Imaging technologies to study the composition of live pigs: a review
Image techniques are increasingly being applied to livestock animals. This paper overviews recent advances in image processing analysis for live pigs, including ultrasound, visual image analysis by monitoring, dual-energy X-ray absorptiometry, magnetic resonance imaging and computed tomography. The methodology for live pigs evaluation, advantages and disadvantages of different devices, the variables and measurements analysed, the predictions obtained using these measurements and their accuracy are discussed in the present paper. Utilities of these technologies for livestock purposes are also reviewed. Computed tomography and magnetic resonance imaging yield useful results for the estimation of the amount of fat and lean mass either in live pigs or in carcasses. Ultrasound is not sufficiently accurate when high precision in estimating pig body composition is necessary but can provide useful information in agriculture to classify pigs for breeding purposes or before slaughter. Improvements in factors, such as the speed of scanning, cost and image accuracy and processing, would advance the application of image processing technologies in livestock animals.
663/664 - Food and nutrition. Enology. Oils. Fat
Instituto Nacional de Investigación y Tecnología Agraria y Alimentaria
Is part of
Spanish Journal of Agricultural Research
Carabús, Anna, Marina Gispert, and Maria Font-i-Furnols. 2016. "Imaging Technologies To Study The Composition Of Live Pigs: A Review". Spanish Journal Of Agricultural Research 14 (3): e06R01. doi:10.5424/sjar/2016143-8439.
Grant agreement number
INIA/Programa Nacional de Proyectos de Investigación Fundamental/RTA2010-00014-00-00/ES/Evaluación 'in vivo' del crecimiento alométrico de los tejidos muscular y adiposo de los cerdos según la genética y el sexo mediante tomografía computerizada/
Qualitat i Tecnologia Alimentària
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- ARTICLES CIENTÍFICS 
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