Providing helpful information, tips, and advise about Heeler dogs
Three steps to make sense of the result.
Use an ovulation estimate if available.
Ovulation and mating dates have different uncertainty.
Plan veterinary monitoring around the estimated period.
Canine gestation is commonly estimated at about 63 days from ovulation, with a relatively narrow window when ovulation timing is known. Counting from mating is less reliable because mating, ovulation and fertilization do not necessarily occur on the same day.
Sperm may remain viable for several days, and a dog can be bred before or after ovulation. A breeding date alone cannot pinpoint conception. Veterinary progesterone testing and other assessments can improve dating.
Discuss pregnancy confirmation, fetal monitoring, nutrition and a whelping plan with your veterinarian. Seek urgent veterinary advice for concerning discharge, prolonged straining, severe distress, or other complications; do not rely on a date calculator to decide when care is needed.