St. Bernard, a gentle giant known for its iconic role in alpine rescues, boasts an impressive and formidable stature even as a puppy. As these gentle behemoths grow, new owners often find themselves curious, if not somewhat overwhelmed, by their rapid size progression. In this article, we’ll explore the average weights and heights of St. Bernard puppies, charting their journey from cuddly pups to towering adults. Whether you’re a potential St. Bernard owner or merely intrigued by their growth patterns, we aim to provide you with comprehensive insights into their developmental milestones.
Male St. Bernard Weights & Heights by Age
The following chart contains the average weights and heights of male St. Bernards from newborn to 3 years of age. Please note these are only averages. Always consult with your veterinarian if you have any concerns about your St. Bernard’s growth.
| Age | Weight (pounds) | Weight (kg) | Height (inches) | Height (cm) |
|---|---|---|---|---|
| Newborn | 1.1 – 1.4 | 0.5 – 0.6 | 3.5 – 4 | 8.9 – 10.2 |
| 1 Month | 12 – 20 | 5.4 – 9.1 | 7 – 9 | 17.8 – 22.9 |
| 2 Months | 24 – 40 | 10.9 – 18.1 | 11 – 14 | 27.9 – 35.6 |
| 3 Months | 40 – 55 | 18.1 – 25 | 14 – 17 | 35.6 – 43.2 |
| 4 Months | 55 – 70 | 25 – 31.8 | 17 – 21 | 43.2 – 53.3 |
| 5 Months | 70 – 85 | 31.8 – 38.6 | 21 – 24 | 53.3 – 61 |
| 6 Months | 85 – 100 | 38.6 – 45.4 | 24 – 27 | 61 – 68.6 |
| 7 Months | 95 – 115 | 43.1 – 52.2 | 26 – 29 | 66 – 73.7 |
| 8 Months | 105 – 130 | 47.6 – 59 | 27 – 30 | 68.6 – 76.2 |
| 9 Months | 115 – 140 | 52.2 – 63.5 | 28 – 31 | 71.1 – 78.7 |
| 10 Months | 120 – 150 | 54.4 – 68 | 29 – 32 | 73.7 – 81.3 |
| 11 Months | 130 – 160 | 59 – 72.6 | 30 – 33 | 76.2 – 83.8 |
| 12 Months | 140 – 175 | 63.5 – 79.4 | 30 – 34 | 76.2 – 86.4 |
| 2 Years | 160 – 200 | 72.6 – 90.7 | 32 – 36 | 81.3 – 91.4 |
| 3 Years | 170 – 220 | 77.1 – 99.8 | 33 – 37 | 83.8 – 94 |
Female St. Bernard Weights & Heights by Age
The following chart contains the average weights and heights of female St. Bernards from newborn to 3 years of age. Please note these are only averages. Always consult with your veterinarian if you have any concerns about your St. Bernard’s growth.
| Age | Weight (pounds) | Weight (kg) | Height (inches) | Height (cm) |
|---|---|---|---|---|
| Newborn | 1 – 1.3 | 0.45 – 0.59 | 3 – 3.5 | 7.6 – 8.9 |
| 1 Month | 10 – 18 | 4.5 – 8.2 | 6 – 8 | 15.2 – 20.3 |
| 2 Months | 20 – 35 | 9.1 – 15.9 | 9 – 12 | 22.9 – 30.5 |
| 3 Months | 35 – 50 | 15.9 – 22.7 | 12 – 16 | 30.5 – 40.6 |
| 4 Months | 50 – 65 | 22.7 – 29.5 | 15 – 19 | 38.1 – 48.3 |
| 5 Months | 60 – 75 | 27.2 – 34 | 18 – 22 | 45.7 – 55.9 |
| 6 Months | 70 – 85 | 31.8 – 38.6 | 20 – 24 | 50.8 – 61 |
| 7 Months | 75 – 95 | 34 – 43.1 | 22 – 26 | 55.9 – 66 |
| 8 Months | 80 – 105 | 36.3 – 47.6 | 23 – 27 | 58.4 – 68.6 |
| 9 Months | 85 – 115 | 38.6 – 52.2 | 24 – 28 | 61 – 71.1 |
| 10 Months | 90 – 125 | 40.8 – 56.7 | 24 – 29 | 61 – 73.7 |
| 11 Months | 95 – 135 | 43.1 – 61.2 | 25 – 30 | 63.5 – 76.2 |
| 12 Months | 100 – 145 | 45.4 – 65.8 | 25 – 31 | 63.5 – 78.7 |
| 2 Years | 120 – 175 | 54.4 – 79.4 | 27 – 33 | 68.6 – 83.8 |
| 3 Years | 130 – 190 | 59 – 86.2 | 28 – 34 | 71.1 – 86.4 |
These tables are based on general guidelines and can vary greatly depending on individual dogs. Always consult with a veterinarian or professional breeder for more specific information about your pet’s growth and development.
FAQs about a St. Bernard Puppy’s Growth and Development
1. How big will my St. Bernard puppy get when fully grown?
St. Bernards are considered giant breeds. Adult males typically weigh between 140-220 pounds (63.5-99.8 kg) and stand 28-35 inches (71-89 cm) tall. Females are slightly smaller, often weighing 120-190 pounds (54.4-86.2 kg) and measuring 26-31 inches (66-78.7 cm) in height.
2. When will my St. Bernard stop growing?
St. Bernards typically reach their full height by 18 months, but they can continue to fill out in weight and muscle until they’re about 2-3 years old.
3. How often should I feed my St. Bernard puppy?
For the first 3 months, feeding your puppy 3-4 times a day is recommended. After this period, transitioning to 2-3 meals a day is ideal as they grow.
4. When should I transition from puppy food to adult dog food?
It’s recommended to switch St. Bernard puppies to adult dog food between 12-18 months. Always choose a formula designed for large breeds to ensure balanced nutrition.
5. How much should my St. Bernard puppy eat?
The amount varies based on age, weight, and activity level. Always follow the guidelines on the dog food package and consult your vet to ensure you’re feeding the right amount.
6. Is it possible for my St. Bernard to grow too quickly?
Yes, rapid growth can lead to skeletal issues in large breeds. It’s essential to monitor their diet and ensure they’re not gaining weight too swiftly.
7. What are common growth-related health issues in St. Bernards?
Hip dysplasia, elbow dysplasia, and osteochondritis are some conditions associated with rapid growth in St. Bernards.
8. Are there specific dietary needs for a growing St. Bernard?
Yes, due to their large size, they require a diet balanced in calcium and phosphorus for bone development and a controlled amount of calories to prevent rapid growth.
9. How can I ensure my St. Bernard’s joints stay healthy during growth?
Feeding a balanced diet, avoiding excessive jumping or rough play, and using joint supplements like glucosamine can support joint health.
10. When will my St. Bernard puppy lose its baby teeth?
Most puppies, including St. Bernards, begin losing their baby teeth around 3-4 months of age.
11. Can I predict my puppy’s adult size based on its parents?
While the size of the parents gives some indication, genetics can be unpredictable. However, looking at both parents can provide a general idea of the potential size range.
12. How much exercise does my St. Bernard puppy need?
While they’re playful as puppies, St. Bernards don’t require intense exercise. Short daily walks coupled with playtime should suffice.
13. My St. Bernard puppy seems smaller/larger than its littermates. Should I be concerned?
Puppies can vary in size within a litter. However, if you’re concerned about your puppy’s growth or health, it’s best to consult your vet.
14. Can neutering or spaying my St. Bernard affect its growth?
Altering can affect the growth plates in dogs. Some studies suggest waiting until large breed dogs reach physical maturity before neutering or spaying to reduce the risk of certain health issues.
15. How do I ensure my St. Bernard’s coat grows thick and healthy?
A balanced diet, regular grooming, and occasional baths with a suitable dog shampoo can promote a healthy, thick coat.
16. Are there growth-specific milestones I should watch for?
While each dog is unique, milestones include teething, reaching half of the adult weight by 4-5 months, and achieving full height by 18 months.
17. Is crate training suitable for a growing St. Bernard?
Yes, but ensure the crate is appropriately sized for your growing puppy and is a space of comfort and safety.
18. Should I use growth supplements for my St. Bernard?
It’s essential to consult with your vet before introducing any growth supplements. Often, a balanced diet will provide all the necessary nutrients.
19. My St. Bernard seems to eat a lot but isn’t gaining weight. Why?
St. Bernards have a fast metabolism during their growing phase. However, if you have concerns about weight gain or overall health, it’s vital to consult your vet.
20. How do I know if my St. Bernard’s growth is on track?
Regular vet check-ups and comparing your puppy’s progress to breed-specific growth charts can provide insights.
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