The effect of supplementation on the tissue composition of the commercial cuts of cross-bred F1 (Boer × SPRD) finished in native pasture

Silva, Rayana de Medeiros; Filho, José Morais Pereira; Silva, Anderson Luíz Nascimento da; Cézar, Marcílio Fontes; Silva, Aderbal Marcos de Azevêdo; Oliveira, Nadjanara Souza

doi:10.1590/s1516-35982010000600026

Cited by 5 publications

(4 citation statements)

References 13 publications

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“…Thus, successful livestock production requires the application of strategies that optimize the use of the environment and available nutrient sources so as to capitalize on the production potential of livestock. For the effective use of native pasture, supplementation is needed in order to meet the nutritional requirements of goats, especially for the small producer (Kanani, 2006;Silva et al, 2010).…”

Section: Introductionmentioning

confidence: 99%

Performance and carcass traits of Moxotó growing goats supplemented on native pasture under semiarid conditions

et al. 2014

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-The objective of the present study was to assess the growth performance and carcass traits of Moxotó goat kids fed different levels concentrate (supplement) (SL) on native pasture under semiarid conditions in Brazil. Thirty-two castrated kids (15.7±0.78 kg initial BW) were allocated randomly to one of the four SL (treatment groups: 0, 5, 10 and 15 g/kg BW). When the animals of treatment group 15 g/kg BW reached 25 kg BW, the animals in the other treatments groups were also slaughtered. Therefore, the animals belonging to the 0, 5, 10 and 15 g/kg of BW were finished with 18.40, 21.04, 22.94 and 25.74 kg of BW, respectively. The concentrate supplementation positively influenced the performance and the carcass traits of animals, providing higher feed intake and thus greater weight gain. The results of cold carcass yields were 405.9, 427.0, 449.1 and 462.9 g/kg of SBW for 0, 5, 10 and 15 g/kg BW, respectively. The weight of the different commercial cuts, (neck, ribs, shoulder, loin and leg) increased linearly as the SL increased; however the yields of the carcass cuts were not influenced, except for the shoulder. Overall, the distribution of non-carcass fat increased as SL increased, with the exception of mesenteric fat yield, which was not influenced. The use of concentrate supplementation to Moxotó goats under grazing conditions on native rangelands of the Brazilian semiarid improves the performance of animals and carcass yield, but does not affect the yields of commercial cuts of Moxotó growing goats.

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Section: Introductionmentioning

confidence: 99%

Performance and carcass traits of Moxotó growing goats supplemented on native pasture under semiarid conditions

et al. 2014

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“…Voltolini et al (2011) studied the yield of commercial cuts and non-carcass components of lambs receiving increasing levels of concentrate, kept on a buffelgrass pasture, and fed a diet formulated with 20% crude protein and 75% total digestible nutrients, and observed that this diet did not affect carcass weight, but influenced the carcass yield of these animals. Silva et al (2010) evaluated the effect of supplementation on the tissue composition of commercial cuts from F1 (Boer × mixed breed) crossbred goats finished on a native pasture, receiving supplementation levels (0.0, 0.5, 1.0, and 1.5% live weight, on a dry matter basis), and slaughtered at 25.12, 26.62, 28.56, and 29.19 kg, respectively, and observed that, as the supplementation levels were increased, slaughter weight also increased. Additionally, these authors observed an adequate degree of fatness at the supplementation levels of 1.0 and 1.5%, resulting in lower losses during the carcass cooling.…”

Section: Discussionmentioning

confidence: 99%

Substitution of soybean meal for urea in diets based on deferred buffelgrass hay for feedlot sheep

et al. 2018

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The objective of this study was to evaluate the effect of substituting soybean meal for urea in diets based on deferred buffelgrass on the performance of feedlot sheep. Thirty mixed-breed sheep with an average initial body weight of 17±1.5 kg were distributed in a completely randomized design in which the experimental treatments consisted of five diets with six replicates. Diets were composed of deferred buffelgrass plus concentrates and calculated to be isoproteic. Treatments were represented by the substitution of soybean meal for the urea levels (0, 25, 50, 75, and 100%). Nutrient intake did not differ among animals fed diets with urea levels. Hot and cold carcass weights, hot and cold carcass dressing percentages, initial and final pH, and weight of commercial cuts did not differ among animal fed diets with urea levels. There was no difference for non-carcass components among animals, except for the empty carcass, gall bladder, and perirenal fat weights, which were influenced by dietary urea levels. Substituting the crude protein from soybean meal for the protein from urea provides a similar performance in sheep consuming deferred buffelgrass.

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“…These gains resulted in lambs with a 28 kg average live body weight, which is equivalent to 10 kg carcasses, at 210 days of age. According to Silva et al (2010), these are the most accepted carcasses in the local market.…”

Section: Discussionmentioning

confidence: 99%

Comparison between lambs and goat kids meat production of animals fed Caatinga vegetation enriched with buffel (Cenchrus ciliaris L.) grass

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et al. 2018

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This study compared the performance and meat production of goat kids and lambs that were fed semi-arid Caatinga vegetation enriched with buffel grass (Cenchrus ciliaris L.). Twelve crossbred Boer × undefined breed goat kids and 12 Santa Inês lambs that had 20.7 kg of body weight (BW) were studied. Goat kids presented greater (P < 0.05) organic matter intake and digestibility, total gain, average daily gain (ADG) and perirrenal fat compared to lambs fed Caatinga vegetation enriched with buffel grass. However, the morphometric carcass measurements (external and leg length; chest and rump width; leg perimeter and chest circumference) were higher (P < 0.05) in lambs compared to those of goat kids. The crude protein and neutral detergent fiber intake and digestibility, cooling carcass loss, biological yield, empty body weight, hot carcass and cold carcass weights and yields, subcutaneous fat thickness, carcass compactness index and Longissimus dorsi area were similar (P > 0.05) between goat kids and lambs. Goat kids (crossbred Boer × undefined breed) more efficiently used Caatinga vegetation enriched with Cenchrus ciliaris L. than Santa Inês lambs; this vegetation improved nutrient intake, ADG and, consequently, feeding conversion. However, Santa Inês lambs presented higher carcass morphometric values.

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The effect of supplementation on the tissue composition of the commercial cuts of cross-bred F1 (Boer × SPRD) finished in native pasture

Cited by 5 publications

References 13 publications

Performance and carcass traits of Moxotó growing goats supplemented on native pasture under semiarid conditions

Performance and carcass traits of Moxotó growing goats supplemented on native pasture under semiarid conditions

Substitution of soybean meal for urea in diets based on deferred buffelgrass hay for feedlot sheep

Comparison between lambs and goat kids meat production of animals fed Caatinga vegetation enriched with buffel (Cenchrus ciliaris L.) grass

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