How old is the oldest a saint bernard dog be to have puppies and will still healthy?

It's generally not recommended for Saint Bernards to have puppies after the age of 5 or 6 years old.

Here's why:

* Health risks for the mother: Older Saint Bernards are more susceptible to complications during pregnancy and childbirth, such as:

* Dystocia (difficulty giving birth)

* Cesarean sections

* Uterine infections

* Milk fever

* Health risks for the puppies: Puppies born to older mothers may be more prone to health problems, including:

* Low birth weight

* Weak immune systems

* Congenital defects

In addition to age, other factors to consider include:

* Overall health: A Saint Bernard's general health condition should be excellent.

* Breeding history: If the dog has had previous successful litters, she may be more likely to have a healthy pregnancy.

* Veterinarian's advice: It's crucial to consult with a veterinarian who is familiar with Saint Bernards to assess the individual dog's health and determine if breeding is safe.

Responsible breeders prioritize the health and well-being of both the mother and her puppies. They will typically retire breeding females before they reach an age where health risks increase significantly.