If the pet's heart was not examined at that time, it is usually the unexpected death of the puppy that makes this disease suspect. (2ndchance.info)
Herpes infection manifests in pregnancy as resorption of the embryos, abortion of the fetuses, stillbirth, or death of puppies within a few weeks of life. (marvistavet.com)
«A failure to recognise difficult births early may result in death of the puppies and / or the mother,» says Dr Kenneth Tong from Animal & Avian Veterinary Clinic. (petsmagazine.com.sg)