To Provide a Double Feeder in Growing Pigs Housed under High Environmental Temperatures Reduces Social Interactions but Does Not Improve Weight Gains
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Autor/a
Duarte Borges, Tâmara
Huerta-Jimenez, Mariana
Casal, Nicolau
Fecha de publicación
2020-11-30ISSN
2076-2615
Resumen
Heat stress and competition for food are two major challenges in pigs reared in intensive
conditions. The aim of the present work was to study the e ect of providing a double feeder for pigs
reared under two di erent environmental temperatures. In addition, two types of flooring, of 100%
slat and 30% slat 70% concrete, were also considered. A total of 256 pigs in the growing-finishing
period (from 27 kg to 110 kg) were housed using two environmental temperatures: control (from 18 C
to 25 C) and heat stress (above 30 C six hours a day). They were housed in 32 pens of 8 pigs each,
distributed into 4 rooms (16 with one feeder and 16 with two). Pigs subjected to temperatures above
30 C up to six hours had lower body weight gains than pigs subjected to a maximum temperature of
25 C, confirming that thermal stress negatively a ects performance in pigs. In addition, heat stress
a ected the final product by decreasing the lean percentage of carcasses by 2.6%. A double feeder
reduced the presence of negative social behavior, especially in the feeding area, but body weight was
lower than when one single feeder was used. A 30% slat 70% concrete floor showed better results in
the pig stress indicators and body weights than 100% slat. It is concluded that providing a double
feeder in the pens, although reducing the presence of negative social interactions, negatively a ected
body weight, in comparison to pigs fed with just one feeder.
Tipo de documento
Artículo
Versión del documento
Versión publicada
Lengua
English
Materias (CDU)
636 - Explotación y cría de animales. Cría del ganado y de animales domésticos
Páginas
20
Publicado por
MDPI
Publicado en
Animals
Citación
Borges, Tâmara Duarte, Mariana Huerta-Jimenez, Nicolau Casal, Joel Gonzalez, Nuria Panella-Riera, and Antoni Dalmau. 2020. "To Provide A Double Feeder In Growing Pigs Housed Under High Environmental Temperatures Reduces Social Interactions But Does Not Improve Weight Gains". Animals 10 (12): 2248. doi:10.3390/ani10122248.
Número del acuerdo de la subvención
INIA/Programa Estatal de I+D+I orientada a los retos de la Sociedad/RTA2013-00090-C02-01/ES/Estrategias alimentarias y de manejo para reducir los efectos del estrés térmico en caracteres productivos, de calidad de carne y de bienestar en el porcino criado en España/
Program
Benestar Animal
Qualitat i Tecnologia Alimentària
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