Diseases causing Abortion in Animals

 

Some disease may produce abortion:

1. Brucellosis:

Organism (Brucella abortus)

duration of pregnancy (last trimester)

change in foetus (fibrinous serositis, placentitis; bronchopneumonia)

2. Compylobacteriosis:

Organism (vibrio foetus)

duration of pregnancy (early pregnancy 2nd trimester)

change in foetus (placentitis, bronchopneumonia)

3. Listeriosis:

Organism: (listeria monocytogenes)

duration of pregnancy (8th to 9th month)

change in foetus (placentitis)

4. Trichomoniasis:

Organism (Trichomonas foetus)

duration of pregnancy (first half of pregnancy 2-4 month)

change in foetus (placentitis, bronchopneumonia)

5. Infectious bovine rhino tracheitis:

duration of pregnancy (5th to 9th month)

change in foetus (necrosis of liver, lungs)

6. Leptospirosis:

Organism: (leptospirosis Pomona, L.icterohaemorrhagiae)

duration of pregnancy (6th to 7th month 2nd last trimester)

change in foetus (placentitis, yellowish cotyledon)

foetus decide the day of birth and dam decide the time of birth.