Web of Science: 3 citas, Scopus: 3 citas, Google Scholar: citas,
Sex Differences in Group Composition and Habitat Use of Iberian Free-Range Pigs
Dalmau Bueno, Antoni (Institut de Recerca i Tecnologia Agroalimentàries. Centre de Recerca en Sanitat Animal)
Martínez-Macipe, Míriam (Institut de Recerca i Tecnologia Agroalimentàries. Centre de Recerca en Sanitat Animal)
Manteca Vilanova, Xavier (Universitat Autònoma de Barcelona. Departament de Ciència Animal i dels Aliments)
Mainau, Eva (Universitat Autònoma de Barcelona. Departament de Ciència Animal i dels Aliments)

Fecha: 2020
Resumen: The aim of the present work was to study group size, group composition and habitat use of Iberian pigs along the year when reared outdoor. This consists of a regimen in which animals are reared free range from 2 months of age until at least 14 months of age. In a first stage, animals are supplemented with concentrates, and in a second, called montanera, pigs eat just natural resources in areas with no more than two pigs per hectare. In these systems, males are castrated to avoid boar taint and females spayed to avoid the attraction and mounting by wild boars. The study was carried out in five different farms allocated in the south-west of Spain during 2 consecutive years, from March 2012 to February 2014, under the montanera regimen, and with a total of 995 animals observed (498 males and 497 females). The data were analyzed with SAS by means of general models and proc mixed. Mean group size along the year was of 17 ± 12. 9 individuals, but this was significantly lower (P < 0. 05) during the montanera (12 ± 0. 8) and at midday (13 ± 0. 8). Groups were bigger (P < 0. 05) when they were more than 50 m from a tree (23 ± 1. 8), or <10 m from the shelter (25 ± 1. 5), the feeding area (31 ± 3. 1) and the water-bath area (25 ± 1. 5). Nine percent of the groups were solitary animals, being higher (P = 0. 0286) during the montanera (11%) than the rest of the year (8%) and being formed in 68% by males. Males were less involved in mixed groups than were females (75% vs. 91%), especially in spring, where the largest (P < 0. 0001) male groups were found. Female groups were less frequent and smaller (P < 0. 0001) than were male and mixed groups. In conclusion, although males were castrated at a very young age, they showed a different behavior than females, forming in bachelor groups during the spring and being less involved in mixed groups and with more solitary animals. During the montanera, when animals were feeding on acorns and other natural resources, groups were smaller and closer to the trees, solitary males reaching a maximum percent.
Nota: Altres ajuts: Instituto Nacional de Investigación y Tecnología Agraria y Alimentaria (INIA-RTA2010-00062-CO2).
Derechos: Aquest document està subjecte a una llicència d'ús Creative Commons. Es permet la reproducció total o parcial, la distribució, la comunicació pública de l'obra i la creació d'obres derivades, fins i tot amb finalitats comercials, sempre i quan es reconegui l'autoria de l'obra original. Creative Commons
Lengua: Anglès
Documento: Article ; recerca ; Versió publicada
Materia: Behavior ; Habitat ; Iberian ; Outdoor ; Pig ; Population structure ; Sex differences
Publicado en: Frontiers in Veterinary Science, Vol. 7 (december 2020) , ISSN 2297-1769

DOI: 10.3389/fvets.2020.600259
PMID: 33344534


11 p, 873.2 KB

El registro aparece en las colecciones:
Documentos de investigación > Documentos de los grupos de investigación de la UAB > Centros y grupos de investigación (producción científica) > Ciencias de la salud y biociencias > Centre de Recerca en Sanitat Animal (CReSA-IRTA)
Artículos > Artículos de investigación
Artículos > Artículos publicados

 Registro creado el 2022-02-07, última modificación el 2023-10-01



   Favorit i Compartir