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Citation |
Langman VA, Ellifrit N, Sime D, Rowe M, Hogue A. J. Appl. Anim. Welf. Sci. 2015; 18(4): 398-403. |
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Affiliation |
a U.S. Department of Agriculture , Animal and Plant Health Inspection Service, Animal Care , Fort Collins , Colorado. |
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Copyright |
(Copyright © 2015, Informa - Taylor and Francis Group) |
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DOI |
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PMID |
26114382 |
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Abstract |
The purpose of this study was to quantify the changes in oxygen (O2) and carbon dioxide (CO2) in sealed refrigerator trucks scheduled to be used for transporting companion animals (dogs and cats) during an emergency evacuation. A total of 122 nonhuman animals (total weight = 1,248 kg) housed in individual crates were loaded into a 16-m refrigeration truck. Once they were loaded, the doors were closed and the percentages of O2 and CO2 were measured every 5 min by O2 and CO2 analyzers, and they were used to quantify the changes in gas pressure in the sealed truck. CO2 had a much higher-than-predicted increase, and O2 had a higher-than-predicted decrease. These 2 pressures in combination with the functionality of the respiratory system will limit the animal's ability to load O2, and over time, they will initiate asphyxia or suffocation. Over time, the partial pressure of oxygen (PO2) in the sealed truck will decrease, causing hypoxia, and the partial pressure of carbon dioxide (PCO2) will increase, causing hypercapnia. Language: en |