Please use this identifier to cite or link to this item: http://hdl.handle.net/10198/4312
Title: In vivo ultrasonic measurements and live weight for predicting carcass quality in Churra Tensina mountain breed lambs
Authors: Delfa, R.
Joy, M.
Sanz, A.
Panea, B.
Teixeira, A.
Issue Date: 2006
Publisher: EAAP; Wageningen Academic Publishers
Citation: Delfa, R.; Joy, M.; Sanz, A.; Panea, B.; Teixeira, A. (2006) - In vivo ultrasonic measurements and live weight for predicting carcass quality in Churra Tensina mountain breed lambs. In In 57th EAAP Annual Meeting. Antalya
Abstract: Forty six single male lambs of Churra Tensina mountain breed with a live weight ranging from 19.9 to 24.4 Kg producers of carcass type Temasco, were scanned by ultrasound (ALOKA model SSD-900, with a 7.5 MHz sounder) to determine M. Longissimus dorsi depth and subcutaneous fat thickness between the I Olh_l ]lh, 12th_13th dorsal vertebra and PI_2nd, 3rd_4lh lumbar vertebra. Lambs were slaughtered after 24 h. fasting. Carcasses were cooled at 4' C for 24 h. and halved. The left side was divided according to a standardised jointing procedure, based on six anatom ically regions: shoulder. long leg, anterior ribs, ribs, flank and neck. Each joint was then dissected into muscle, bone plus remainder and subcutaneous, inter-muscular, kidney and pelvic fat. The in vivo ultrasound measurements plus slaughter weight were fitted to predict carcass tissue composition by Stepwise regression analysis. All the developed models were highly significant (P<O.OO I) and explained 70, 51,82,56,59 and 41 % of the muscle, bone plus remainder, subcutaneous, inter-muscular, kidney and pelvic fat variation respectively. The models residual standard deviations were lower than 124.3 g.
Peer review: yes
URI: http://hdl.handle.net/10198/4312
Appears in Collections:CA - Resumos em Proceedings Não Indexados ao ISI/Scopus

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