4.1 Article

Carcass traits of two marketable size classes of Pangasius pangasius (Hamilton, 1822)

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JOURNAL OF APPLIED ICHTHYOLOGY
卷 29, 期 1, 页码 226-229

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WILEY
DOI: 10.1111/j.1439-0426.2012.02059.x

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Carcass and commercial yield traits of Pangasius pangasius were evaluated and morphometric parameters measured along with carcass traits in two marketable weight classes (average +/- SD) 1603 +/- 49.5 g and 1985.6 +/- 56.6 g. The Pangas fish head yield was 14.80% and 15.1% for the 2000 g and 1600 g weight classes, respectively. The offal percentage varied from 8.6 to 8.8 in both weight classes. Pangasius had a significant accumulation of fat deposits in mesenteric tissue and on the lining of the abdominal cavity. Headless (73.2%), head and skinless (68.7%), head, skin and boneless (57.7%) dressing yields were significantly higher in 1600 g than in the 2000 g weight class. The 2000 g weight class category exhibited mesenteric fat (4.3%), dissected subcutaneous and intramuscular fat (10.1%) which was significantly higher than in the 1600 g weight class. The yields of dressing stages were affected mostly by skin (8.34.5%) and mesenteric fat (4.33.7%), and dissected subcutaneous and intramuscular fat (10.16.8%), which is significantly higher in the 2000 g than in the 1600 g category. The later weight class category resulted in more meat yield, and less bone, skin and fat yields.

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