| Registro completo |
| Provedor de dados: |
Scientia Agricola
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| País: |
Brazil
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| Título: |
Assessing locomotion deficiency in broiler chicken
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| Autores: |
Nääs,Irenilza de Alencar
Paz,Ibiara Correia de Lima Almeida
Baracho,Marta dos Santos
Menezes,Adriana Gomes de
Lima,Karla Andrea Oliveira de
Bueno,Leda Gobbo de Freitas
Mollo Neto,Mario
Carvalho,Victor Ciaco de
Almeida,Ianê Correia de Lima
Souza,Anderson Luiz de
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| Data: |
2010-04-01
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| Ano: |
2010
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| Palavras-chave: |
Poultry production
Gait scoring
Feet force measurement
Welfare
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| Resumo: |
Locomotion deficiencies in broiler production cause poor welfare and lead to change in drinking and feeding behavior with consequent loss in weight gain. This research aimed to assess locomotion deficiencies in broiler chicken by analyzing the vertical peak force on both feet during walk. A chamber was built with an inlet ramp, a horizontal walkway in the middle and an outlet ramp. In the walkway a thin mat with piezoelectric crystal sensors was placed to record the step vertical peak force of the feet while walking on the force platform. The measurement system consisted of a mat with electronic sensors and software that allowed real time recording of the forces and the processing and analysis of data. Footage was taken from two digital video cameras and used for gait scoring. Forty male broilers were chosen at random, grown under similar rearing conditions and farms, with age varying from 49 to 28 days (ten birds of same age) to be used in the trial. Measurement consisted of inducing the bird to walk on the force platform which automatically registered the peak vertical force of the steps. Results showed that the gait score increased with the weight and age of the birds. Peak force asymmetry was found for each foot, independent of age or gait score. Although not identified visually in the broilers, the peak vertical force values differed in both right and left feet leading to slow and uneven walking. Walking deficiency was more severe in older birds.
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| Tipo: |
Info:eu-repo/semantics/article
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| Idioma: |
Inglês
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| Identificador: |
http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0103-90162010000200001
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| Editor: |
São Paulo - Escola Superior de Agricultura "Luiz de Queiroz"
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| Relação: |
10.1590/S0103-90162010000200001
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| Formato: |
text/html
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| Fonte: |
Scientia Agricola v.67 n.2 2010
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| Direitos: |
info:eu-repo/semantics/openAccess
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