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Bioimpedance as a Non-Invasive Method to Evaluate Eggs and Poultry

Klein, D. R; Vale, M. M; Silva, L. P; Santos, J. P. A; Branco, T; Fernandes, M. O.
R. bras. Ci. avíc.; 18(2): 203-208, apr.-jun. 2016. tab, graf
Artigo em Inglês | VETINDEX | ID: vti-338229


The need to comply with animal welfare has motivated the research for non-invasive methods that allow the evaluation of poultry and eggs to be painless while providing accurate measurements. In this scenario, bioelectrical impedance was tested as a minimally invasive tool for sexing day-old chicks of two different chicken strains and for evaluating the quality of eggs submitted to different days of storage relative to their hatchability. The resistance and phase angle measured allowed the differentiation between chicken strains, but not between sexes. Eggs stored for seven days showed higher resistance and lower phase angle those stored for only one day. Although the bioimpedance method seems to be a promising method to evaluate egg and chick quality, the results of the present study suggest that further studies are needed to validate its utilization, particularly in terms of electrode type and positioning, as well as for the determination of which electrodes and equipment are best suited for different evaluation purposes. (AU)
Biblioteca responsável: BR68.1
Localização: BR68.1