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An Assessment of Ammonia Emissions from Dairy Facilities in Pennsylvania

A survey of 715 Holstein dairy farms in Pennsylvania was used to construct demographics for the average Holstein dairy farm. The average Holstein dairy farm was composed of 69 lactating cows; 11 nonlactating, pregnant cows; 44 heifers; and 18 calves. Milk production averaged 27.3 kg (60.0 lb). Crop...

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Bibliografiske detaljer
Udgivet i:ScientificWorldJournal
Main Authors: Ferguson, James D., Dou, Zhengxia, Ramberg, Charles F.
Format: Artigo
Sprog:Inglês
Udgivet: TheScientificWorldJOURNAL 2001
Fag:
Online adgang:https://ncbi.nlm.nih.gov/pmc/articles/PMC6084376/
https://ncbi.nlm.nih.gov/pubmed/12805875
https://ncbi.nlm.nih.govhttp://dx.doi.org/10.1100/tsw.2001.277
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