ABNT NBR – Caixilho Para Edificacao – Janela Do Tipo Projetante – Verificacao Da Uploaded by Laissa .. Uploaded by. ASTM E ASSOCIAÇÃO BRASILEIRA DE NORMAS TÉCNICAS – ABNT. Iluminância de. Interiores. Especificação. NBR Rio de Janeiro, ABNT. ABNT NBR ISO – ABNT NBR ISO Machine tools – Positive drive of Morse tapers. Publication date: ; Original.
|Published (Last):||9 May 2016|
|PDF File Size:||5.91 Mb|
|ePub File Size:||13.41 Mb|
|Price:||Free* [*Free Regsitration Required]|
It should be noted that better lighting allows better worker performance, as they will have less problems in shackling the broilers because they can see better what they are doing, which will also result in less broiler trauma and bruises.
Recording were abny to include all possible variables: Considering that the area is a source of dirt emissions and that lamp maintenance and cleaning are made every 7, h, a depreciation factor of 0. Blue lighting in the shackling area of broiler processing plants contributes to reduce bird struggling.
Broilers, pre-slaughter operations, lighting, animal welfare, lighting comfort. The company works with a single broiler genetic strain Cobb 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. Using the information on the environment and utilization and depreciation factor, the number of lamps required to obtain the desired light intensity of lux in the new shackling area was calculated as Computers and Electronics in AgricultureVisual pigments, cone oil droplets, ocular media and predicted spectral sensitivity in the domestic turkey Meleagrisgallopavo.
Machine vision to identify broiler breeder behavior. Spectral sensitivity of the domestic fowl.
Lighting in the shackling area: conciliating broiler welfare with labor comfort
Out of the points evaluated, it is the one that best represents lighting where the workers shackle the birds. 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. The number of times broilers flapped their wings in shackling line sector A was counted. In addition, the environment must have good ventilation, low noise, and adequate lighting.
NBR iluminância de interiores – Associação Brasileira de Normas Técnicas – Google Books
Lewis PD, Morris T. During the grower phase, lighting can be used to moderate weight gain and to improve production efficiency and health of a flock Mendes et al. The wing-flapping values obtained in broilers shackled in the old and the new areas are shown in Tables 1 and 2respectively. In addition of the recordings, the following data were measured: A pro-active approach, aiming at ensuring that neither technological development nor animal welfare are compromised, is recommended Clark et al.
This has been used to improve the handling of broilers during catching. British Poultry Science ; The peaks of sensitivity of three types of cones in the human eye allow the perception of primary colors: Lighting is widely used for the manipulation of the behavior of meat-type poultry Nixey, ; Lewis et al. Video recordings were made along the mentioned shackling line using a Canon Power Shot S camera always from a fixed position.
There was a problem providing the content you requested
Lighting in the shackling area: Protocolo de bem-estarparafrangos e perus abbnt Set 13]. In the first step, an existing shackling sector was evaluated. Blue light is recommended during catching, as the visual perception of broilers is greatly impaired, and therefore, they are not distressed.
The values of wing-flapping are abmt in Tables 1 and 2respectively. Vision Research ;39 The alternative hypothesis was that there was more wing-flapping in the old area compared with abntt new area H: There were some concerns with the 3-month interval between nbd data collection in the old and new areas. Animal rearing and rearing technologies are dynamic fields that can have positive or negative influences on animal welfare. All the contents of this journal, except where otherwise noted, is licensed under a Creative Commons Attribution License.
Lighting can have a positive or negative influence on broiler welfare because it affects their behavior. Luminosity was measured at three fixed spots of the shackling line beginning, middle, and end of the video-recorded line stretch at the birds’ head height.
The welfare implications of animal breeding and breeding technologies in commercial agriculture. This is called the method of average lumen lighting and it is the most adequate for routine work in a fixed working station. Table 4 presents a summary of measurements, including the median mstandard deviation s and the coefficient of variation of lighting cv at the evaluated spots.
In this study, a conventional lighting system was compared with brighter lighting system designed to provide better visual comfort to workers in compliance with the Brazilian regulations ABNT.