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Male & Female Shih Tzu Weights & Heights by Age

Written by: Ejay C.
| Published on August 9, 2023

Delicate and distinctive, Shih Tzus are a beloved toy breed known for their flowing coat and charming personality. But as puppies, these little lions start off even smaller, making it imperative for owners to be well-informed about their growth patterns. Understanding the average weights and heights of Shih Tzu puppies not only aids in ensuring they’re developing healthily but also assists in anticipating their needs as they mature. This article delves into the typical growth trajectories of Shih Tzu puppies, providing essential insights for both new and experienced Shih Tzu parents.

Male Shih Tzu Weights & Heights by Age

The following chart contains the average weights and heights of a male Shih Tzu 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 Shih Tzu’s growth.

Age Weight (pounds) Weight (kg) Height (inches) Height (cm)
0 months 1-2 0.5-0.9 2-3 5-7.6
1 month 2-4 0.9-1.8 3-4 7.6-10.2
2 months 4-7 1.8-3.2 4-5 10.2-12.7
3 months 5-8 2.3-3.6 5-6 12.7-15.2
6 months 8-12 3.6-5.4 7-8 17.8-20.3
9 months 9-14 4.1-6.4 8-9 20.3-22.9
12 months 10-16 4.5-7.3 8-11 20.3-27.9
2 years 11-16 5-7.3 8-11 20.3-27.9
3 years 11-16 5-7.3 8-11 20.3-27.9

 

Female Shih Tzu Weights & Heights by Age

The following chart contains the average weights and heights of a female Shih Tzu 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 Shih Tzu’s growth.

Age Weight (pounds) Weight (kg) Height (inches) Height (cm)
0 months 1-2 0.5-0.9 2-3 5-7.6
1 month 2-3.5 0.9-1.6 3-4 7.6-10.2
2 months 3.5-6 1.6-2.7 4-5 10.2-12.7
3 months 4-7 1.8-3.2 5-6 12.7-15.2
6 months 7-11 3.2-5 6-8 15.2-20.3
9 months 8-13 3.6-5.9 7-9 17.8-22.9
12 months 9-15 4.1-6.8 8-10 20.3-25.4
2 years 9-15 4.1-6.8 8-10 20.3-25.4
3 years 9-15 4.1-6.8 8-10 20.3-25.4

These charts should serve as general guidelines. It is always advisable to consult with a veterinarian to get the most accurate information for your specific Shih Tzu.

 

FAQs about a Shih Tzu Puppy’s Growth and Development

  1. How big will my Shih Tzu get? Shih Tzus are considered a toy breed, and they typically weigh between 9 to 16 pounds when fully grown. Their height can range from 8 to 11 inches at the shoulder.
  2. When will my Shih Tzu be fully grown? Most Shih Tzus reach their adult size by the age of one year. However, some can continue to grow slightly until they’re 18 months old.
  3. Is my Shih Tzu underweight? If you can visibly see the ribs or spine, or feel them with only a slight touch, your Shih Tzu might be underweight. Always consult with your vet about your puppy’s weight concerns.
  4. Why is my Shih Tzu not growing? Genetics, nutrition, and health issues can impact a Shih Tzu’s growth. If you have concerns about your puppy’s growth rate, it’s essential to consult a veterinarian.
  5. How often should I feed my Shih Tzu puppy? Shih Tzu puppies should be fed three to four times a day. As they approach adulthood, this can be reduced to twice daily.
  6. What type of food promotes healthy growth? High-quality puppy food that meets AAFCO standards and is appropriate for small breed puppies can help support healthy growth.
  7. Are there any supplements I should give my Shih Tzu for better growth? It’s best not to give supplements unless recommended by a veterinarian. Over-supplementing can cause more harm than good.
  8. How do I know if my Shih Tzu is the right height and weight for its age? Refer to a Shih Tzu growth chart and regularly check your puppy’s weight and height. However, individual growth can vary, so it’s also essential to consult with your vet.
  9. Can I predict my Shih Tzu’s adult size based on its puppy size? While you can make an educated guess using growth charts, individual growth rates and genetics can cause variations.
  10. Why is my Shih Tzu puppy eating so much but not gaining weight? There could be several reasons, including parasites, health issues, or a high metabolism. Consult with your veterinarian for a proper diagnosis.
  11. Do male and female Shih Tzus grow at the same rate? Generally, male Shih Tzus might grow slightly larger than females, but growth rate can vary widely among individual puppies.
  12. How can I ensure my Shih Tzu’s bones grow strong? Provide them with balanced nutrition, and avoid high-impact exercises while they’re still growing.
  13. Is it normal for Shih Tzu puppies to have growth spurts? Yes, like many dogs, Shih Tzus can experience growth spurts, with most rapid growth occurring between 0-6 months.
  14. What exercises are safe for my growing Shih Tzu? Low-impact exercises like walking and light play are ideal. Avoid strenuous activities that strain their joints.
  15. When will my Shih Tzu’s growth plates close? For most Shih Tzus, growth plates close around the age of 12 months, but this can vary.
  16. Should I neuter/spay my Shih Tzu, and will it affect their growth? It’s a personal choice to neuter or spay your pet. Some studies suggest that early neutering/spaying can affect growth, so discuss the best timing with your vet.
  17. My Shih Tzu has an uneven gait. Is this related to its growth? Puppies can have an awkward gait during growth spurts. However, persistent limping or unevenness should be checked by a vet.
  18. How long does the teething phase last in Shih Tzus? Shih Tzu puppies start teething around 3 weeks and usually finish by 7-8 months when they get their adult teeth.
  19. Can environmental factors affect my Shih Tzu’s growth? Yes, factors like nutrition, exercise, and overall care can impact your Shih Tzu’s growth and development.
  20. How do I know if my Shih Tzu’s growth is stunted? If your Shih Tzu is consistently below the growth chart averages and seems smaller than its littermates, consult with a vet. Some factors can stunt growth, such as malnutrition or underlying health issues.

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