Noise levels during the milking of dairies with mechanical systems in the highlands of the tropics of Colombia and its effect on milk quality and animal welfare
DOI:
https://doi.org/10.15381/rivep.v30i2.14642Keywords:
noise, animal welfare, dairy cattle, mechanical milkingAbstract
The objective of this study was to determine the noise levels during milking in
mechanical milking systems (fixed and mobile) and their relationship with animal welfare
and milk quality. The noise levels were measured in eight farms located in the municipalities
of La Sabana de Bogotá (Colombia). The exposure of cows to noise was measured in the
milking parlour (RUME), in the milking parlour before the milking (RUIN) and at the end
of milking, with the equipment turned off (RUFI). Milking was also classified according to the noise level as noisy milking and milking with tolerable noise. The groups were compared
in relation to the production, composition and quality of milk, as well as behavior associated
with stress. Significant differences were found for the somatic cell count and the number
of mesophilic bacteria (p<0.05), being higher in the so-called noisy milking.
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Copyright (c) 2019 Fredy Enrique García, Aldemar Zuñiga Lopez, Diana Catherine Florez Castañeda, Jaime Andrés Cubides Cárdenas
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