Perfil de ácidos graxos de cadeia longa e qualidade da carne de novilhos terminados em confinamento com diferentes níveis de monensina sódica na dieta

Menezes, Luís Fernando Glasenapp de; Kozloski, Gilberto Vilmar; Restle, João; Deschamps, Fernando; Brondani, Ivan Luiz; Santos, Alexandre Leme Godoy dos; Fiamoncini, Jarlei

doi:10.1590/s0103-84782006000100028

Cited by 16 publications

(11 citation statements)

References 13 publications

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“…The latter authors reported results similar to this study (26.82%). These results suggest that castration and the dietary levels of concentrate affect cooking losses, which may be explained by the fact that the dietary energy level and castration increase adipose tissue deposition on the carcass (Euclides Filho et al, 2003), and there is a positive relationship between cooking losses and carcass fat levels (Menezes et al, 2006).…”

Section: Resultsmentioning

confidence: 88%

“…Menezes et al (2006) reported average cooking loss values of approximately 23% for crossbred Bos indicus animals fed a diet with approximately 48% concentrate. Ribeiro et al (2008) observed average values of 29.9% when studying Nellore bullocks.…”

Section: Resultsmentioning

confidence: 99%

“…Considering that there was no treatment effect on the carcass fat depth, no treatment effect on cooking losses would occur either because this type of loss is associated with marbling and intramuscular fat, which are deposited on the carcass after superficial fat deposition (Costa et al, 2002;Menezes et al, 2006).…”

Section: Resultsmentioning

confidence: 99%

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Carcass and meat traits of feedlot Nellore bulls fed different dietary energy sources

et al. 2016

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-The objective of this experimental study was to evaluate the effects of different dietary energy sources on the carcass and meat traits of feedlot Nellore bulls. A total of 48 Nellore bulls at 32 months of age with 354.35±19.56 kg body weight were studied for 85 days. The bulls were allotted to four groups of 12 individuals: Whole corn grain -diet based on whole corn grain; Ground corn -diet based on ground corn grain; Citrus pulp -diet based on citrus pulp; and Steam-flaked corn -diet based on steam-flaked corn. Diets did not influence carcass quality or meat quality. Average values for fat depth, rib eye area, shear force, total cooking losses, and carcass yield were 4.97 mm, 74.71 cm 2 , 5.85 kgf, 26.82%, and 52.0%, respectively. Based on the quantitative and qualitative analysis of this study, there is no restriction for the adoption of any of the tested diets in feedlots with Nellore bulls and the evaluated energy sources may be used to replace ground corn grain.

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Section: Resultsmentioning

confidence: 88%

Section: Resultsmentioning

confidence: 99%

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Carcass and meat traits of feedlot Nellore bulls fed different dietary energy sources

et al. 2016

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“…Da mesma forma, o teor de proteína total é pouco variável na carne bovina, sendo observado valores em torno de 20% da composição centesimal no músculo Longissimus sem a gordura de cobertura, independentemente da alimentação, raça, genótipo e condição fisiológica (SILVA et al, 2001;MENEZES et al, 2006;MOREIRA et al, 2003, ABRAHÃO et al, 2005, MARQUES et al, 2006. Na realidade, observou-se que independente da região anatômica em que se encontra o corte, o teor de proteína bruta ficou próximo do observado na literatura.…”

Section: Resultsunclassified

Composição química e perfil de ácidos graxos de cinco diferentes cortes de novilhas mestiças (Nelore vs Charolês)

Macedo

Prado

et al. 2008

Sem. Ci. Agr.

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ResumoO objetivo do presente estudo foi comparar a composição química e perfil de ácidos graxos entre acém, alcatra, contrafilé, coxão mole e patinho de novilhas cruzadas (½ Nelore vs ½ Charolês) terminadas em confinamento. O patinho, coxão mole e contrafilé apresentaram maior percentagem (P<0,05) de umidade (75, 19; 73,87 e 74,36%) e cinzas (1, 09; 1,08 e 1,13%) em relação ao acém (71,18 e 0,93%) e alcatra (71,58 e 1,07%), respectivamente. Por outro lado, as percentagens de lipídios totais do acém (7,40%) e alcatra (5,19%) foram superiores (P<0,05) aos observados no contrafilé (2,42%), coxão mole (1,76%) e patinho (1,69%). O colesterol total do acém (57,63 mg/100 g de músculo) foi superior (P<0,05) ao observado no contrafilé (49,71 mg/100 g de músculo) e coxão mole (46,55 mg/100 g de músculo). As percentagens de C 18:3 n-3, C 20:4 n-6, C 20:5 n-3, AGPI, n-6 e n-3 do patinho (0,98, 1,88, 0,74, 9,34, 7,61 e 1,73%) foram superiores (P<0,05) às observadas no acém (0,38, 1,13; 0,39; 4,22; 3,45 e 0,77%) e contrafilé (0,53; 0,93; 0,26; 5,16; 4,37 e 0,79%), respectivamente. Desta forma, os cortes que apresentaram menores riscos à saúde humana com relação ao perfil de ácidos graxos, foram o contrafilé, o coxão mole e o patinho. Palavras-chave: Carne, confinamento, cortes, novilhas, qualidade de carne AbstractThis work was carried-out to study the chemical composition and fatty acids profile among chuck, rump, striploin, topside and knuckle from crossbred (½ Nellore x ½ Charolais) heifers finished in feedlot. The knuckle, striploin and topside showed higher (P<0.05) moisture (75.19, 73.87 e 74.36%) and ash contents (1.09; 1.08 and 1.13%) than the chuck (71.18 e 0.93%) and rump (71.58 e 1.07%), respectively. On the other hand, lipid contents of chuck (7.40%) and rump (5.19%) were higher (P<0.05) than striploin (2.42%), topside (1.76%) and knuckle (1.69%). The chuck cholesterol content (57.63mg/100 g of muscle) was higher (P<0.05) than striploin (49.71mg/100 g of muscle) and topside (46.55mg/100 g of muscle). The knuckle percentages of C 18:3 n-3 (0.98%), C20:4n-6 (1.88%), C 20:5 n-3 (0.74%), AGPI (9.34%), n-6 (7.61%) and n-3 (1.73%) were higher (P<0.05) than the values observed on knuckle (0.38; 1.13; 0.39, 4.22; 3.45 and 0.77%) and striploin (0.53; 0.93; 0.26; 5.16; 4.37 and 0.79%). The cuts that would present lower risk to human health, in relation to fatty acids, would be the striploin, topside and knuckle.

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“…Feed additives can be used to improve the digestive efficiency of the diet, control fermentation and maintain a stable ruminal pH. The use of additives has been widely studied (STOCK et al, 1995;MENEZES et al, 2006;ELLIS et al, 2012), and additives are in frequent use; however, the use of some antibiotics such as monensin and salinomycin has been banned by the European Union, intensifying the search for alternatives to decrease the risk of metabolic disorders.…”

Section: Introductionmentioning

confidence: 99%

Use of calcareous algae and monensin in Nellore cattle subjected to an abrupt change in diet

et al. 2016

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Additives are used in high concentrate diets to prevent metabolic disorders in cattle. This study was designed to evaluate the effect of calcium sources and monensin on the control of ruminal acidosis in Nellore cattle that were abruptly shifted to a high (92.3%) concentrate diet. Eight cannulated steers were randomly assigned to two contemporary 4x4 Latin square. Treatments involved the addition of a calcium source, either limestone (LI) or a product derived from calcareous algae (CA), to the basic diet with or without the presence of monensin. Calcareous alga (Lithothamnium calcareum) is a natural and renewable product and a source of calcium carbonate. The quantity of added limestone, calcareous algae and monensin was 7.1g kg-1, 7.4g kg-1 and 30mg kg-1 DM, respectively. There was no effect of calcium source (P=0.607) or monensin (P=0.294) on feed intake or on the concentration of short chain fatty acids. Treatments with calcareous algae resulted in a higher mean ruminal pH (P=0.039), a shorter amount of time with the ruminal pH under 5.2 (P<0.001) and a better control of blood pH (P=0.006). Treatments with monensin also resulted in a shorter amount of time with the ruminal pH below 5.2 (P=0.023). Calcareous algae were shown to be effective in controlling adverse changes in the rumen and in blood variables for Nellore cattle that were subjected to an abrupt change to a high concentrate diet.

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Perfil de ácidos graxos de cadeia longa e qualidade da carne de novilhos terminados em confinamento com diferentes níveis de monensina sódica na dieta

Abstract: RESUMO Foi avaliada a composição química e a qualidade da carne de 48 novilhos das raças Charolês

Cited by 16 publications

References 13 publications

Carcass and meat traits of feedlot Nellore bulls fed different dietary energy sources

Carcass and meat traits of feedlot Nellore bulls fed different dietary energy sources

Composição química e perfil de ácidos graxos de cinco diferentes cortes de novilhas mestiças (Nelore vs Charolês)

Use of calcareous algae and monensin in Nellore cattle subjected to an abrupt change in diet

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