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Poult Sci. 1982 Sep;61(9):1815-7.

Effect of atmospheric ammonia on laying hen performance.

Abstract

In periods of extremely cold weather, energy conservation in a pit-type laying house usually results in a restricted ventilation rate and an increase in air pollutants particularly ammonia. Results show that 200 ppm ammonia for 17 days causes a significant loss in percent egg production and the hens lose a significant amount of weight with a reduced feed intake. Although not satisfactory, it appears that lesser amounts of ammonia (100 ppm) can be tolerated for short periods without an immediate drastic loss in laying performance if a choice has to be made between frozen waterers and cold stress versus atmospheric ammonia in the laying house.

PMID:
7134135
DOI:
10.3382/ps.0611815
[Indexed for MEDLINE]

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