Dog Heat Cycle Calculator

Use our Dog Heat Cycle Calculator to estimate when your dog will go into heat based on her breed, age, and previous cycle history. This tool will help you better track your dog's reproductive health.

List of the Top 10 Best Dog Food:

# Image Product Link
1 Purina ONE Chicken and Rice Formula Dry Dog Food - 40 lb. Bag Purina ONE Chicken and Rice Formula Dry Dog Food - 40 lb. Bag View on Amazon
2 Amazon Brand – Wag Dry Dog Food, Salmon and Brown Rice, 30 lb Bag (Pack of 1) Amazon Brand – Wag Dry Dog Food, Salmon and Brown Rice, 30 lb Bag (Pack of 1) View on Amazon
3 Purina ONE Chicken and Rice Formula Dry Dog Food - 16.5 lb. Bag Purina ONE Chicken and Rice Formula Dry Dog Food - 16.5 lb. Bag View on Amazon
4 Purina Beneful Small Breed Wet Dog Food Variety Pack, IncrediBites With Real Beef, Chicken and Salmon - (Pack of 30) 3 Oz. Cans Purina Beneful Small Breed Wet Dog Food Variety Pack, IncrediBites With Real Beef, Chicken and Salmon - (Pack of 30) 3 Oz. Cans View on Amazon
5 Pedigree High Protein Adult Dry Dog Food Beef and Lamb Flavor Dog Kibble, 18 lb. Bag Pedigree High Protein Adult Dry Dog Food Beef and Lamb Flavor Dog Kibble, 18 lb. Bag View on Amazon
6 Purina ONE True Instinct With A Blend Of Real Turkey and Venison Dry Dog Food - 7.4 lb. Bag Purina ONE True Instinct With A Blend Of Real Turkey and Venison Dry Dog Food - 7.4 lb. Bag View on Amazon
7 Hill's Science Diet Small & Mini, Adult 1-6, Small & Mini Breeds Premium Nutrition, Dry Dog Food, Chicken & Brown Rice, 4.5 lb Bag Hill's Science Diet Small & Mini, Adult 1-6, Small & Mini Breeds Premium Nutrition, Dry Dog Food, Chicken & Brown Rice, 4.5 lb Bag View on Amazon
8 Purina Pro Plan Small Breed Dog Food With Probiotics for Dogs, Shredded Blend Chicken & Rice Formula - 6 lb. Bag Purina Pro Plan Small Breed Dog Food With Probiotics for Dogs, Shredded Blend Chicken & Rice Formula - 6 lb. Bag View on Amazon
9 Taste of the Wild High Prairie Canine Grain-Free Recipe with Roasted Bison and Venison Adult Dry Dog Food, Made with High Protein from Real Meat and Guaranteed Nutrients and Probiotics 28lb Taste of the Wild High Prairie Canine Grain-Free Recipe with Roasted Bison and Venison Adult Dry Dog Food, Made with High Protein from Real Meat and Guaranteed Nutrients and Probiotics 28lb View on Amazon
10 Purina ONE Plus Healthy Weight High-Protein Dog Food Dry Formula - 40 lb. Bag Purina ONE Plus Healthy Weight High-Protein Dog Food Dry Formula - 40 lb. Bag View on Amazon

Understanding the Dog Heat Cycle

The dog heat cycle is a natural part of a female dog's reproductive life. It occurs several times a year and lasts for about 2-3 weeks. Understanding your dog's heat cycle can help you plan for her health, care, and potential breeding.

Heat Cycle Phases

  • Proestrus: This is the beginning of the heat cycle, lasting about 7-10 days. Your dog may show signs of swelling and bleeding.
  • Estrus: This phase lasts about 5-10 days and is when your dog is fertile. You'll notice a reduction in bleeding and possible changes in behavior.
  • Diestrus: After estrus, your dog enters the diestrus phase, which lasts about 60-90 days. During this time, your dog is no longer fertile.
  • Anestrus: The period between heat cycles, lasting about 4-6 months depending on the breed and individual dog.

Factors Influencing the Heat Cycle

Several factors can influence the timing and frequency of your dog's heat cycles:

  • Age: Puppies typically have their first heat cycle around 6-12 months. Older dogs may have less frequent heat cycles.
  • Breed Size: Small breeds often go into heat earlier and more frequently than large breeds. Large breeds may only experience two heat cycles per year.
  • Health and Nutrition: A well-balanced diet and healthy lifestyle contribute to a regular heat cycle.
  • Spaying/Neutering: Spaying your dog will prevent heat cycles altogether, while neutering male dogs prevents unwanted pregnancies and other behavioral issues.