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Establishing Trailer Ventilation (Boarding) Requirements for Finishing Pigs during Transport.

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

Bottom Line: Average rates of DOA, NANI, NAI, and D&amp;D were approximately 0.30%, 0.12%, 0.04%, and 0.46%, respectively.The D&amp;D was highest when boarding level was low with temperatures <5 °C (p < 0.05).However, variations in boarding level (medium and high boarding) in the temperature range of 5.10 °C to 23.30 °C did not affect pig losses.

View Article: PubMed Central - PubMed

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

ABSTRACT
Specifically, this study aimed to establish the effects on mortality and morbidity of boarding levels (amount of side-wall trailer ventilation) for finishing pigs in mild weather (8.80 ± 0.30 °C, 71.70% ± 1.12% humidity). Pigs from commercial finishing sites were transported in 302 pot-bellied trailers to commercial processing plants. Measures collected at the processing plant were rates of dead on arrival (DOA), non-ambulatory, non-injured (NANI), non-ambulatory, injured (NAI), and total dead and down (D&D). Boarding levels (% that side walls were closed off with inserted boards) were divided into 3 bins: low, medium, and high, and outside temperature was divided into 4 bins <5 °C, 5.10-10 °C, and 10.10-15 °C and >15 °C. Average rates of DOA, NANI, NAI, and D&D were approximately 0.30%, 0.12%, 0.04%, and 0.46%, respectively. The D&D was highest when boarding level was low with temperatures <5 °C (p < 0.05). However, variations in boarding level (medium and high boarding) in the temperature range of 5.10 °C to 23.30 °C did not affect pig losses.

No MeSH data available.


Rate of total dead and down (D&D) for each boarding level across all temperature bins.
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animals-04-00515-f003: Rate of total dead and down (D&D) for each boarding level across all temperature bins.

Mentions: Rates of D&D at air temperature <5 °C while using low, medium and high boarding levels were 0.94% ± 0.20%, 0.25% ± 0.11% and 0.21% ± 0.11%, respectively. Figure 3 represents D&D for each boarding level across all temperature bins.


Establishing Trailer Ventilation (Boarding) Requirements for Finishing Pigs during Transport.

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

Rate of total dead and down (D&D) for each boarding level across all temperature bins.
© Copyright Policy
Related In: Results  -  Collection

License
Show All Figures
getmorefigures.php?uid=PMC4494307&req=5

animals-04-00515-f003: Rate of total dead and down (D&D) for each boarding level across all temperature bins.
Mentions: Rates of D&D at air temperature <5 °C while using low, medium and high boarding levels were 0.94% ± 0.20%, 0.25% ± 0.11% and 0.21% ± 0.11%, respectively. Figure 3 represents D&D for each boarding level across all temperature bins.

Bottom Line: Average rates of DOA, NANI, NAI, and D&amp;D were approximately 0.30%, 0.12%, 0.04%, and 0.46%, respectively.The D&amp;D was highest when boarding level was low with temperatures <5 °C (p < 0.05).However, variations in boarding level (medium and high boarding) in the temperature range of 5.10 °C to 23.30 °C did not affect pig losses.

View Article: PubMed Central - PubMed

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

ABSTRACT
Specifically, this study aimed to establish the effects on mortality and morbidity of boarding levels (amount of side-wall trailer ventilation) for finishing pigs in mild weather (8.80 ± 0.30 °C, 71.70% ± 1.12% humidity). Pigs from commercial finishing sites were transported in 302 pot-bellied trailers to commercial processing plants. Measures collected at the processing plant were rates of dead on arrival (DOA), non-ambulatory, non-injured (NANI), non-ambulatory, injured (NAI), and total dead and down (D&D). Boarding levels (% that side walls were closed off with inserted boards) were divided into 3 bins: low, medium, and high, and outside temperature was divided into 4 bins <5 °C, 5.10-10 °C, and 10.10-15 °C and >15 °C. Average rates of DOA, NANI, NAI, and D&D were approximately 0.30%, 0.12%, 0.04%, and 0.46%, respectively. The D&D was highest when boarding level was low with temperatures <5 °C (p < 0.05). However, variations in boarding level (medium and high boarding) in the temperature range of 5.10 °C to 23.30 °C did not affect pig losses.

No MeSH data available.