Immunocastration improves carcass traits and beef color attributes in Nellore and Nellore×Aberdeen Angus crossbred animals finished in feedlot

Miguel, Giulianna Z.; Faria, Marcelo Henrique de; Roça, R. O.; Santos, Carolina Toledo; Suman, Surendranath P.; Faitarone, Ana Beatriz Garcia; Delbem, Nara Laiane Casagrande; Girão, Lúcio Vilela Carneiro; Homem, Juliana M.; Barbosa, Erika K.; Su, Leticia Silmán; Resende, Flávio Dutra de; Siqueira, Gustavo Rezende; Moreira, Andréia Luciane; Savian, Taciana Villela

doi:10.1016/j.meatsci.2013.08.030

Cited by 70 publications

(62 citation statements)

References 49 publications

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“…When used in a feedlot system, immunocastration has been shown to improve carcass traits and beef colour attributes in comparison to surgical castrated and intact bulls, respectively (Miguel et al, 2014). Meat from immunocastrated cattle showed greater redness and lower darkness than intact bulls, which could indicate a possible advantage with regards to retailing.…”

Section: Cattlementioning

confidence: 98%

“…Thus, the flexibility with regards to when immunocastration is applied can allow the manipulation of carcass traits in bulls of varying maturity types. Positive results have been experienced with regards to applying immunocastration to Bos indicus and Bos indicus crossbred cattle in both extensive and feedlot systems (Amatayakul-Chantler et al, 2012;Amatayakul-Chantler et al, 2013;Miguel et al, 2014). Immunocastrated bulls appear to have greater development in the hindquarter than steers and bulls, indicated by an increase in the leg perimeter of the hindquarter (Miguel et al, 2014) and thus a higher proportion of economically important cuts.…”

Section: Cattlementioning

confidence: 99%

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Castration of male livestock and the potential of immunocastration to improve animal we

Needham¹,

Lambrechts²,

Hoffman³

2017

SA J. An. Sci.

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Growing consumer awareness about animal welfare has led to the assessment of the impact of common farming practices, such as physical castration, on animal well-being under production conditions. Physical castration is used in livestock industries to prevent indiscriminate breeding, control aggression, and improve meat and carcass quality. In terms of animal welfare, physical castration causes pain, decreased growth performance, infection, and mortality. An alternative approach to castration is thus warranted that will ensure optimal growth without compromising the castrated animal's wellbeing. Immunocastration has proved to be an effective method of suppressing the development and functioning of the reproductive system in various domesticated and wildlife species. The effect of immunocastration on production performance is welldocumented for both swine and cattle. Although ram lambs used for meat production are often physically castrated, information regarding the potential application of immunocastration in sheep is limited. However, immunocastration may potentially improve the welfare, performance, and meat quality of ram lambs used in commercial meat production systems. The purpose of this review is to compare the application and the effects of immunocastration on male livestock to highlight and motivate the need for further research into its use on ram lambs.

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Section: Cattlementioning

confidence: 98%

Section: Cattlementioning

confidence: 99%

Castration of male livestock and the potential of immunocastration to improve animal we

Needham¹,

Lambrechts²,

Hoffman³

2017

SA J. An. Sci.

View full text Add to dashboard Cite

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“…Resultados similares para peso de carcaça quente (PCQ) foram encontrados por Miguel et al (2014) em animais Nelore NC, CC e IC. Entretanto, os mesmos autores reportam que animais NC não apresentaram diferença no rendimento de carcaça (RC) comparado com animais CC e IC.…”

Section: Análises Estatísticasunclassified

“…Nos animais CC, a castração foi realizada aos 12 meses de idade, retirando a função testicular e seu efeito anabólico, e por isso os animais Alguns trabalhos não observaram efeito na deposição de gordura nas carcaças avaliadas por ultrassonografia em animais terminados em confinamento entre as três condições sexuais (COOK et al, 2000;RIBEIRO et al, 2004;AMATAYAKUL-CHANTLER et al, 2013;MIGUEL et al, 2014 R. Ashmore et al, 1973;C. R. Ashmore et al, 1972;Lawrie, 1958) Os resultados encontrados no nosso estudo, foram similares aos observados por Miguel et al (2014) CARPENTER, 1978;MORGAN et al, 1993;KOOHMARAIE, 1994;EILERS et al, 1996).…”

Section: Características De Carcaça Avaliadas Por Ultrassomunclassified

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Efeito da condição sexual sobre o desempenho, características de carcaça e qualidade de carne de <i>Bos indicus</i> (Nelore) confinados

Gómez¹,

Fernando²

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Current trends in mass spectrometry of peptides and proteins: Application to veterinary and sports‐doping control

Broek

Blokland

Nessen

et al. 2013

Mass Spectrometry Reviews

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Detection of misuse of peptides and proteins as growth promoters is a major issue for sport and food regulatory agencies. The limitations of current analytical detection strategies for this class of compounds, in combination with their efficacy in growth-promoting effects, make peptide and protein drugs highly susceptible to abuse by either athletes or farmers who seek for products to illicitly enhance muscle growth. Mass spectrometry (MS) for qualitative analysis of peptides and proteins is well-established, particularly due to tremendous efforts in the proteomics community. Similarly, due to advancements in targeted proteomic strategies and the rapid growth of protein-based biopharmaceuticals, MS for quantitative analysis of peptides and proteins is becoming more widely accepted. These continuous advances in MS instrumentation and MS-based methodologies offer enormous opportunities for detection and confirmation of peptides and proteins. Therefore, MS seems to be the method of choice to improve the qualitative and quantitative analysis of peptide and proteins with growth-promoting properties. This review aims to address the opportunities of MS for peptide and protein analysis in veterinary control and sports-doping control with a particular focus on detection of illicit growth promotion. An overview of potential peptide and protein targets, including their amino acid sequence characteristics and current MS-based detection strategies is, therefore, provided. Furthermore, improvements of current and new detection strategies with state-of-the-art MS instrumentation are discussed for qualitative and quantitative approaches.

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Immunocastration improves carcass traits and beef color attributes in Nellore and Nellore×Aberdeen Angus crossbred animals finished in feedlot

Cited by 70 publications

References 49 publications

Castration of male livestock and the potential of immunocastration to improve animal we

Castration of male livestock and the potential of immunocastration to improve animal we

Efeito da condição sexual sobre o desempenho, características de carcaça e qualidade de carne de <i>Bos indicus</i> (Nelore) confinados

Current trends in mass spectrometry of peptides and proteins: Application to veterinary and sports‐doping control

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