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| DOI | 10.1017/S002185962000088X | ||||
| Año | 2020 | ||||
| Tipo | artículo de investigación |
Citas Totales
Autores Afiliación Chile
Instituciones Chile
% Participación
Internacional
Autores
Afiliación Extranjera
Instituciones
Extranjeras
The aim of this study was to investigate whether social rank (SR) and stability in the order of entrance to the milking parlour are associated with production traits. The study was conducted on a dairy farm where cows (n = 215) were managed in three groups according to lactation stage (group 1: 78 cows, 0-100 days in milk (DIM); group 2: 65 cows, 101-200 DIM and group 3: 72 cows, 200 DIM). SR was calculated from observations made from agonistic behaviour performed at the water troughs and feed bunks of each pen (n = 3). The animals were classified into three levels of dominance based on at least five clear interactions, resulting in: 61 dominant, 75 intermediate and 69 subordinate cows based on SR. Stability in the order of entry was estimated as the standard deviation of the entry position. SR was weakly correlated with milk yield, urea and protein content in milk. The results showed that stable cows had higher milk production and entered the milking parlour after the non-stable animals. Stability in the order of entry to the milking parlour was not affected by SR. Overall, the use of milking facilities appears to be associated with production traits rather than SR.
| Ord. | Autor | Género | Institución - País |
|---|---|---|---|
| 1 | Vargas-Bello-Perez, Einar | Hombre |
Københavns Universitet - Dinamarca
Pontificia Universidad Católica de Chile - Chile Univ Copenhagen - Dinamarca Det Sundhedsvidenskabelige Fakultet - Dinamarca |
| 2 | Bastias-Ruz, J. | - |
Pontificia Universidad Católica de Chile - Chile
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| 3 | TORO-MUJICA, PAULA MACARENA | Mujer |
Universidad de O’Higgins - Chile
Universidad de O`Higgins - Chile |
| 4 | Lemos Teixeira, Dayane | - |
Universidad de O’Higgins - Chile
Universidad de O`Higgins - Chile |
| 5 | Enriquez-Hidalgo, Daniel | Hombre |
Pontificia Universidad Católica de Chile - Chile
Bristol Veterinary School - Reino Unido Rothamsted Research - Reino Unido Univ Bristol - Reino Unido Rothamsted Res - Reino Unido |
| Fuente |
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| Comisión Interministerial de Ciencia y Tecnología |
| Comision Nacional de Ciencia y Tecnologia (Conicyt) of Chile |
| Agradecimiento |
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| We would like to thank Fundacion Agro UC for the animal facilities and assistance in obtaining the research data. Video recording equipment was kindly provided by Rafael Larrain and Jorge Oses. Special thanks should be given to Dr Hanne Helen Hansen from the University of Copenhagen for proofreading our manuscript. Paula Toro-Mujica would like to thank the REDI170084 project supported by the Comision Nacional de Ciencia y Tecnologia (CONICYT) of Chile for financing a scholar visit to the University of Copenhagen. |
| We would like to thank Fundación Agro UC for the animal facilities and assistance in obtaining the research data. Video recording equipment was kindly provided by Rafael Larraín and Jorge Oses. Special thanks should be given to Dr Hanne Helen Hansen from the University of Copenhagen for proofreading our manuscript. Paula Toro-Mujica would like to thank the REDI170084 project supported by the Comisión Nacional de Ciencia y Tecnología (CONICYT) of Chile for financing a scholar visit to the University of Copenhagen. |