Please use this identifier to cite or link to this item:https://hdl.handle.net/20.500.12259/85360
Type of publication: Straipsnis Clarivate Analytics Web of Science ar/ir Scopus / Article in Clarivate Analytics Web of Science or / and Scopus (S1)
Field of Science: Mechanikos inžinerija / Mechanical Engineering (T009)
Author(s): Kavolėlis, Bronius
Title: Impact of animal housing systems on ammonia emission rates
Is part of: Polish journal of environmental studies. , Vol.15, Iss.5 (2006)
Extent: p. 739-745
Date: 2006
Note: WOS:000241974400008
Keywords: Ammonia emission;Dairy cow;Fattening pig;Slatted floor;Litter
Abstract: The impact of dairy cow and pig housing systems on ammonia emission rates was studied under production conditions. During research the inside and outside air temperature, relative humidity, CO2 concentration on the inside and outside air and NH3 concentrations in the inside air and under the slats were measured. ALMEMO, Drager pac III, and GasProbe IAQ measuring instruments were used. From the measurement data ventilation rates and ammonia emission rates were calculated. During the housing period, the NH3 emission per animal stall in the insulated cowshed with tied cows and in a cowshed with partly slatted floor was the same at approximately 29 g per day. In an uninsulated cowshed it was less at 17 g per day. Ammonia emission during a 220-d housing period per animal stall in an uninsulated cowshed was 3,7 kg, and in an insulated shed it was 604 kg. The lowest emission (2,2 kg per pig per year) was achievd by keeping pigs on abundant straw litter, changed every week. With a slatted floor system, the anual ammonia emission rate was 2,5 kg per pig
Internet: https://hdl.handle.net/20.500.12259/85360
Affiliation(s): Vytauto Didžiojo universitetas
Žemės ūkio akademija
Appears in Collections:Universiteto mokslo publikacijos / University Research Publications

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