2001
DOI: 10.1590/s1516-35982001000500018
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Predição de características quantitativas de carcaças de suínos pela técnica de ultra-sonografia em tempo real

Abstract: RESUMO -Foram utilizadas 48 fêmeas suínas, para se determinar o rendimento de cortes comerciais, após abate e dissecação das carcaças dos animais aos 50, 60, 70, 80, 90, 100, 110 e 120 kg. Foram tomadas medidas ultra-sônicas in vivo para área de olho de lombo e espessura de toucinho. Os preditores utilizados para estimar o rendimento de carne magra foram espessura de toucinho e área de olho de lombo, além das medidas feitas nos diferentes cortes, como peso do corte do pernil, peso do músculo do pernil, peso do… Show more

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Cited by 7 publications
(6 citation statements)
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References 12 publications
(8 reference statements)
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“…Because fat is a tissue that increases in percentage with increasing animal maturity, resulting in lower feed efficiency (29) , it is expected that the current pigs will have a lower deposition of fat in the carcass at this time of slaughter. Dutra Jr et al (30) reported that female pigs (Camborough 22) slaughtered at 120 kg had an average backfat thickness of 16.4 mm, and for those slaughtered at 70 kg, the average value was 12.4 mm, which is higher than the values observed in this study of 5.80 mm and 8.90 mm for female pigs slaughtered at 67.90 kg from the sugar cane molasses and control groups, respectively. This is a very promising result, considering that current genotypes of pigs used for industrial lean meat production are being slaughtered at an older age (31,32) .…”
Section: Discussioncontrasting
confidence: 81%
“…Because fat is a tissue that increases in percentage with increasing animal maturity, resulting in lower feed efficiency (29) , it is expected that the current pigs will have a lower deposition of fat in the carcass at this time of slaughter. Dutra Jr et al (30) reported that female pigs (Camborough 22) slaughtered at 120 kg had an average backfat thickness of 16.4 mm, and for those slaughtered at 70 kg, the average value was 12.4 mm, which is higher than the values observed in this study of 5.80 mm and 8.90 mm for female pigs slaughtered at 67.90 kg from the sugar cane molasses and control groups, respectively. This is a very promising result, considering that current genotypes of pigs used for industrial lean meat production are being slaughtered at an older age (31,32) .…”
Section: Discussioncontrasting
confidence: 81%
“…The measurement u-BF10 is signifi cantly correlated with CW (0.40) and LW (-0.38), and u-MBF10 is signifi cantly correlated with LW (-0.36). In general, ultrasound measurements are signifi cantly correlated with CW and LW but are poorly correlated with HW, FW, and CLPW, contrary to the correlations between u-LA and HW (0.97), and u-LA and FW (0.98; Dutra et al, 2001). Regarding commercial lean cuts yields (Table 6), ultrasound measurements at both rib locations are more highly correlated with lean meat yield than with weight.…”
Section: Association Between Ultrasonic and Carcass Measurements And mentioning
confidence: 88%
“…The ultrasound technique to estimate backfat and loin area in live animals is well documented and has been used to predict carcass quality and composition (Terry et al, 1989;Gresham et al, 1992;Ragland, 1998;Newcom et al, 2002;Hassen et al, 2004;Niñoles et al, 2010;Lakshmanan et al, 2012) and to predict weight and yield of main lean cuts in pigs (Cisneros et al, 1996;Dutra et al, 2001;Wiseman et al, 2007). Some of measurements on live Iberian pig provided by ultrasound images could be good predictors of the performance of carcass and commercial lean cuts Izquierdo et al, 2010).…”
Section: Introductionmentioning
confidence: 99%
“…Segundo Frank et al (1983), suínos, em especial nas fases de terminação e pós-terminação, mesmo quando alimentados com elevados níveis de fibra dietética, são capazes de manter o ganho de peso em índices adequados por causa da capacidade de elevação do consumo, como tentativa de manter estável o nível de energia digestível ingerida. A capacidade de elevação de ingestão alimentar pode também ser explicada pela alteração da morfologia dos órgãos digestivos, como o aumento do peso do estômago (Gomes, 1996) e do intestino delgado.…”
Section: Introdução Introdução Introdução Introduçãounclassified