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Volume 57, issue 1
Arch. Anim. Breed., 57, 28, 2014
https://doi.org/10.7482/0003-9438-57-028
© Author(s) 2014. This work is distributed under
the Creative Commons Attribution 3.0 License.
Arch. Anim. Breed., 57, 28, 2014
https://doi.org/10.7482/0003-9438-57-028
© Author(s) 2014. This work is distributed under
the Creative Commons Attribution 3.0 License.

  29 Oct 2014

29 Oct 2014

Generalized procrustes analysis (GPA) as a tool to discriminate among sheep breeds

María Jesús Alcalde1, Isabel Moreno-Indias2, Alberto Horcada1, Antonio Molina3, and Manuel Juárez4 María Jesús Alcalde et al.
  • 1Departamento de Ciencias Agroforestales, Universidad de Sevilla, Sevilla, Spain
  • 2Unidad de Gestión Clínica de Endocrinología y Nutrición, Instituto de Investigación Biomédica de Málaga (IBIMA), Complejo Hospitalario de Málaga (Virgen de la Victoria), Universidad de Málaga, Ciber Fisiopatología de la Obesidad y Nutrición (CIBEROBN)
  • 3Departamento de Genética, Universidad de Córdoba, Cordoba, Spain
  • 4Lacombe Research Centre, Agriculture and Agri-Food Canada, Lacombe, Alberta, Canada

Abstract. Forty male lambs of five Southern Spanish breeds were used to study the effects of the breed in their sensorial characteristics. The used breeds were: Segureña, Spanish Merino, Grazalema Merino, Churra Lebrijana and Montesina breeds. Milk lambs were slaughtered at 12 kg of live weight. A descriptive sensory evaluation was developed using the longissimus lumborum from each animal by a panel of 12 experts and a Generalized Procrustes Analysis (GPA) was used to discriminate among them. Generalized Procrustes Analysis clearly differentiated Churra Lebrijana of out the rest breeds. Churra Lebrijana was defined as more tender, juicier and with less lamb odour than the rest of the Southern Spanish lamb breeds. Thus, GPA is able to discriminate among breeds.

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