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Effect of selection for environmental variability in litter size on welfare in rabbit does  [2011]

Argente, M.J., Universidad Miguel Hernández de Elche, Orihuela (España). Dept. de Tecnología Agroalimentaria García, M.L., Universidad Miguel Hernández de Elche, Orihuela (España). Dept. de Tecnología Agroalimentaria Muelas, R., Universidad Miguel Hernández de Elche, Orihuela (España). Dept. de Tecnología Agroalimentaria Birlanga, V., Universidad Miguel Hernández de Elche, Orihuela (España). Dept. de Tecnología Agroalimentaria et al.

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C-reactive protein (CRP) may be a useful marker of health and animal welfare. The aim of this study is to measure plasmatic levels of CRP in two lines of rabbits divergently selected for environmental variability in litter size. Females of the high line (H) for environmental variability in litter size showed higher concentration of CRP at beginning of their reproductive life (D = 7.62 microg/ml, P (D> 0) = 100% at the first mating, and D = 4.84 microg/ml, P (D> 0) = 97% at the second mating) than females of the low line (L). It seems that the line H is more sensitive to diseases, and its greater variability in litter size could be a consequence of its major sensibility to illness. In conclusion, these results suggest that selection to reduce environmental variability in litter size may have a positive effect on health and animal welfare.

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Congresos y Jornadas. Serie Producción Animal - Asociación Interprofesional para el Desarrollo Agrario (España)