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How to calculate a dog’s due date

2025-10-30 02:44:31 pet

How to calculate a dog’s due date

In the past 10 days, the topic of pet care has continued to increase in popularity on the Internet. Among them, "how to calculate the due date of dogs" has become the focus of many pet owners. Whether you are a first-time dog breeder or an experienced owner, accurately calculating your due date is crucial to ensuring the health of your mother and puppies. This article will give you a detailed introduction to the calculation method, precautions and related data of the dog's due date to help you take better care of your dog.

1. Basic calculation method of dog’s due date

How to calculate a dog’s due date

A dog's due date is usually calculated from the date of breeding, with the average gestation period being 63 days, but the actual range may be between 58-68 days. Here are a few common calculation methods:

Calculation methodSpecific operationsThings to note
Breeding day methodCalculated from the last breeding day, the 63rd day is the expected date of deliveryAccurate breeding date needs to be recorded
Ovulation day methodCalculated from the ovulation day of the female dog, days 62-64 are the expected date of deliveryProfessional testing is required to determine the day of ovulation
B-ultrasound detection methodObserve the fetal development through B-ultrasound, and the veterinarian will give the expected date of delivery.High accuracy, but requires professional equipment

2. Factors affecting the expected date of delivery

A dog's due date is not fixed and may be brought forward or delayed by the following factors:

1.Variety differences: The gestation period is usually shorter for small dogs (such as Chihuahuas and Poodles) and may be slightly longer for large dogs (such as Golden Retrievers and German Shepherds).

2.number of fetuses: When the number of pregnancies is large, the female dog may give birth early.

3.Female dog health status: Malnutrition or disease may affect the pregnancy cycle.

Dog breed typeAverage gestation period (days)Common fluctuation range (days)
small dog60-6258-65
medium sized dog6360-65
large dogs64-6562-68

3. Preparations before the expected delivery date

To ensure the smooth delivery of the female dog, it is recommended to make the following preparations in advance:

1.Delivery room layout: Choose a quiet, warm, ventilated environment and lay it with clean and soft bedding.

2.diet modification: In the late pregnancy, increase high-protein and high-calcium foods and eat small amounts frequently.

3.Body temperature monitoring: 24 hours before delivery, the body temperature of the female dog will drop below 37°C.

4. Signs that the due date is approaching

When your dog exhibits the following behaviors, it may indicate that labor is about to begin:

Type of signSpecific performanceAppearance time
behavioral changesRestlessness and frequent digging12-24 hours before delivery
Physiological changesDecreased appetite, breast secretion of colostrum24-48 hours before delivery
uterine contraction responseAbdominal contractions and shortness of breathBeginning stage of labor

5. Suggestions for handling special situations

1.Not giving birth beyond the expected date of delivery: If the baby still hasn’t given birth after 68 days, contact a veterinarian immediately for examination.

2.signs of premature labor: If vaginal bleeding or strong uterine contractions (earlier than 58 days) are found, emergency medical treatment is required.

3.Judgment of dystocia: Strong uterine contractions last for 2 hours without the birth of puppies, or the interval exceeds 4 hours.

Through scientific due date calculation and careful observation and care, you can be fully prepared for your dog's delivery. If you have any questions about the calculation process or the birth situation, it is recommended to consult a professional veterinarian in time to ensure the safety and health of the mother dog and puppies.

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