Lymphosarcoma

This disease primarily affects young sows, weaners and growers. The key clinical signs include a potbellied appearance; loss of weight; pale skin.
calendar icon 15 November 2018
clock icon 6 minute read

Background and history

This is a tumour affecting all the lymph glands throughout the body but particularly those of the intestines and lungs. The condition is very occasionally seen in the Large White breed, where a hereditary component is thought to be involved.

Reported levels of lymphosarcoma found at slaughter are extremely low (0.002 percent).

Clinical signs

  • Usually seen in young growing pigs.
  • Pale skin.
  • Sometimes slightly jaundiced.
  • Loss of weight.
  • Potbellied appearance – abdomen distended.
  • Enlarged glands may be seen in the neck.
  • Most pigs die within 4–5 months.

Diagnosis

This is based on clinical tests confirmed by post mortem examinations.

Causes

The causes are unknown but it is thought to be associated with a virus and genetic predisposition.

Treatment

There is no treatment. Destroy affected pigs

Emily Houghton

Editor, The Pig Site

Emily Houghton is a Zoology graduate from Cardiff University and was the editor of The Pig Site from October 2017 to May 2020. Emily has worked in livestock husbandry, and has written, conducted and assisted with research projects regarding the synthesis of welfare and productivity of free-range food species.

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