ABNT NBR 5413 PDF

A pro-active approach, aiming at ensuring that neither technological development nor animal welfare are compromised, is recommended Clark et al. Therefore, the between data collections was three months. Environmental noise was measured using a decibel meter every second, simultaneously to 13 daily videorecordings. Considering processing line speed and observation intervals, approximately 67, broilers were observed or 33, in the old shackling area and 33, in the new shackling area.

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Dougis The size of the lighting system also considered shackling area dimensions width, length, heightestimated reflections of the roof, walls, and floor, and light flow of the blue fluorescent lamps. Data were statistically analyzed using the non-parametric test of Wilcoxon-Mann-Whitney w test. Recording were made to include all possible variables: The expected value was 39, readings in minutes 39, seconds.

Rio de Janeiro; In the old shackling area, noise was recorded for approximately 11h5min 39, readings and for 10h38min 38, readings.

The decibelimeter recorded instantaneous values every second. Lewis PD, Morris T. In the United Kingdom, for instance, each processing plant must have a worker trained on bird welfare to oversee unloading, lair age, and slaughter ACP, Effect of varying light intensity on growth performance and carcass characteristics of broiler chickens grown to heavy weights. The lighting of the new area was close to the recommendations of NBR for work stations, of lux.

Protocolo de bem-estarparafrangos e perus [cited Set 13]. An intermediate lighting intensity at the work stations was applied. There were some concerns with the 3-month interval between environmental data collection in the old and new areas. Revista Avicultura Industrial Pre-slaughter aversive conditions and consequent physical and mental stressors affect both animal production meat yield and quality and welfare. However, this option was rejected by the company, which standard is to install the lamps on the ceiling in order to prevent dirt accumulation and cleaning problems.

Considering that the area is a source of dirt emissions and that lamp maintenance and cleaning nbf made every 7, h, a depreciation factor of 0. Sector A included the distance between the last shackling station and avnt entrance to the stunner. Therefore, the interval between data collections was three months. Applied Animal Behaviour Science ; The behaviour of broiler chickens in different light sources and illuminances.

There was a problem providing the content you requested The company works with a single broiler genetic strain Cobb Effect of light intensity on broiler behaviour and diurnal rhythms. ISO PDF This expansion will be gradual, as it involves the other structures breeder farms, hatchery, and broiler farms.

When all cones are simultaneously stimulated, the brain preceives the light as white. Grady Books Livros, pensamentos e estilo de vida do Grady! All the contents of this journal, except where otherwise noted, is licensed under a Creative Commons Attribution License. It is possible to conciliate nbf broiler struggling sbnt shackling with light comfort of workers of the shackling area.

The null hypothesis was that wing-flapping values were not different between the new and the old areas H: According to the measurements, the new shackling area has better lighting; however, this not result in more bird activity wing flapping or more stress Barbosa et al.

The second step included the design and installation of fluorescent blue lamps with higher lighting intensity to promote better visual comfort to the workers.

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NBR 5413 – Iluminância de Interiores

Nemuro British Poultry Science ; Temperature, relative humidity, and luminosity were collected at the beginning of each videorecording, 13 times daily, for five days. In the first step, an existing shackling sector was evaluated. Meat Science ; Because it is a closed environment, temperature and relative humidity were measured in a single spot, near the shackling line. The behaviour of broiler chickens sbnt different light sources and illuminances. The reduction of noise in the new area was 2.

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