Ribikauskas and Vaicionis (2002) Formation of chemical and bacterial contamination in cattle and pig farms of various sizes and with different animal housing and manure handling technologies

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Formation of chemical and bacterial contamination in cattle and pig farms of various sizes and with different animal housing and manure handling technologies

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CONTRIBUTORS:

	Author:	Ribikauskas, Vytautas (Institute of Animal Science of Lithuanian Veterinary Academy)
	Author:	Vaicionis, Gediminas

PROCEEDINGS TITLE:

53rd Annual Meeting of the European Association for Animal Production. Cairo, Egypt, 2002. Book of abstracts No.8

YEAR:

2002

PUB TYPE:

Conference Paper in Proceedings

PAGES:

103 - 103

SUBJECT(S):

ammonia, concentration, pollution, emission, cattle, pigs, manure

DISCIPLINE:

Agricultural and Food Sciences

HTTP:

LANGUAGE:

English

PUB ID:

103-442-699 (Last edited on 2008/05/21 00:26:21 GMT-6)

SPONSOR(S):

ABSTRACT:
Lower concentration of ammonia in the air does not reduce emission into the environment. In this case, the amount of ammonia emitted from the surface area unit should be evaluated. In order to evaluate the total contamination of the barn it is required to determine microbial concentration in the air.
The study indicated that ammonia nitrogen (NH3-N) emission from the surface of the manure conveyor in the stanchion house was highest and amounted to 98.1 mg/m2/h. Under the loose housing system, the highest NH3-N emission was registered from the stalls of cows, calves and heifers, respectively, 58.7; 68.3 and 88.8 mg/m2/h. Deep litter housing of pigs resulted in higher NH3-N emission that amounted to 70.0 and 75.5 mg/m2/h from, respectively, the floor surface in the pens of sows and weaned piglets. However, ammonia emission from the pens of weaned (and housed without bedding) and fattening pigs was, respectively, 59.3 and 65.1 mg/m2/h.
Total bacterial air contamination in the houses of livestock progeny was higher than that in the cow-house and amounted to 519,000 /m2 of air, while the highest microorganism concentration in the house of milking cows was 327,400 /m2. Microbial concentration in the air was higher in stalls and manure removal areas than that on the feeding passages.

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