Cruzamento industrial sobre as características de carcaça e da carne de novilhas precoces

Souza, Vera Lúcia Ferreira de; Ayer, Ilan Munhoz; Gasparino, Eliane; Cardozo, Rejane Machado; Barbosa, Maria José Baptista; Saddi, Lígia Grisolia do Carmo

doi:10.4025/actascianimsci.v32i4.6852

Cited by 3 publications

(5 citation statements)

References 18 publications

(26 reference statements)

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“…Therefore, in industrial crossings, European breeds, which have higher weight gain and greater carcass and meat qualities, are typically recommended for use in the paternal line. Regarding the maternal line, zebu breeds have been shown to exhibit adaptations to tropical environments, robustness, and lower maintenance requirements (de Souza et al, 2010). Perotto et al (2000) confirmed that crosses between European and zebu breeds resulted in greater weight and improved meat quality in these animals.…”

Section: Introductionmentioning

confidence: 60%

Carcass and meat quality traits in Nellore and F1 Nellore-Araguaia crosses

Costa¹,

Aboujaoude²,

Vieira³

et al. 2015

Genet. Mol. Res.

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ABSTRACT. We evaluated and compared carcass traits and meat quality in Nellore cattle and F1 crosses between Nellore and Araguaia, where 17 individuals were from the Nellore group and 19 were ½ Nellore and ½ Araguaia crosses. All animals belonged to the same birth season and were raised in pasture systems under the same nutritional, environmental, and management conditions. When the animals reached slaughter weight, they were taken to an industrial slaughterhouse where food was not provided for 24 h (free access to water); they were then stunned, bled, the leather was removed, and they were eviscerated. The carcasses were weighed (hot weight), kept in chilled storage for approximately 24 h at 4°C, and weighed again to obtain the chilled carcass weight. Carcass yield, carcass length, carcass width, leg length, N.V. Costa et al. 5380©FUNPEC-RP www.funpecrp.com.br Genetics and Molecular Research 14 (2): 5379-5389 (2015) thigh perimeter, loin eye area (LEA), retail cuts, cooling loss, pH, fat depth, marbling rate, intramuscular fat, color, and shear force were analyzed and sensory analysis of the meat was conducted. Significant differences (P < 0.05) were observed for the following variables: slaughter weight, hot and chilled carcass weights, carcass and leg lengths, thigh perimeter, LEA, retail cuts, and lightness (L*), where the ½ Nellore ½ Araguaia individuals showed higher means for all of these traits, except leg length and L*. Therefore, crossbreeding between Nellore and Araguaia did not affect the meat's sensory characteristics, but contributed to an improvement in carcass traits, providing an alternative for farmers that aim for good meat quality, with a higher meat percentage.

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Section: Introductionmentioning

confidence: 60%

Carcass and meat quality traits in Nellore and F1 Nellore-Araguaia crosses

Costa¹,

Aboujaoude²,

Vieira³

et al. 2015

Genet. Mol. Res.

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“…Portanto, nos cruzamentos industriais, normalmente tem-se recomendado como linha paterna o uso de raças europeias, que apresentam bom ganho de peso e boas qualidades de carcaça e de carne. Além disso, com relação à linha materna, as raças zebuínas têm sido indicadas por apresentar melhor adaptação ao ambiente tropical, rusticidade e menores exigências de mantença (SOUZA et al, 2010).…”

Section: Lista De Tabelasunclassified

“…O consumidor, quando faz a opção de escolher e pagar um preço diferenciado por uma marca, exige o fornecimento de produtos com padronização das características de qualidade. As exigências, também, são cada vez maiores no mercado externo, em relação ao padrão de qualidade, certificando fornecedores que possam ofertar carcaças com características semelhantes como: peso dos cortes comerciais, cobertura de gordura, maciez, marmoreio, entre outros (SOUZA et al, 2010).…”

Section: Características De Carcaça E Qualidade Da Carneunclassified

“…Entretanto, a carne bovina não possui o padrão de qualidade desejado e concorre com as de outras espécies (suíno e frango), que apresentam constância em sua qualidade" (BRONDANI et al, 2006). "A padronização da matéria-prima é a principal base para garantir qualidade, e esta ligada à genética dentro dos sistemas de nutrição e manejo adotados" (SOUZA et al, 2010).…”

Section: Características De Carcaça E Qualidade Da Carneunclassified

“…Porém, para continuar ganhando mercados é necessário, cada vez mais, garantir um padrão de qualidade, volume e regularidade de fornecimento. A padronização de matérias-primas e processos devem ser sistematizados e executados permanentemente, para atingirmos os padrões de qualidade exigidos pelo mercado (SOUZA et al, 2010).…”

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Características de carcaça e qualidade da carne de bovinos nelore e F1 Nelore - Araguaia

Costa¹

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À Deus pela vida, pela saúde e pelas oportunidades colocadas em minha vida.Ao Divino Pai Eterno por sempre iluminar o meu caminho e auxiliar em minhas escolhas.Ao professor Robson Carlos Antunes, meu amigo e orientador, pelas sábias orientações, pela disponibilidade em ajudar e pela realização deste trabalho, que sem ele não teria sido concretizado, pelo apoio ao longo de toda essa caminhada, pela dedicação e por ter acreditado em mim.À professora Maria Célia Lopes Torres, pela disponibilidade em ajudar, ensinar e pela amiga que se tornou ao longo da nossa parceria.Ao Raul Almeida Moraes Neto pela disponibilização dos animais usados no experimento, sem sua ajuda, apoio e ensinamentos essa caminhada seria bem mais árdua.

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Production and hematological parameters of heifers ½ Angus ½ Nellore raised in integrated livestock-forestry system

Gonçalves

Andrighetto

Mateus

et al. 2023

Preprint

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The objective of this study was to evaluate the effect of integrated livestock-forestry system (ILF) in the performance, thermal comfort, hematological and hormonal parameters of ½ Angus ½ Nellore heifers, in summer. Thirty-two heifers were distributed in randomized block design with two treatments and four replications. The treatments were: CPS: Conventional pasture system without trees; ILF: integrated livestock-forestry system with eucalyptus planted in triple lines (386 eucalyptus ha− 1). Forage dry mass (FDM), bromatological and morphological analysis of Marandu palisadegrass, animal performance, ambient temperature (TA), relative humidity (RH), and humidity index (THI), respiratory rate (RR), blood count and hormonal parameters were evaluated. FDM, stem, senescent material and dry matter were lower in the ILF (P < 0.05). The crude protein was high in ILF (P < 0.05). There were no significant difference for final weight and average daily gain between treatments (P > 0.05). The stocking rate and weight gain per area were higher in CPS (P < 0.05). The TA, RH, THI and RR were better in the ILF (P < 0.05). The leukocytes and albumin were higher in the ILF (P < 0.05). There were no significant difference between the treatments for T3, T4 and cortisol (P < 0.05). The ILF reduces FDM depending on shading and promotes relevant changes in the morphological and bromatological composition, but it is not able to change the performance of heifers. The arboreal component improves the thermal comfort indexes, which is reflected in the RR and in the greater number of leukocytes and albumin, showing that ILF is important for the heifers welfare.

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Cruzamento industrial sobre as características de carcaça e da carne de novilhas precoces

Cited by 3 publications

References 18 publications

Carcass and meat quality traits in Nellore and F1 Nellore-Araguaia crosses

Carcass and meat quality traits in Nellore and F1 Nellore-Araguaia crosses

Características de carcaça e qualidade da carne de bovinos nelore e F1 Nelore - Araguaia

Production and hematological parameters of heifers ½ Angus ½ Nellore raised in integrated livestock-forestry system

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