POULTRY DISEASES AFFECTING THE DIGESTIVE SYSTEM

Written by: Dr. Jacquie Jacob, University of Kentucky

The intestinal system includes the small and large intestines.

VIRAL INFECTIONS

Hemorrhagic Enteritis

Clinical signs of Hemorrhagic Enteritis, a disease affecting turkeys, including the following:

    • Unthriftiness
    • Blood droppings
    • Death

BACTERIAL INFECTIONS

Salmonella

Clinical signs of Colibacillosis include the following:

    • Unthriftiness
    • Diarrhea
    • Respiratory signs
    • Lameness

Ulcerative or Necrotic Enteritis

Clinical signs of Ulcerative or Necrotic Enteritis include the following:

    • Unthriftiness
    • Diarrhea
    • Weight loss
    • Death
    • Additional bacterial infections

Other bacterial infections that can affect the intestinal system can include the following:

PARASITES

Coccidia

Coccidia are internal parasites. Clinical signs of coccidiosis include the following:

    • Bloody droppings
    • Diarrhea
    • Weight loss
    • Unthriftiness
    • Ruffled feathers
    • Chills
    • Huddling behavior
    • Increased likelihood of death

Use of anticoccidial medications and vaccines in poultry production

Worms

Worms are internal parasites. Clinical signs of worm infestation include the following:

    • Unthriftiness
    • Gasping (a symptom of gapeworms)

Blackhead

Blackhead is caused by infestation with internal parasites. Clinical signs or blackhead include the following:

    • Ruffled feathers
    • Huddling behaviors
    • Yellow droppings
    • Death

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