Avaliação da suplementação concentrada em pastagem de Tifton-85 sobre os componentes não carcaça de cordeiros

Carvalho, Sérgio; Vergueiro, André; Kieling, Roberto; Teixeira, Regina Cánovas; Pivato, Josane; Viero, Renan; Cruz, Alex Nunez da

doi:10.1590/s0103-84782005000200030

Cited by 17 publications

(17 citation statements)

References 4 publications

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“…Frescura et al (2005) found average values for head weight of 1.013 kg and 1.31 kg for blood of crossbred lambs in confinement. Carvalho et al (2005), working with crossbred animals and different levels of supplementation (% weight) on pasture and slaughtered at 28 kg, found weight of head of 1.116 kg and 1.194 kg for 0% and 2.5%, supplementation and weight of blood of 1.028 kg for 0% and 1.326 kg for 2.5% supplementation, similar to the values found in this work.…”

Section: Resultssupporting

confidence: 87%

“…The degradation rate can be influenced by dry matter, as well as cellular and soluble carbohydrate content. Carvalho et al (2005), working with crossbred animals with different levels of supplementation (% weight) on pasture found that the proportions of full guts (9.17 kg for 0% and 6.925 kg for 2.5% supplementation), empty guts (2.609 kg to 2.537 kg for 0 to 2.5% supplementation) and gastrointestinal contents (6.561 kg to 4.352 kg for 0 to 2.5% supplementation) decreased slowly as the level of concentrate supplementation increased.…”

Section: Resultsmentioning

confidence: 99%

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Performance and carcass traits of Santa Inês lambs finished with different sources of forage

Menezes

Louvandini²,

Esteves

et al. 2013

R. Bras. Zootec.

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-The objective of this study was to evaluate performance and biometrics of lambs fed different sources of forage. Twenty-four six-month-old Santa Inês female lambs were randomly allocated to four experimental diets and housed in individual stalls. They weighed on average 26.35±0.20 kg. The diets were coast cross hay (HAY), cassava hay (CAS), dehydrated by-product of pea crop (PEA) and saccharin (SAC). The diets were formulated with the same amount of protein and energy with fixed levels of forage (60%) and concentrate (40%). Adaptation to the diet took 7 days, with 45 days on experiment. Weights and biometric measurements were obtained every fortnight and feed intake three times a week. Rights half-carcasses were weighed and sectioned into retail cuts, rib, loin, shoulder, belly, neck and leg, which were weighed individually. Weight gain in lambs was significantly different between diets, with those fed saccharin gaining more. Overall, treatments did not significantly affect biometric measurements. There was a significant difference for feed intake and live weight at the end of the experiment. Animals fed PEA and SAC showed the best results. Average positive correlations were found between biometric measurements and live weight. Treatment PEA had heavier hot (14.36 kg) and cold (14.01 kg) carcass weights than the other groups. Hot carcass kill-out was higher for animals fed PEA as well as ham weight, belly, neck and heart girth. The weight of the abdominal viscera (%) for lambs fed CAS was greater than those fed SAC and PEA. The weights of the thoracic viscera as well as the liver, for lambs fed PEA were higher. The by-product of pea yielded best results, followed by saccharin, and can replace traditional forage sources in the region, providing similar results in terms of cuts and body components. These could be an alternative for feeding sheep in the dry season. The substitution of forages using by-product of pea and saccharin led to improved productivity over the coast-cross hay available in the Federal District -Brazil.

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Section: Resultssupporting

confidence: 87%

Section: Resultsmentioning

confidence: 99%

Performance and carcass traits of Santa Inês lambs finished with different sources of forage

Menezes

Louvandini²,

Esteves

et al. 2013

R. Bras. Zootec.

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show abstract

“…Interestingly, non-carcass components represented nearly 50% compared with the EBW, which is consistent with Carvalho et al (2005), who affirmed that non-carcass components might account for more than 50% of the live weight of the animals, and this percentage is influenced by factors such as diet and other parameters responsible for the variation in the live weight of animals. Also, 28.43% of edible non-carcass components were obtained, which is very similar to the 26.94% obtained by Medeiros et al (2008), who assessed the effects of concentrate levels on non-carcass components of Morada Nova ovines in feedlot.…”

Section: Resultssupporting

confidence: 86%

Carcass characteristics and body components of Santa Inês lambs in feedlot fed on different levels of forage cactus meal

Santos¹,

Cézar²,

Sousa

et al. 2011

R. Bras. Zootec.

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-The objective of this study was to evaluate the effect of the replacement of a ground corn diet by a forage cactus meal diet on the carcass characteristics and body components of Santa Inês lambs finished in feedlot. This study was carried out at Estação Experimental de Pendência, belonging to Empresa de Pesquisa Agropecuária da Paraíba S.A. (EMEPA-PB).Forty Santa Inês male lambs in feedlot were used in the experiment. Treatments were randomly assigned to the animals according to a completely randomized design, with four treatments, which consisted of growing replacement levels of ground corn by forage cactus meal: 0, 33, 66 and 100% of substitution and ten replications (lambs). Animals were slaughtered, and the following characteristics were evaluated: body weight, empty body weight, hot carcass weight, cold carcass weight, non-carcass components (NCC), hot carcass yield, cold carcass yield, biological yield, revenue of non components of carcass, revenues of non-carcass components, relative weight and relative value of the commercial cuts, viscera and organs' yield. Averages were submitted to analysis of variance and regression analyses at a 5% level of probability. The replacement levels of ground corn by forage cactus meal had no influence on biological yield, revenue of the non components of carcass, relative weight and relative value of the prime and choice cuts or on the relative weight of viscera and organs. The replacement of ground corn by forage cactus meal, on the ration given to Santa Ines lambs in feedlot does not impact the biological yield, relative weight and relative value of prime and choice cuts or the relative weight of viscera and other organs.

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“…Non-carcass body components are important parts that should be studied more carefully, especially because they infl uence the yield of the edible parts of the animal that are economically valuable and because some components are directly related to basal metabolism. According to CARVALHO et al (2005), the relative weight of non-carcass components ranges from 40 to 60% of live weight. This proportion is infl uenced by genetics, age, live weight, sex, type of birth and diet.…”

Section: Introductionmentioning

confidence: 99%

Allometric growth of non-carcass components in crossed lambs

et al. 2014

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Avaliação da suplementação concentrada em pastagem de Tifton-85 sobre os componentes não carcaça de cordeiros

Cited by 17 publications

References 4 publications

Performance and carcass traits of Santa Inês lambs finished with different sources of forage

Performance and carcass traits of Santa Inês lambs finished with different sources of forage

Carcass characteristics and body components of Santa Inês lambs in feedlot fed on different levels of forage cactus meal

Allometric growth of non-carcass components in crossed lambs

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