Chihuahua Growth Chart

Chihuahuas are tiny creatures with sensitive nature and long-lasting life. You can adopt them as pets if you want a long-living canine. While adopting them, they know they can’t survive without their mom in their initial growth stage.

It takes them eight weeks to be up for adoption. Apart from this, they don’t grow overnight; you should know many chihuahua growth stages to put them well. For that, this chihuahua growth chart in lbs can be of help.

chihuahua growth Stages chart

The Growth Phases of Chihuahuas: Puppy to Adulthood

The Chihuahua’s growth stage begins from the day they enter this world. They grow week by week and their growth period comprises many stages ranging from neonatal to adulthood.

Amidst these stages come transitional, socialization, juvenile, and adolescent stages. These stages have their own beauty and bring about changes in the puppy’s body. For more detailed knowledge, delve into the chihuahua puppy growth chart below.

Growth StageStage DurationChanges in the Body
Neonatal Stage0-2 weeks– Chihuahua breed puppies are completely dependent on their mother for warmth, nutrition, and care. They are unable to see or hear.
Transitional Stage2-4 weeks– Puppies’ eyes and ears start to open, becoming more aware of their surroundings. – They begin to wobble around on unsteady legs and may attempt to explore.
Socialization Stage4-12 weeks– Chihuahua puppies start to play and interact with littermates and mother. – They develop social skills and learn from their experiences.
Juvenile Stage3-6 months– Rapid growth and teething occur. – Puppies may become more independent and test boundaries.
Adolescent Stage6 months – 2 years– Continued physical and mental maturity takes place during their first year. – Adolescents may challenge authority and display some stubbornness.
Adulthood2 years and older– Chihuahuas have reached their full size and physical development. – Personality and temperament are well-established.

Apart from this table, you can analyze your pet’s growth with a growth calculator!

Predicting Chihuahua Size: Factors Influencing Adult Dimensions

Every Chihuahua’s parent wishes to watch their little buddy grow fast, but a few factors can influence their growth in terms of weight and size of Chihuahua.

  • Genetics: It is the most crucial aspect of a Chihuahua’s growth. The growth of these canines relies mainly on how their genes gained from female chihuahua, and male chihuahua parents interact with each other. If they progress in their growth, they adopt good genes. Not to mention, slower growth doesn’t mean having bad genes; it’s all about what they get from their parents.
  • Health Condition: Since pets play outside the house, they become more prone to diseases. If they suffer from an underlying health condition undiagnosed, their growth can hinder. This is why visiting the vet for the pup’s check is necessary.
  • Exercise: Dogs grow by participating in physical activities such as playing or taking them for a walk in the park. However, did you know that you can unintentionally hurt them if their physical activity intensity increases? Their leg bones contain soft growth plates known as epiphyseal plates. If they are broken and face injury, there are chances your dog may not grow.
  • Hormones: The chihuahua’s weight and size growth occurs due to the release and functioning of growth hormones. If it functions well, your puppy will grow on time; if it doesn’t, you should take your pet to the vet.
  • Diet: Chihuahuas need a lot of calcium, phosphorus, and other beneficial mineral and nutrients. If their diet doesn’t contain them, they’ll not grow properly.

Healthy Nutrition for Optimal Chihuahua Growth

To ensure your Chihuahua grows strong and healthy by age, providing them with the correct nourishment is crucial. Because they are small dogs, their growth relies on specific dietary requirements.

Supplying them with a well-balanced diet that includes protein, carbohydrates, fats, vitamins, and minerals is vital. You should consider purchasing top-notch dog food made specifically for small breeds.

Seeking regular guidance from a veterinarian can ensure that Chihuahua puppies, with their small size making them susceptible to hypoglycemia, are fed multiple small meals to prevent the condition.

Adjusting their food as they grow is necessary due to their changing dietary requirements, and tailoring their diet to their specific needs promotes healthy growth.

Socialization and Training: Nurturing a Well-Rounded Chihuahua

Early socialization and training are crucial for helping your Chihuahua become a well-adjusted and well-behaved adult dog.

Socialization involves exposing them to various people, animals, environments, and experiences during their puppyhood. This exposure helps them develop confidence and reduces the likelihood of fear-based behavioral issues in the future.

Positive reinforcement training methods work best for Chihuahuas. They respond well to praise and treats, so use these to encourage good behavior.

Be consistent and patient when training these small dogs; they can be sensitive and may not respond well to harsh methods.

Proper training sets the foundation for a strong bond between the Chihuahua and its owner, leading to a happy and confident companion.

Monitoring Health Milestones: Ensuring a Happy, Growing Chihuahua

Regular health check-ups with a veterinarian are essential throughout your Chihuahua’s growth stages. These visits help ensure that the puppy is growing at a healthy rate and that there are no underlying health issues.

Your veterinarian will also provide vaccinations, parasite control, and dental health checks as part of a comprehensive healthcare routine.

Monitoring weight and body condition is crucial, especially during rapid growth. Overfeeding can lead to obesity, which stresses their delicate bones and joints.

On the other hand, underfeeding can stunt their growth and cause developmental problems. Your veterinarian can guide you on maintaining a healthy weight and growth rate for your Chihuahua.

By paying attention to nutrition, socialization, and healthcare, Chihuahua owners can give their pups the best chance of growing into well-adjusted, healthy, and happy adult dogs.


To sum up, Chihuahuas are the most adorable creatures. If you live in the western part of the world, you’ll get to find them there. They don’t have much long hair, but luckily they live a long life.

Furthermore, as they grow, they need proper nutrition, exercise, socialization training and visits to the vet for a check. It is essential for their growth and healthy life. Until then, happy reading.

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