Evaluation of heat stress in 4- and 6-row freestall buildings located in northwest Iowa

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dc.contributor.author Smith, John F., 1962-
dc.contributor.author Harner, Joseph P.
dc.contributor.author Brouk, Michael J.
dc.date.accessioned 2010-12-10T17:37:28Z
dc.date.available 2010-12-10T17:37:28Z
dc.date.issued 2010-12-10
dc.identifier.uri http://hdl.handle.net/2097/6877
dc.description.abstract A trial was conducted in the summer of 2000 to evaluate the effect of 4- and 6-row freestall barns located in northwest Iowa on barn temperature, barn humidity, and respiration rates of lactating Holstein cows. Temperature, temperature-humidity index (THI), and respiration rates were greater in 6-row than 4-row freestall barns. Respiration rates were greater in 6-row versus 4-row buildings. The magnitude of difference in the temperature and THI variables may not explain the differences detected in respiration rates. It is possible that a relationship between animal density and social interaction could increase respiration rates when animal density is increased. It may also be possible that the level of mechanical ventilation required to keep cows comfortable in 6- row barns may be greater. en_US
dc.publisher Kansas State University. Agricultural Experiment Station and Cooperative Extension Service en_US
dc.relation.isPartOf Dairy Day, 2001 en_US
dc.relation.isPartOf Kansas Agricultural Experiment Station contribution; no. 02-133-S en_US
dc.relation.isPartOf Report of progress (Kansas State University. Agricultural Experiment Station and Cooperative Extension Service); 881 en_US
dc.subject Dairy en_US
dc.subject Heat stress en_US
dc.subject Freestalls en_US
dc.subject Cow comfort en_US
dc.title Evaluation of heat stress in 4- and 6-row freestall buildings located in northwest Iowa en_US
dc.type Conference paper en_US
dc.date.published 2001 en_US
dc.citation.epage 3 en_US
dc.citation.spage 1 en_US
dc.description.conference Dairy Day, 2001, Kansas State University, Manhattan, KS, 2001
dc.contributor.authoreid jfsmith en_US
dc.contributor.authoreid mbrouk en_US
dc.contributor.authoreid jharner en_US


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