Impact of animal housing systems ammonia emission rates

• Autorzy: Kavolelis B
• Języki publikacji: EN

Abstrakty

EN

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 in 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 NHj emission per animal stall in an 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 6.4 kg. The lowest emission (2.2 kg per pig per year) was achieved by keeping pigs on abundant straw litter, changed every week. with a slatted floor system, the annual ammonia emission rate was 2.5 kg per pig.

• Wydawca: -
• Czasopismo: Polish Journal of Environmental Studies
• Rocznik: 2006
• Tom: 15
• Numer: 5
• Opis fizyczny: p.739-745,fig.,ref.

Twórcy

autor

Kavolelis B

• Lithuanian University of Argiculture, Roudondvaris, LT-54132 Kaunas, Lithuania

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