Affections Of Specific Parts and Organs of Food Animals

- VIII. Affections of the Spleen

1.Enlargement

Causative agent: Various diseases (e.g. anthrax, swine erysipelas, leukemia, Bl. parasites) Judgment: Condemn affected spleen ,if associated with systemic disease total condemnation

 

2.Tuberculosis

Causative agent: Mycobacterium spp.

Judgment: Total condemnation if there is generalized TB.

3.Parasitic Affections

Causative agent: Hydatid cyst, Linguatula, liver flukes, cysticerci.

Judgment: Condemn spleen in heavy infestation.

s4.Haematoma

Causative agent: Trauma or foreign body.

Judgment: Condemn affected spleen.

5.Slaughter Spleen

Causative agent: The condition occurs in cattle due to long pitting cane (more than 60 cm), which cause destruction of vasoconstrictor nerve (splenic nerve) followed by dilatation and congestion of spleen. The condition encountered in pig as a result of post mortem finding of live scalding.

Judgment: Condemn affected spleen.

6.Abscess

Causative agent: Abscesses of spleen may be occurs due to penetration of foreign bodies from the reticulum and lodgments of septic emboli.

Judgment: Condemn affected spleen.

7.     Infarctions

Causative agent: End artery occlusion.

Judgment: Condemn affected spleen.

8.     Neoplasms

Causative agent: Leukaemia, lymphosarcoma, melanoma

Judgment: Condemn affected spleen.