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Title

Influence of the stocking density on the growth, feeding, survival rate and muscle cellularity of juvenile specimens of common name shi drum, Umbrina cirrosa L.

Year: 1398
COI: JR_JIFRO-19-1_023
Language: EnglishView: 22
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Authors

M. Ayala - Universidad de Murcia, Facultad de Veterinaria., Department Anatomía y Anatomía Patológica Comparadas, ۳۰۱۰۰ Campus de Espinardo, Murcia, Spain.
A. Molera - Universidad de Murcia, Facultad de Veterinaria., Department Anatomía y Anatomía Patológica Comparadas, ۳۰۱۰۰ Campus de Espinardo, Murcia, Spain.
A. García-Alcázar - Instituto Español de Oceanografía, Centro Oceanográfico de Murcia, Puerto de Mazarrón Murcia, Spain.
M. Arizcun - Instituto Español de Oceanografía, Centro Oceanográfico de Murcia, Puerto de Mazarrón Murcia, Spain.

Abstract:

Common name Umbrina cirrosa specimens (mean weight ۹.۵ g, mean length ۹ cm) were categorized in three densities (۴, ۹ and ۱۵ kg m-۳) in order to study the influence of stocking density on the growth, survival rate and feed conversion rates. The body and muscle parameters were studied at ۰, ۴۳ and ۸۴ days of the experiment. After ۴۳ days, the highest body parameters values (body length and weight) were found in specimens reared at ۹ kg m-۳, followed by the specimens reared at ۴ kg m-۳, showing the specimens reared at ۱۵ kg m-۳ the lowest growth. These results showed a negative effect of high density on the growth, being the intermediate density (۹ kg m-۳) the most favorable density for the growth at this stage. Muscle cellularity was different among the groups, being the hypertrophy values higher at high density of rearing (۱۵ kg m-۳) than at ۴ and ۹ kg m-۳. In contrast, the hyperplasia was higher at ۴ kg m-۳ than in the rest of densities. The group reared at ۹ kg m-۳ showed intermediate values of hypertrophy and hyperplasia.  At ۸۴ days of the experiment, the muscle cellularity was similar at ۴ and ۹ kg m-۳, this indicating a compensatory hypertrophic growth at ۴ kg m-۳. The highest values of body weight were reached at ۹ kg m-۳. Moreover, the feed conversion rates and the percentage of survival rate were better at ۹ than at ۴ kg m-۳.

Keywords:

Paper COI Code

This Paper COI Code is JR_JIFRO-19-1_023. Also You can use the following address to link to this article. This link is permanent and is used as an article registration confirmation in the Civilica reference:

https://civilica.com/doc/1401521/

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If you want to refer to this Paper in your research work, you can simply use the following phrase in the resources section:
Ayala, M. and Molera, A. and García-Alcázar, A. and Arizcun, M.,1398,Influence of the stocking density on the growth, feeding, survival rate and muscle cellularity of juvenile specimens of common name shi drum, Umbrina cirrosa L.,https://civilica.com/doc/1401521

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  • Hecht, T., Battaglene, S. and Talbot, B., ۱۹۹۶. Effect of ...
  • Higgins, P.J. and Thorpe, J.E., ۱۹۹۰. Hyperplasia and hypertrophy in ...
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