2014
DOI: 10.3856/vol42-issue5-fulltext-2
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Malformaciones craneales en larvas y juveniles de peces cultivados

Abstract: RESUMEN.Las malformaciones óseas en peces cultivados representan un gran problema en acuicultura, no sólo por las pérdidas económicas que puede generar el mantenimiento de peces que no serán utilizados, sino también por las complicaciones a nivel fisiológico y morfológico que sufren los peces a lo largo de su ciclo de vida. Estas malformaciones pueden tener inicio desde los primeros estados de desarrollo y estar asociadas a una degeneración de las estructuras óseas con la edad, o a factores genéticos, nutricio… Show more

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Cited by 5 publications
(5 citation statements)
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References 71 publications
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“…Skeletal anomalies are frequently reported in cultured fish and affect fish welfare, growth and health [ 1 , 2 , 3 , 4 ]. Skeletal abnormalities are frequently associated with slow body growth and various types of co-morbidities, resulting in a high mortality rate that increases production costs, compromises product marketability and reduces farm competitiveness [ 4 , 5 ].…”
Section: Introductionmentioning
confidence: 99%
“…Skeletal anomalies are frequently reported in cultured fish and affect fish welfare, growth and health [ 1 , 2 , 3 , 4 ]. Skeletal abnormalities are frequently associated with slow body growth and various types of co-morbidities, resulting in a high mortality rate that increases production costs, compromises product marketability and reduces farm competitiveness [ 4 , 5 ].…”
Section: Introductionmentioning
confidence: 99%
“…Rainbow trout can be found in free form in rivers or lagoons (wild), or raised in aquaculture, mainly in North and South America, Asia, and Europe. Despite the development of salmon farming and the conditions given to farmed fish, fish culture reduces natural selection, with the consequent onset of bone alterations affecting development [ 2 , 3 , 4 ]. The more frequent deformations locate in the axial skeleton (head and spine) and consist of jaw deformities associated with specimens fed with low-vitamin diets (A and C), proteins, and minerals, primarily phosphorus (P) [ 5 , 6 , 7 , 8 , 9 ].…”
Section: Introductionmentioning
confidence: 99%
“…Bone alterations in fish have been described in association with genetic, environmental, and nutritional factors, thus establishing that the origin of bone alterations in salmonids is multifactorial [ 7 , 9 , 10 , 11 , 12 , 13 ]. Therefore, the correct identification of the determinant component is crucial for a better understanding of the process, preventing damage to the species, improving the efficiency of the productive chain, and avoiding economic losses [ 2 , 4 , 8 , 14 ]. Genetic factors affecting salmonid bone development are mainly related to gene expression alterations in signaling pathways for osteogenesis, affecting one or several genes [ 15 , 16 ].…”
Section: Introductionmentioning
confidence: 99%
“…Las malformaciones o anomalías son uno de los mayores problemas de la producción intensiva de alevines de peces en criaderos, dado que traen como consecuencia la disminución del crecimiento, mayor susceptibilidad a enfermedades, altas mortalidades, y pérdidas económicas en las etapas de alevines y crecimiento de la tilapia (Andrade et al, 1996;Koumoundouros et al 1997Koumoundouros et al , 2001Boglione et al, 2001, 2013, Argüello et al, 2014. La mayoría de los factores externos que han sido estudiados están relacionados a la alimentación durante el cultivo (Izquierdo et al, 2001), así como temperatura, pH, salinidad, oxígeno, fotoperiodo, estrés térmico, además de la inducción o sincronización de la ovulación y la maduración de los embriones (Bonnet et al, 2007;Prochazka, 2009).…”
Section: Introductionunclassified