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. 2020 Jul 21;10(7):1236. doi: 10.3390/ani10071236
graphic file with name animals-10-01236-i001.jpg Cattle by ship:
  • (1)

    Bovine respiratory disease

  • (2)

    Injuries from rough sea conditions

  • (3)

    (3) Lameness

Contributing factors (examples)
  • Novel and challenging environments (transport, handling, high noise levels, mixing/ separation) contribute to stress

  • High environmental temperature and humidity en route or at destination

  • Delays in journey time increase risk of disease outbreak, encountering temperature or sea condition extremes, change of diet required.

  • Rough sea conditions

  • Inadequate or failure of ventilation (poor air quality contributes to respiratory disease, suffocation, heat stress)

  • Bedding, hygiene or shelter conditions in feedlots or on ship contribute to heat stress, cold stress, disease transmission

  • Access to feed and water, or insufficient feed requiring a change in diet contribute to inappetence, lost body condition, dehydration, rumen acidosis or enteritis.

Sheep by ship:
  • (1)

    Heat stress

  • (2)

    Suffocation or temperature extremes

  • (3)

    Rumen acidosis

graphic file with name animals-10-01236-i002.jpg Goats, Sheep, Cattle by air:
  • (1)

    Inadequate ventilation