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Prediction Of Carcass Quality Traits Of Common Carp By X-Ray Computerized Tomography

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Title: Prediction Of Carcass Quality Traits Of Common Carp By X-Ray Computerized Tomography
Authors: Hancz, C.
Romvári, R.
Petrási, Z.
Horn, P.
Keywords: carcass quality, common carp, computerized tomography, fat content, prediction
LC Subject Headings: Fish culture--Israel--Periodicals.
Fish culture--Periodicals.
Aquaculture--Israel--Periodicals.
Aquaculture--Periodicals.
Issue Date: 2003
Publisher: Israeli Journal of Aquaculture - BAMIGDEH
Citation: Hancz, C., Romvári, R., Petrási, Z., & Horn, P. (2003). Prediction Of Carcass Quality Traits Of Common Carp By X-Ray Computerized Tomography. The Israeli Journal of Aquaculture - Bamidgeh, 55(1), 61-68.
Series/Report no.: The Israeli Journal of Aquaculture - Bamidgeh
Abstract: X-ray computerized tomography (CT) and chemical analysis were used to determine the fat and protein contents in the fillet of table-sized mirror carps. Serial CT scans were taken along the body from the operculum to the beginning of the caudal fin. After scanning, the anesthetized fish were immediately processed; slaughter value and fillet yield were determined before taking sam- ples for chemical analysis. Independent variables of prediction equations were produced from the CT density values, which ranged from -90 to 160 on the Hounsfield scale. Based on the data derived from the CT scanning, areas (cm2) of muscle and fat tissue were identified. Fat deposi- tion was highest in the dorsal fin region. The muscle area varied according to the body shape and seems to be inadequate for predicting the slaughter value of common carp. The fat and pro- tein contents of the fillet, when predicted from scanning only the dorsal region, were as accurate as when predicted from scanning the whole body and were R2 = 0.88 and 0.86, respectively.
Pages/Duration: 8 pages
URI/DOI: http://hdl.handle.net/10524/19066
ISSN: 0792-156X
Appears in Collections:IJA Volume 55, Issue 1, 2003



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