Influence of different ventilation systems on inhalable and respirable dust particles concentrations distribution in weaning and finishing fattening pig houses
Proučavanje uticaja različitih ventilacionih sistema na raspodelu koncentracija čestica inhalabilne i respirabilne prašine u objektima za odgoj i završni tov svinja
dc.creator | Topisirović, Goran | |
dc.date.accessioned | 2020-12-17T18:05:50Z | |
dc.date.available | 2020-12-17T18:05:50Z | |
dc.date.issued | 2003 | |
dc.identifier.issn | 1450-8109 | |
dc.identifier.uri | http://aspace.agrif.bg.ac.rs/handle/123456789/582 | |
dc.description.abstract | The application of different mechanical extraction ventilation systems in reducing and controlling dust concentrations in weaned and finishing pig houses was analyzed and discussed in this work. Dust concentrations and airflow velocities have been measured at 20 measuring points, smoothly positioned over the house cross section, in the net consisting of 4 horizontal and 5 vertical rows. The lowest horizontal row was positioned at the pigs breathing zone (40 cm above the floor), and the highest (fourth) horizontal row was positioned at the workers breathing zone (160 cm). Control values were measured in houses with closed doors and windows and all the fans switched off. These values were compared with three experimental sets of values achieved with: floor, roof and both ventilation systems. Dust concentrations were measured by konimeter (Konimeter 10, Karl Zeiss Jena), airflow velocity in ventilation ducts with a turbine anemometer and the airflow velocity at measuring points with hot wire anemometer. In the finishing house significant decrement of inhalable (F = 44.35, P lt lt 0.01) and respirable (F = 43.82, P lt lt 0.01) dust concentration was achieved in the third experimental treatment. In the weaned piglets house, significant decrement of inhalable (F = 49.43, P lt lt 0.01) and respirable (F = 42.69, P lt lt 0.01) dust concentration was achieved with floor ventilation. | en |
dc.description.abstract | U radu su analizirane primene ventilacije u smanjenju i kontroli sadržaja prašine u stajskom vazduhu objekata za odgoj i završni tov svinja. Koncentracije prašine i brzine strujanja vazduha su merene u po 20 mernih tačaka, ravnomerno raspoređenih po mernom preseku, u 4 horizontalna i 5 vertikalnih nizova. Donji niz tačaka je bio u zoni disanja tovljenika i prasadi (40 cm), a četvrti gornji u zoni disanja zaposlenih (160 cm). Kontrolne vrednosti su merene u objektu sa isključenim ventilatorima i zatvorenim prozorima, a tri ogledne varijante obuhvataju: podni, krovni i oba ventilaciona sistema. Koncentracija prašine je merena konimetarskom metodom (Konimetar 10, Karl Zeiss, Jena), brzina strujanja vazduha u ventilacionim kanalima turbinskim anemometrom, a u objektu anemometrom sa toplom žicom. U objektu za završni tov, sa obe ventilacije je postignuto statistički značajno smanjenje koncentracije inhalabilne (F = 44.35, P lt lt 0.01) i respirabilne prašine (F = 43.82, P lt lt 0.01). U objektu za odgoj prasadi, podnom ventilacijom je postignuto statistički značajno smanjenje koncentracije inhalabilne (F = 49.43, P lt lt 0.01) i respirabilne prašine (F = 42.69, P lt lt 0.01). | sr |
dc.publisher | Univerzitet u Beogradu - Poljoprivredni fakultet, Beograd | |
dc.rights | openAccess | |
dc.rights.uri | https://creativecommons.org/licenses/by-sa/4.0/ | |
dc.source | Journal of Agricultural Sciences (Belgrade) | |
dc.subject | weaning pigs | en |
dc.subject | finishing fattening pigs | en |
dc.subject | inhalable dust | en |
dc.subject | respirable dust | en |
dc.subject | concentration | en |
dc.subject | konimeter | en |
dc.subject | ventilation system | en |
dc.subject | airflow velocity | en |
dc.title | Influence of different ventilation systems on inhalable and respirable dust particles concentrations distribution in weaning and finishing fattening pig houses | en |
dc.title | Proučavanje uticaja različitih ventilacionih sistema na raspodelu koncentracija čestica inhalabilne i respirabilne prašine u objektima za odgoj i završni tov svinja | sr |
dc.type | article | |
dc.rights.license | BY-SA | |
dc.citation.epage | 204 | |
dc.citation.issue | 2 | |
dc.citation.other | 48(2): 187-204 | |
dc.citation.spage | 187 | |
dc.citation.volume | 48 | |
dc.identifier.doi | 10.2298/JAS0302187T | |
dc.identifier.fulltext | http://aspace.agrif.bg.ac.rs/bitstream/id/4173/579.pdf | |
dc.type.version | publishedVersion |