Establishing trailer ventilation (boarding) requirements for finishing pigs during transport

John McGlone, Avi Sapkota, Anna Johnson, Rebecca Kephart

Research output: Contribution to journalArticle

7 Scopus citations

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.

Original languageEnglish
Pages (from-to)515-523
Number of pages9
JournalAnimals
Volume4
Issue number3
DOIs
StatePublished - Aug 19 2014

Keywords

  • Boarding
  • Pig
  • Transportation
  • Ventilation
  • Welfare

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