Salmonella Gallinarum causes Fowl Typhoid, an acute or chronic septicaemic disease of mature chickens.
Clinical disease is usually seen in older chickens, young chicks may be affected.
- Respiratory distress and depression.
- The most characteristic clinical sign is mucoid yellow diarrhoea.
- Sporadic mortality over a long period.
- May follow acute or sub-acute disease.
- Loss of condition and severe anaemia is seen.
Transmission of S. Gallinarum
- Excreted in the faeces of infected birds.
- S. Gallinarum persists in faeces for at least one month and longer in carcasses.
- Egg transmission may also occur.