estimativa de bem-estar de frango de corte em função da concentração de amônia e grau de luminosidade no galpão de produção estimating broiler welfare as function of ammonia concentration and light level inside housing
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Abstract
Brazil is an important poultry meat export country, and large parts of its destination are countries with specific rearing restrictions related to broiler’s welfare. One of the aerial pollutants mostly found in high concentrations in closed poultry housing environment is ammonia. There are evidences that broilers welfare may be compromised by the continuous exposition to this pollutant in rearing housing. This research aimed to estimate broilers welfare reared under specific thermal environmental attributes and bird’s density, as function of the ammonia concentration and light intensity inside the housing environment using the Fuzzy Theory. Results showed that the best welfare value (0.89 in the scale: 0-1) approximately 90% of the ideal was found in the conditions that associated the ideal thermal environment, with bird’s density between 13-15 birds m-2, with values of the ammonia concentration in the environment below 5 ppm, and light intensity near 1 lx. Using the predictive method it was possible to estimate broilers welfare with relation to the ammonia concentration and light intensity in the housing.
| Reference Key |
owada2007engenhariaestimativa
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|---|---|
| Authors | ;Adriana N. Owada;Irenilza de A. Nääs;Daniella J. de Moura;Marta dos S. Baracho |
| Journal | bioorganic and medicinal chemistry letters |
| Year | 2007 |
| DOI |
10.1590/S0100-69162007000400003
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| URL | |
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