[Effects of rearing density on juvenile Acipenser schrenckii digestibility, feeding rate and growth].
Identifieur interne : 000C74 ( Main/Merge ); précédent : 000C73; suivant : 000C75[Effects of rearing density on juvenile Acipenser schrenckii digestibility, feeding rate and growth].
Auteurs : Xiaotao Shi [République populaire de Chine] ; Dapeng Li ; Ping Zhuang ; Xuezhen Zhang ; Fen NieSource :
- Ying yong sheng tai xue bao = The journal of applied ecology [ 1001-9332 ] ; 2006.
English descriptors
- KwdEn :
- MESH :
- growth & development : Fishes.
- methods : Aquaculture.
- physiology : Digestion, Feeding Behavior, Fishes.
- Animals.
Abstract
A 60-day rearing experiment was conducted in this study. The initial weight of juvenile Acipenser schrenckii was 43.90 +/- 1.75 g, and the initial rearing density was 0.525 (LSD), 1.171 (MSD), and 2.138 (HSD) kg x m(-2), respectively. The results showed that with increasing rearing density, the specific growth rate (SGR) and daily weight gain (DWG) of juvenile A. schrenckii were significantly decreased, while net yield (NY) was increased. The digestibility was significantly higher in LSD and MSD than in HSD, while that in LSD and MSD was nearly the same. The feeding rate in MSD was significantly-lower than that in HSD, but slimly higher than that in LSD. There was a significant negative linear correlation between food conversion ratio (FCR) and digestibility, and a significant positive linear correlation between SGR and digestibility.
PubMed: 17066714
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pubmed:17066714Le document en format XML
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The initial weight of juvenile Acipenser schrenckii was 43.90 +/- 1.75 g, and the initial rearing density was 0.525 (LSD), 1.171 (MSD), and 2.138 (HSD) kg x m(-2), respectively. The results showed that with increasing rearing density, the specific growth rate (SGR) and daily weight gain (DWG) of juvenile A. schrenckii were significantly decreased, while net yield (NY) was increased. The digestibility was significantly higher in LSD and MSD than in HSD, while that in LSD and MSD was nearly the same. The feeding rate in MSD was significantly-lower than that in HSD, but slimly higher than that in LSD. There was a significant negative linear correlation between food conversion ratio (FCR) and digestibility, and a significant positive linear correlation between SGR and digestibility.</div></front></TEI></record>Pour manipuler ce document sous Unix (Dilib)
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