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Establishing Bedding Requirements during Transport and Monitoring Skin Temperature during Cold and Mild Seasons after Transport for Finishing Pigs.

McGlone J, Johnson A, Sapkota A, Kephart R - Animals (Basel) (2014)

Bottom Line: Average skin surface temperature during unloading increased with outside air temperature linearly in both experiments (P < 0.01).In conclusion, over-use of bedding may be economically inefficient.Pig skin surface temperature could be a useful measure of pig welfare during or after transport.

View Article: PubMed Central - PubMed

Affiliation: Department of Animal and Food Sciences, Texas Tech University, Lubbock, TX 79409, USA. john.mcglone@ttu.edu.

ABSTRACT
The broad aim of this study was to determine whether bedding level in the transport trailer influenced pig performance and welfare. Specifically, the objective was to define the bedding requirements of pigs during transportation in commercial settings during cold and mild weather. Animals (n = 112,078 pigs on 572 trailers) used were raised in commercial finishing sites and transported in trailers to commercial processing plants. Dead on arrival (DOA), non-ambulatory (NA), and total dead and down (D&D) data were collected and skin surface temperatures of the pigs were measured by infrared thermography. Data were collected during winter (Experiment 1) and fall/spring (Experiment 2). Total D&D percent showed no interaction between bedding level and outside air temperature in any experiments. Average skin surface temperature during unloading increased with outside air temperature linearly in both experiments (P < 0.01). In conclusion, over-use of bedding may be economically inefficient. Pig skin surface temperature could be a useful measure of pig welfare during or after transport.

No MeSH data available.


Related in: MedlinePlus

Skin surface temperature of pigs in relation to outside air temperature when unloaded at the processing plant. Total number of loads for each temperature bin is given in parentheses: −5 °C (14), 0 °C (14), 5 °C (31) 10 °C (25), 15 °C (70), 20 °C (39), and 25 °C (86). A total of 335 loads with 56,106 pigs were used for this analysis.
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animals-04-00241-f003: Skin surface temperature of pigs in relation to outside air temperature when unloaded at the processing plant. Total number of loads for each temperature bin is given in parentheses: −5 °C (14), 0 °C (14), 5 °C (31) 10 °C (25), 15 °C (70), 20 °C (39), and 25 °C (86). A total of 335 loads with 56,106 pigs were used for this analysis.

Mentions: When skin surface temperature at the plant was plotted against outside air temperatures for all temperature bins (−5 °C to 20 °C, in 5°C bins), skin surface temperature increased linearly with increasing outside air temperature (P < 0.01). The regression line linear fit had an r2 of 0.95, which indicates a strong relationship. In addition, above 30 °C, D&D increased linearly with increasing skin surface temperature after transportation (r2 = 0.81), indicating that skin surface temperature can be used as an indicator of D&D following transportation. This method does not apply to losses occurring on the trailer (DOA, specifically), but may be beneficial in determining if cooling interventions are necessary when pigs arrive at their destination. Figure 3 shows the linear relationship between skin surface temperature and outside air temperature at the processing plant.


Establishing Bedding Requirements during Transport and Monitoring Skin Temperature during Cold and Mild Seasons after Transport for Finishing Pigs.

McGlone J, Johnson A, Sapkota A, Kephart R - Animals (Basel) (2014)

Skin surface temperature of pigs in relation to outside air temperature when unloaded at the processing plant. Total number of loads for each temperature bin is given in parentheses: −5 °C (14), 0 °C (14), 5 °C (31) 10 °C (25), 15 °C (70), 20 °C (39), and 25 °C (86). A total of 335 loads with 56,106 pigs were used for this analysis.
© Copyright Policy
Related In: Results  -  Collection

License
Show All Figures
getmorefigures.php?uid=PMC4494375&req=5

animals-04-00241-f003: Skin surface temperature of pigs in relation to outside air temperature when unloaded at the processing plant. Total number of loads for each temperature bin is given in parentheses: −5 °C (14), 0 °C (14), 5 °C (31) 10 °C (25), 15 °C (70), 20 °C (39), and 25 °C (86). A total of 335 loads with 56,106 pigs were used for this analysis.
Mentions: When skin surface temperature at the plant was plotted against outside air temperatures for all temperature bins (−5 °C to 20 °C, in 5°C bins), skin surface temperature increased linearly with increasing outside air temperature (P < 0.01). The regression line linear fit had an r2 of 0.95, which indicates a strong relationship. In addition, above 30 °C, D&D increased linearly with increasing skin surface temperature after transportation (r2 = 0.81), indicating that skin surface temperature can be used as an indicator of D&D following transportation. This method does not apply to losses occurring on the trailer (DOA, specifically), but may be beneficial in determining if cooling interventions are necessary when pigs arrive at their destination. Figure 3 shows the linear relationship between skin surface temperature and outside air temperature at the processing plant.

Bottom Line: Average skin surface temperature during unloading increased with outside air temperature linearly in both experiments (P < 0.01).In conclusion, over-use of bedding may be economically inefficient.Pig skin surface temperature could be a useful measure of pig welfare during or after transport.

View Article: PubMed Central - PubMed

Affiliation: Department of Animal and Food Sciences, Texas Tech University, Lubbock, TX 79409, USA. john.mcglone@ttu.edu.

ABSTRACT
The broad aim of this study was to determine whether bedding level in the transport trailer influenced pig performance and welfare. Specifically, the objective was to define the bedding requirements of pigs during transportation in commercial settings during cold and mild weather. Animals (n = 112,078 pigs on 572 trailers) used were raised in commercial finishing sites and transported in trailers to commercial processing plants. Dead on arrival (DOA), non-ambulatory (NA), and total dead and down (D&D) data were collected and skin surface temperatures of the pigs were measured by infrared thermography. Data were collected during winter (Experiment 1) and fall/spring (Experiment 2). Total D&D percent showed no interaction between bedding level and outside air temperature in any experiments. Average skin surface temperature during unloading increased with outside air temperature linearly in both experiments (P < 0.01). In conclusion, over-use of bedding may be economically inefficient. Pig skin surface temperature could be a useful measure of pig welfare during or after transport.

No MeSH data available.


Related in: MedlinePlus