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| Titel: |
Influence of the Reproductive Cycle of Argentinian Hake (Merluccius hubbsi) on Fillet Yield and Operating Costs |
| Auteur: |
Crupkin, Marcos Montecchia, Claudia Montaner, Maria I. Parin, Maria A. Gadaleta, Liliana B. Beas, Viviana Zugarramurdi, Aurora |
| Verschenen in: |
Journal of aquatic food product technology |
| Paginering: | Jaargang 5 (1996) nr. 3 pagina's 29-39 |
| Jaar: |
1996-11-08 |
| Inhoud: |
Seasonal variations in gonadosomatic index (GSI), in the liver-somatic index (LSI), and in fillet yield of mature hake (Merluccius hubbsi) were investigated. A resting or slow recuperation period and another one of rapid transformation (October-February) were observed in gonads of female hakes. The latter occurred earlier in male fish than in female ones. Spawning took place in March. High LSI values were found after spawning and during the gonadal resting period. Low LSI values together with high GSI values were observed. For the hake filleting operation, yield of weight profile was very similar to that of LSI. A linear correlation was obtained when LSI values were plotted against fillet yield (r2 = 0.818, P < 0.001). The unit cost, as well as the yield, can be linearly correlated with the LSI. This equation allows estimation of the production cost when raw material of equal initial quality in different seasons of the year is processed. The results presented are useful for inventory policies in fish plants. |
| Uitgever: |
Taylor & Francis |
| Bronbestand: |
Elektronische Wetenschappelijke Tijdschriften |
Details van artikel 69 van 120 gevonden artikelen
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