Procedures for measuring meat quality characteristics in beef production experiments. Report of a working group in the commission of the European communities' (CEC) beef production research programme

Boccard, R.; Buchter, L.; Casteels, E; Cosentino, E.; Dransfield, Eric; Hood, Daniel; Joseph, R.L.; MacDougall, Douglas B.; Rhodes, D. N.; Schön, I.; Tinbergen, B. J.; Touraille, Christian

doi:10.1016/0301-6226(81)90061-0

Cited by 230 publications

(63 citation statements)

References 4 publications

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“…Subsequently, meat pH was measured with a portable pH-meter (HANNA Instruments R , Inc., Woonsocket, RI, USA) equipped with a glass electrode (3 mm Ø conic tip) suitable for meat penetration. Instrumental colour determination was carried out on a fresh, unoxidised surface of the samples after exposure for 1 h to air at 28C (Boccard et al, 1981). A CR 100 Chromameter (Minolta Camera, Osaka, Japan) equipped with C illuminant was used and colour data were expressed according to the Hunter-Lab system.…”

Section: Measurementsmentioning

confidence: 99%

“…A CR 100 Chromameter (Minolta Camera, Osaka, Japan) equipped with C illuminant was used and colour data were expressed according to the Hunter-Lab system. Weight cooking losses were determined on 2.5 cm-thick steaks heated in a water bath at 758C for 50 min and cooled in running tap water for at least 40 min (Boccard et al, 1981). Ten meat cylindrical cores, 1.25 cm in diameter, were then excised from the cooked steak for the instrumental measurement of meat tenderness carried out using a WarnerBratzler shear force meter (Instron, High Wycombe, UK; Joseph, 1979).…”

Section: Measurementsmentioning

confidence: 99%

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Effect of dietary supplementation with different sources of selenium on growth response, selenium blood levels and meat quality of intensively finished Charolais young bulls

Cozzi

Prevedello

Stefani

et al. 2011

Animal

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The study aimed at comparing three strategies of supplementing selenium (Se) during the finishing period of Charolais young bulls:(1) administration of sodium selenite throughout the finishing (NaSe); (2) administration of an Se-enriched yeast strain (Saccharomyces cerevisiae NCYC R397) throughout the finishing (Se-Y); (3) administration of sodium selenite for 140 days replaced by Se-enriched yeast during the last 70 days of finishing (Switch). Eighty-four young bulls (mean initial BW 5 434.2 6 31.9 kg; mean age 5 382 6 52 days) were stratified by live weight and equally assigned to one of three Se treatments. Experimental groups were fed the same diets and the inclusion rate of the different treatments was targeted to achieve 0.3 mg of Se/kg of dry matter (DM) in the complete feed. The average daily gain of bulls was 1.36 kg/d and no differences due to Se treatment were recorded. Dry matter intake and feed conversion ratio were not affected by Se treatment resulting in, on average, 10.3 kg/d and 7.65, respectively. Repeated blood samples were taken at days 0, 120, 180 and 210 of finishing to assess the Se status of the animals. As compared to NaSe, both organic Se treatments (Se-Y and Switch) increased plasma Se in the last two sampling sessions according to a significant treatment 3 time interaction (P , 0.001). A similar trend was observed for serum total antioxidant status of the young bulls, whereas there was only a significant time effect (P , 0.001) on glutathione peroxidase activity that was raised by all Se treatments. The finishing period lasted 210 days and at the abattoir there were no differences across Se treatments in carcass weight and dressing percentage. A higher Se content in the Longissimus thoracis (LT) muscle was instead observed in Se-Y samples as compared with NaSe (0.85 v. 0.47 mg/kg DM; P , 0.05). Meat quality evaluation was carried out on LT samples after 6 and 11 days of ageing under a vacuum package. Regardless of ageing time, meat from young bulls supplemented with Se yeast had higher colour lightness (L*) values than those receiving NaSe (38.1 v. 36.6; P , 0.01) and showed a significant decrease in shear force (3.69 v. 4.22 kg/cm 2 ; P , 0.01). The outcomes of the study suggest that the provision of Se yeast throughout the finishing period is a strategy to increase the benefits of the replacement of sodium selenite with organic selenium in beef cattle.

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Section: Measurementsmentioning

confidence: 99%

Section: Measurementsmentioning

confidence: 99%

Effect of dietary supplementation with different sources of selenium on growth response, selenium blood levels and meat quality of intensively finished Charolais young bulls

Cozzi

Prevedello

Stefani

et al. 2011

Animal

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“…After weighing in duplicate about 200 mg DM of cereal diet or by-product one with (100 mg) or without PEG-4000 into calibrated syringes (100 ml), the pistons were lubricated with Vaseline to ease their sliding and to prevent escape of gas. Water holding capacity was evaluated as the cooking loss measured according to Boccard et al [5]. Meat samples (about 55 g) were weighed and held in plastic bags and then immersed in a water-bath at 75 °C until the internal temperature reached 75 °C as monitored with a thermocouple.…”

Section: Laboratory Analysesmentioning

confidence: 99%

Replacement of cereal grains by orange pulp and carob pulp in faba bean-based diets fed to lambs: effects on growth performance and meat quality

et al. 2001

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-Fourteen weaned lambs (43 days of age) were divided into two equal groups of seven animals and received two different diets. The experimental diet contained 10% of carob pulp and 10% of orange pulp associated to 54% of faba bean. The control diet contained 12% of maize meal and 12% of barley meal associated to 49.2% of faba bean. Both diets were pelletted and given ad libitum. The two diets had comparable contents of dry matter, ash, crude fat, fibre and crude protein. Control diet was relatively higher in soluble nitrogen than the experimental one. However, experimental diet was higher in fibre-bound nitrogen and in total and condensed tannins than control one. At the end of the feeding trial (120 d of age) growth and slaughter performance were comparable between treatments. Chemical analysis of meat samples did not show any significant difference between groups. Physical analysis of meat showed a higher (P < 0.05) lightness (L*) value in experimental group than in the control one. Sensory analysis allowed the panellists to discriminate lamb meat from the two groups. Flavour, tenderness and juiciness were judged to be more intense (P < 0.01) in the meat of control group; also overall acceptability was higher (P < 0.05) in this group. It was concluded that the replacement of cereal grains with carob and orange pulp in lamb fattening diet is useful to reduce feeding costs. Nevertheless, we need further investigations on the level of inclusion in the diet, in order to avoid the negative effects on sensory attributes without detrimental effect on growth performance.cereal grains / orange pulp / carob pulp / growth / meat quality / sheep Résumé -Remplacement des grains de céréales par la pulpe d'orange et la pulpe de caroube dans des régimes à base de féverole destinés aux agneaux. Effets sur la croissance et la qualité de la viande. Quatorze agneaux sevrés et âgés de 43 jours ont été répartis en deux lots homogènes. M. Lanza et al.22

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“…After ageing, meat samples were analysed for pH, DM, CP, ether extract and ash according to AOAC methods (2004). Meat colour was measured with a CR 100 Chromameter (Minolta Camera, Osaka, Japan) equipped with C illuminant on samples exposed to air for 1 h at 28C (Boccard et al, 1981). Colour data were expressed using the Hunter Lab system.…”

Section: Methodsmentioning

confidence: 99%

“…Colour data were expressed using the Hunter Lab system. Drip losses were measured as weight losses of the meat sample used for colour determination hung in a plastic bag at 48C for 24 h. Weight cooking losses were determined on 2.5-cm-thick steaks cooked in a water bath at 75 8C for 50 min and cooled in running tap water for 40 min (Boccard et al, 1981). Meat tenderness was instrumentally measured using a Warner Blatzer shear force meter (Instron Ltd, High Wycombe, UK) on cylindrical core samples of cooked meat 1.25 cm in diameter (Joseph, 1979).…”

Section: Methodsmentioning

confidence: 99%

Administration of dexamethasone per os in finishing bulls. I. Effects on productive traits, meat quality and cattle behaviour as indicator of welfare

Gottardo

Brščić

Pozza

et al. 2008

Animal

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The study investigated the effects of prolonged oral administration of dexamethasone at a low daily dosage of 0.75 mg/head per day (Dexa) on beef cattle productive traits, behaviour and meat quality. In all, 14 finishing Marchigiana bulls were used in a trial that begun 56 days prior to slaughter, of which six bulls received treatment from day 5 to day 53, whereas the remaining animals were used for Control. The animals treated showed an increased average daily gain (1515 v. 1177 g/head per day; P , 0.05; s.e.d. 5 48.54) and improved warm carcass dressing percentage (60.8% v. 59.7%; P , 0.05; s.e.d. 5 0.32). Behavioural observation did not permit a clear distinction between treated and Control animals since feeding and social behaviour were similar in both groups. The bulls treated spent less time lying (16.5% v. 34.6%; P , 0.05; s.e.d. 5 4.38) and grooming (6.7% v. 11.9%; P , 0.05; s.e.d. 5 1.23), and this may indicate poorer welfare. No evidence of treatment was observed in other carcass traits, and redness was the only meat quality parameter slightly affected by corticosteroid administration.

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Procedures for measuring meat quality characteristics in beef production experiments. Report of a working group in the commission of the European communities' (CEC) beef production research programme

Cited by 230 publications

References 4 publications

Effect of dietary supplementation with different sources of selenium on growth response, selenium blood levels and meat quality of intensively finished Charolais young bulls

Effect of dietary supplementation with different sources of selenium on growth response, selenium blood levels and meat quality of intensively finished Charolais young bulls

Replacement of cereal grains by orange pulp and carob pulp in faba bean-based diets fed to lambs: effects on growth performance and meat quality

Administration of dexamethasone per os in finishing bulls. I. Effects on productive traits, meat quality and cattle behaviour as indicator of welfare

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