and store alarm substances, which are released to the water when the skin is damaged. Responses to alarm substances range widely, between active searches for refuge to a complete stop in any locomotor activity. In this study a large number of binucleated club cells (average density of 11 cells /5m2) were histologically observed in the skin of the catfish Rhamdia quelen (known as jundia). Skin extract (2, 5, and 10% w/v) applied for 15 minutes to conspecifics elicited increase in swimming activity and in the area visited by the fish...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Anti-predator behavior; Chemical communication; Club cell; Fish stress; Jundia.
Ano: 2014 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1679-62252014000100125
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