What Causes Puppies to Be Born Dead?

- Canine herpesvirus (CHV) is a highly contagious virus that can infect pregnant bitches and their puppies.

- Toxoplasma gondii is a protozoan parasite that can cause abortion, stillbirth, and neonatal death.

- Brucella canis is a bacterium that can cause abortion, stillbirth, and weak or stillborn puppies.

- Leptospira is a type of bacteria that can cause abortion, stillbirth, and neonatal septicemia.

2. Hereditary disorders:

- Genetic defects can lead to a variety of problems that can cause puppies to be born dead.

- Congenital anomalies, such as heart defects, cleft palates, and spina bifida, can be fatal.

3. Nutritional deficiencies:

- A lack of essential nutrients, such as vitamins A and E, can lead to fetal development problems and stillbirth.

4. Hormonal imbalances:

- Abnormal levels of certain hormones, such as progesterone, can lead to abortion or stillbirth.

5. Environmental factors:

- Physical trauma: Injury to the mother during pregnancy, such as being hit by a car or falling, can cause the death of the puppies.

- Extreme temperatures: Heat stress can cause the mother's body temperature to rise too high, which can lead to miscarriage or stillbirth.

- Chemical toxins: Exposure to certain chemicals, such as pesticides and cleaning products, can also harm puppies.