Skip to main content
Log in

Live weight, carcass ultrasound images, and visual scores in Angus cattle under feeding regimes in Brazil

  • Regular Articles
  • Published:
Tropical Animal Health and Production Aims and scope Submit manuscript

Abstract

This study aimed to evaluate visual precocity, muscling, conformation, skeletal, and breed scores; live weights at birth, at 205, and at 550 days of age; and, besides, rib eye area and fat thickness between the 12th and 13th ribs obtained by ultrasound. Those traits were evaluated in 1,645 Angus cattle kept in five feeding conditions as follows: supplemented or non-supplemented, grazing native pasture or grazing cultivated pasture, and feedlot. Descriptive statistics, Pearson's correlations, and principal component analysis were carried out. Gender and feeding conditions were fixed effects, while animal's age and mother's weight at weaning were the covariates analyzed. Gender and feeding conditions were very significant for the studied traits, but visual scores were not influenced by gender. Animal's age and mother's weight at weaning influenced many traits and must be appropriately adjusted in the statistical models. An important correlation between visual scores, live weights, and carcass traits obtained by ultrasound was found, which can be analyzed by univariate procedure. However, the multivariate approach revealed some information that cannot be neglected in order to ensure a more detailed assessment.

This is a preview of subscription content, log in via an institution to check access.

Access this article

Price excludes VAT (USA)
Tax calculation will be finalised during checkout.

Instant access to the full article PDF.

Similar content being viewed by others

References

  • Araújo, R.O., Rorato, P.R.N.; Weber, T., Everling, D.M., Lopes, J.S., Dornelles, M.A. 2010 Genetic parameters and phenotypic and genetic trends for weight at weaning and visual scores during this phase estimated for Angus-Nellore crossbred young bulls. Revista Brasileira de Zootecnia 39, 2398–2408.

    Article  Google Scholar 

  • Berg, R.T., Butterfield, R.M., 1976. New concepts of cattle growth. Sydney University Press, Sydney, Australia.

    Google Scholar 

  • Blanco, M., Villalba, D., Ripoll, G., Sauerwein, H., Casasús, I., 2008. Effects of pre-weaning concentrate feeding on calf performance, carcass and meat quality of autumn-born bull calves weaned at 90 or 150 days of age. Animal 2, 779–789.

    Article  PubMed  CAS  Google Scholar 

  • Campos, L., 2011. PROMEBO - Programa de Melhoramento de Bovinos de Carne. Retrieved December, 29, 2011, from http://www.promebo.com.br/Manual.pdf

  • Cardoso, F. F., Cardellino, R.A., Campos, L.T. 2001 Fatores Ambientais sobre Escores de Avaliação Visual à Desmama em Bezerros Angus Criados no Rio Grande do Sul. Revista Brasileira de Zootecnia 30, 318–325.

    Article  Google Scholar 

  • Di Marco, O.N., 1994. Crecimiento y respuesta animal. AAPA, Balcarce, Argentina.

    Google Scholar 

  • Faria, C.U., Magnabosco, C.U., Albuquerque, L.G., Bezerra, L.A.F., Lobo, R.B., 2009. Avaliação genética de características de escores visuais de bovinos da raça Nelore da desmama até a maturidade. Revista Brasileira de Zootecnia 38,1191-1200.

    Article  Google Scholar 

  • Insausti, K., Beriain, M.J., Lizaso, G., Carr, T.R., Purroy, A., 2008. Multivariate study of different beef quality traits from local Spanish cattle breeds. Animal, 2, 447–458.

    Article  PubMed  CAS  Google Scholar 

  • Kahttree, R., Naik, D.N., 2000. Multivariate data reduction and discrimination with SAS® software. SAS Institute Inc. North Carolina, USA.

    Google Scholar 

  • Koury Filho, W., Albuquerque, l.G., Forni, S., Silva, J.A.V., Yokoo, M.J., Alencar, M.M., 2010. Estimativas de parâmetros genéticos para os escores visuais e suas associações com peso corporal em bovinos de corte. Revista Brasileira de Zootecnia 39, 1015–1022.

    Article  Google Scholar 

  • Pavan, E., Duckett, S.K., 2008. Corn oil or corn grain supplementation to steers grazing endophyte-free tall fescue. I. Effects on in vivo digestibility, performance, and carcass quality. Journal of Animal Science 86, 3215–3223.

    Article  PubMed  CAS  Google Scholar 

  • Queiroz, S.A., Oliveira, J.A., Costa, G.Z., Fries, L.A., 2011. Estimates of genetic parameters for visual scores and daily weight gain in Brangus animals. Animal, 5, 838–843.

    Article  PubMed  CAS  Google Scholar 

  • SAS Institute Inc 2004. SAS/STAT User's Guide: version 9.1. SAS Institute Inc., North Carolina, USA.

Download references

Author information

Authors and Affiliations

Authors

Corresponding author

Correspondence to Luís Fernando Batista Pinto.

Rights and permissions

Reprints and permissions

About this article

Cite this article

Pinto, L.F.B., Tarouco, J.U., Pedrosa, V.B. et al. Live weight, carcass ultrasound images, and visual scores in Angus cattle under feeding regimes in Brazil. Trop Anim Health Prod 45, 1281–1287 (2013). https://doi.org/10.1007/s11250-013-0358-7

Download citation

  • Accepted:

  • Published:

  • Issue Date:

  • DOI: https://doi.org/10.1007/s11250-013-0358-7

Keywords

Navigation