Nutritional characteristics of veal from weaned and unweaned calves: Discriminatory ability of the fat profile

Moreno, T.; Varela, A.; Oliete, Bonastre; Carballo, Javier; Sánchez, L.; Montserrat, L.

doi:10.1016/j.meatsci.2005.11.016

Cited by 45 publications

(55 citation statements)

References 21 publications

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“…Muscle from calves fed on concentrate during the long period (C) accumulated higher total FA than calves fed on pasture grazing (P). Our results are in agreement with other studies, which reported that an increase in total beef fat concentration was associated with an increase in MUFA (Marmer et al, 1984;Webb et al, 1998;Moreno et al, 2006).…”

Section: Fa Compositionsupporting

confidence: 94%

“…No significant differences among treatments were found for total SFA; however, muscle 17:0 and 18:0 content for treatment C was marginally higher (P , 0.1) compared with animals on treatments P and C. Regarding minor SFA, there were not any difference between treatments. Similar results were found by other authors in the GB breed raised on pasture (Varela et al, 2004;Moreno et al, 2006). Other studies showed that effects of feeding on SFA content depended on maturity.…”

Section: Sfasupporting

confidence: 91%

“…Similar results were found by other authors in the GB breed raised on pasture (Varela et al, 2004;Moreno et al, 2006). Muscle from P calves had higher content in total PUFA (P , 0.05) than PC calves.…”

Section: Pufasupporting

confidence: 91%

“…Calves are reared and/or finished on concentrate feed, while they are kept on maternal suckling until the time of slaughter. However, alternative systems have been designed to reduce concentrate feed costs and farming work (Moreno et al, 2006). Grazing-based beef production allows the herd size to increase and would improve animal welfare, while developing a more natural management, in accordance to several EU welfare rules (Decision 97/182/EC, Directive 97/2/EC).…”

Section: Introductionmentioning

confidence: 99%

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The effect of grazing on the fatty acid profile of longissimus thoracis muscle in Galician Blond calves

Moreno¹,

Varela²,

Portela³

et al. 2007

Animal

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The objective of this work was to examine the effect of different levels of grazing on muscle nutritional fatty acid (FA) profile, including the beneficial n-3 polyunsaturated fatty acids (PUFA) and cis-9, trans-11 (cis-9, trans-11) 18:2 conjugated linoleic acid (CLA). Thirty male Galician Blond (GB) breed calves were randomly assigned to the following three grazing treatments: (1) continuous pasture grazing for 250 days (P); (2) 197-day grazing followed by a 50-day short period of concentrate-based finishing (PC) and (3) 57-day grazing followed by a 165-day long period of concentrate-based finishing (C). Calves kept sucking their mothers up to the time of slaughter. The slaughter weight was similar for all treatments (about 330 kg). Samples of the longissimus thoracis muscle were used for assessment of chemical composition by near infrared reflectance spectroscopy and FA profiles by gas chromatography. Muscle from C calves was fatter and had higher content in total FA, monounsaturated FA (MUFA), cis-9 18:1 than muscle from P calves, whereas PC muscle had generally intermediate values. No significant treatment difference for total saturated FAs (SFA) was found. Content of potentially beneficial n-3 PUFA (18:3n-3, 20:3n-3, 20:5n-3 and 22:6n-3), cis-9, trans-11 CLA and n-6:n-3 ratio were lower and PUFA : SFA ratio were higher in P than in both C and PC calves. Calves fed exclusively on pasture synthesised higher amounts of beneficial FA than calves finished on concentrate. A 50-day period of concentrate-based finishing was sufficient to offset the synthesis of beneficial FA from pasture grazing.

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Section: Fa Compositionsupporting

confidence: 94%

Section: Sfasupporting

confidence: 91%

Section: Pufasupporting

confidence: 91%

Section: Introductionmentioning

confidence: 99%

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The effect of grazing on the fatty acid profile of longissimus thoracis muscle in Galician Blond calves

Moreno¹,

Varela²,

Portela³

et al. 2007

Animal

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“…NIR calibrations have been developed using least squared regressions models based on the use of the fatty acid profile. Besides, the effectiveness of using methodologies based on the fatty acid profile of meat in order to differentiate production systems for young bulls (Moreno et al, 2006;Dias et al, 2008), lambs (Juárez et al, 2010) or goats (MelladoGonzález et al, 2009) has already been reported. In fact, Martínez et al (2013) proposed that a linear discriminant analysis using only 10 fatty acids of intramuscular fat is able to distinguish beef samples according to the type of finishing diet in bulls.…”

Section: Introductionmentioning

confidence: 99%

Fatty acid profile as a tool to trace the origin of beef in pasture- and grain-fed young bulls of Retinta breed

Horcada

López

Polvillo

et al. 2018

Span. j. agric. res.

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This research explores the possibility of using the fatty acid profiles of intramuscular fat to authenticate the origin of Retinta breed meat according to different feeding regimes based on the combined use of concentrate and grass or forage (GP, grass pasture; MC, medium concentrate; HC, high concentrate). Young bulls from GP (n=30) were reared on grass pasture and supplement with concentrate in controlled feeders; MC (n=30) and HC (n=15) were reared in farm buildings using 40 and 80% concentrate of total dry matter from diet, respectively. The stepclass function in R was used to perform a stepwise linear discriminant analysis including thirty fatty acids from intramuscular fat. Two fatty acids, 9c18:1 and 22:5 n-3 were selected as discriminators of the meat origin. Meat from the GP and MC was characterized by higher 22:5 n-3 (p<0.05), while HC meat showed higher 9c18:1 (p<0.05). The use of 9c18:1 and 22:5 n-3 fatty acids from intramuscular fat resulted in a correct assignation of 100% of beef samples to each of the feeding regimes. Therefore, in addition to serving as an effective tool for discriminating between feeding regimes in the origin of the beef, the fatty acid profile of intramuscular fat could help companies to check the authenticity of the meat origin.Additional keywords: pasture; concentrate supplement; discriminant analysis; gas chromatography.

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Application of direct analysis in real time ionization–mass spectrometry (DART–MS) in chicken meat metabolomics aiming at the retrospective control of feed fraud

et al. 2013

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Nutritional characteristics of veal from weaned and unweaned calves: Discriminatory ability of the fat profile

Cited by 45 publications

References 21 publications

The effect of grazing on the fatty acid profile of longissimus thoracis muscle in Galician Blond calves

The effect of grazing on the fatty acid profile of longissimus thoracis muscle in Galician Blond calves

Fatty acid profile as a tool to trace the origin of beef in pasture- and grain-fed young bulls of Retinta breed

Application of direct analysis in real time ionization–mass spectrometry (DART–MS) in chicken meat metabolomics aiming at the retrospective control of feed fraud

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