slugAerial environment and deep litter temperature in a swine building
Journal Title: Journal of Animal Behaviour and Biometeorology - Year 2014, Vol 2, Issue 4
Abstract
This study objective was to assess the air quality by measuring gas concentrations, and assess the surface and inside temperatures of deep litter materials in a finishing swine building. The experiment was conducted during the months of June and July. It was compared three treatments: deep litter composed of shaving woods + sugarcane bagasse (M+B), deep litter composed of sugarcane bagasse (BAG) and deep litter consisting of shaving woods (MAR). The installation stalls had a concrete floor under the deep litter. Measurements of instantaneous concentrations of ammonia, NH3 (ppm), carbon dioxide (CO2 ppm) and carbon monoxide (CO, ppm) at the level of the animals were taken. Data relating to surface temperature and inside the deep litter for swine were collected at three different points within the stalls (center, in the frontal region and background of the stalls). It was observed that the "MAR" deep litter showed the highest average concentration of NH3 (2.88 ppm). The "BAG" deep litter showed the lowest values of NH3 for all time intervals evaluated. In the morning period was observed significant differences for all treatments. The highest CO2 concentration (1530 ppm) was observed in treatment "BAG" at 11 h 30 min. The surface temperatures of deep beddings showed no significant differences between the sampling points. The temperature inside the deep litter at the front of the stall treatment was higher (M+B) when compared to treatment (ABG) and (MAR). The concentration of CO, CO2 and NH3, measured, gases not reached levels that could cause harm to the health of animals.
Authors and Affiliations
Francine Aparecida Sousa ▪ Alessandro Torres Campos ▪ Pedro Ivo Sodré Amaral ▪ Jaqueline de Oliveira Castro ▪ Soraia Viana Ferreira ▪ Tadayuki Yanagi Junior ▪ Alessandro Vieira Veloso ▪ Daiane Cecchin
Keywords
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- EP ID EP17883
- DOI http://dx.doi.org/10.14269/2318-1265/jabb.v2n4p109-116
- Views 574
- Downloads 23
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