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Animals 2014, 4(2), 164-183;

Establishing Sprinkling Requirements on Trailers Transporting Market Weight Pigs in Warm and Hot Weather

Department of Animal Science, Iowa State University, Ames, IA 50011, USA
Departments of Animal and Food Science and Animal Care Services, Texas Tech University, Lubbock, TX 79409, USA
Author to whom correspondence should be addressed.
Received: 6 February 2014 / Revised: 25 March 2014 / Accepted: 4 April 2014 / Published: 11 April 2014
(This article belongs to the Special Issue Pig Transport)
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This study was conducted July of 2012 in Iowa, in WARM (<26.7 °C) and HOT (≥26.7 °C) weather. Four sprinkling methods were compared, with one treatment being randomly assigned to each load: control- no sprinkling (not applied in HOT weather), pigs only, bedding only, or pigs and bedding. Experiment 1 used 51 loads in WARM- and 86 loads in HOT weather to determine sprinkling effects on pig measures (surface temperature, vocalizations, slips and falls, and stress signs). Experiment 2 used 82 loads in WARM- and 54 loads in HOT weather to determine the sprinkling effects on transport losses (non-ambulatory, dead, and total transport losses). Experiment 1 found that, in WARM weather, there were no differences between sprinkling treatments for surface temperature, vocalizations, or slips and falls (p ≥ 0.18). However, stress signs were 2% greater when sprinkling pigs- or bedding only- compared to control (p = 0.03). Experiment 2 found that, in WARM and HOT weather, sprinkling did not affect non-ambulatory, dead, or total transport losses (p ≥ 0.18). Although the current study did not find any observed sprinkling effects for pig measures or transport losses it is extremely important to note that the inference space of this study is relatively small, so further studies should be conducted to see if these results are applicable to other geographical regions and seasons. View Full-Text
Keywords: market-weight pig; sprinkling; transport loss; well-being market-weight pig; sprinkling; transport loss; well-being

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This is an open access article distributed under the Creative Commons Attribution License (CC BY 3.0).

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Kephart, R.; Johnson, A.; Sapkota, A.; Stalder, K.; McGlone, J. Establishing Sprinkling Requirements on Trailers Transporting Market Weight Pigs in Warm and Hot Weather. Animals 2014, 4, 164-183.

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