Neapolitan Mastiff Growth Chart (Weight Chart & Size Chart)

Neapolitan Mastiffs are known as household guard dogs in Southern Italy. If you own one of these dogs, a Neapolitan Mastiff growth chart will come in handy.

Because of their friendly demeanor and imposing look, they are fondly referred to as gentle giants. Some people refer to them as Mastinos or Neos.

Because of its large size, this breed will require a lot of areas to be comfortable.

Apartments are not appropriate unless you can take your dog outside frequently or if your unit has enough space.

Neapolitan Mastiff Growth Chart
Neapolitan Mastiff Growth Chart

Neapolitan Mastiffs demand special care and attention because they drool a lot.

Because of their loose skin, Neapolitan Mastiffs develop extensive facial wrinkles. This unusual breed moves slowly and cautiously, but this does not make it weak.

Neos are apprehensive of outsiders, although they are not vicious fighters. They will, however, fiercely defend their owners if the need arises.

To know more information about Neapolitan Mastiff, keep reading the entire article!

nformation on Neapolitan Mastiff
Information on Neapolitan Mastiff

When Do Neapolitan Mastiffs Stop Growing?

This is not a straightforward question that can be addressed on the spur of the moment. When different breeds mature, it may not be a completely true answer, especially because dogs differ even within the same breed.

This is why we must understand the breed standard and how it develops while still leaving opportunities for mistakes.

Neapolitan Mastiffs are known to grow rapidly, with some of them gaining 50 to 150 pounds in the first 15 months of their existence.

This would imply significant changes in their development as well as the requirement for their owner to grasp what is going on in their biology.

As an owner, it will undoubtedly have an impact on you in terms of the area allotted to this breed as well as accessories such as collars.

The majority of Neapolitan Mastiffs reach full maturity between the ages of 15 and 18 months. In their first year of life, they will grow taller than they will wide.

Then, after a year, their head bones and chest will grow rapidly.

Neapolitan Mastiff Growth Pictures

Neapolitan Mastiff puppies
Neapolitan Mastiff puppies
File:Standing Neo.jpg - Wikimedia Commons
Neapolitan Mastiff puppy

What is the Standard Neapolitan Mastiff Size

The Neapolitan Mastiff is a huge and powerful dog, weighing 50–70 kg (110–150 lb) and standing 60–75 cm (24–30 in) at the withers. The length of the body is approximately 15% greater than the height.

Neapolitan Mastiff Weight Chart

Here is the weight chart of a Neapolitan Mastiff:

AgeWeight (lbs)Weight (kg)
3 Months44 – 48.5 lbs20 – 22 kg
6 Months77 – 88 lbs35 – 40 kg
8 Months95 – 106 lbs43 – 48 kg
10 Months114 – 128 lbs52 – 58 kg
12 Months121 – 137 lbs55 – 62 kg
16 Months132 – 143 lbs60 – 65 kg
18 Months143 – 148 lbs65 – 67 kg
Neapolitan Mastiff Weight Chart

Neapolitan Mastiff Growth Chart – What To Expect
Neapolitan Mastiff Weight Chart by Age

Neapolitan Mastiff Weight  1-2 weeks

When they are young, Neapolitan Mastiffs are quite energetic. However, as they get older, they tend to become couch potatoes.

Neos are born in litter sizes ranging from 4 to 12 puppies, and they are completely reliant on their moms to feed, cleanse, and keep them warm.

Allow them to spend this time with their mothers without interference from outsiders.

If one of the puppies is rejected by their mother, you can step in to assist. Remember that they must be kept warm and will require a canine milk replacement.


Neapolitan Mastiff Weight 3-12 weeks

At this point, Neapolitan Mastiffs do not have eyesight or adequate limb usage.

During this stage, you may notice several changes in your Neapolitan Mastiff. One of the major changes that your puppy will have to go through is a change in his diet because he is now ready to eat solid foods.

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Because your Neapolitan Mastiff is still young, you should introduce new foods gradually and gently.

If you feed him high-quality puppy kibble or home-cooked food, it must be the proper size and texture for his sensitive and tender lips.

Some kibble chunks may be too hard for him, so you should have something liquid on hand to make it easier for him.

Females should weigh between 17 and 20 kg at the conclusion of this period, while males should weigh between 19 and 22 kg.


Neapolitan Mastiff Weight 4-9 months

During this time, your Neapolitan Mastiff will enter their first heat cycle, which occurs between the ages of 6 and 9 months.

It normally lasts approximately two weeks, and you should be on the lookout for your dog acting differently as a result of his desire to mate with other dogs.

He may flee to be with other dogs, so make sure your yard is adequately fenced. Female Neapolitan Mastiffs typically weigh between 31 and 36 kg at 6 months of age, while males weigh between 35 and 40 kg.

Neapolitan Mastiff Weight  10-18 months

Your Neapolitan Mastiff will be nearly finished growing at this point, and they should be nearly the size they require.

They are considered fully developed when they are between the ages of 19 and 22 months.

Your Neapolitan Mastiff needs socialization training, especially because he is a large breed with the potential to cause more harm.

Males should weigh between 4 and 62 kg, while females should weigh between 46 and 55 kg.

How To Weigh Your Neapolitan Mastiff Puppy?

If you want to maintain track of your Neapolitan Mastiff’s weight, you must first learn how to weigh him properly.

To begin, you should be able to weigh your Neapolitan Mastiff at home if he is a puppy or if you are just large enough to hold him. This can be accomplished with a standard bathroom scale.

To begin, weigh yourself and record the result. Then, while standing on the scale, pick up your dog and hold him. The difference in weights represents your dog’s weight.

If your dog is too huge to carry, you can either invest in a dog scale, which can cost upwards of $100, or contact your veterinarian. The majority of veterinarian offices will enable you to use their scale.

Unless there is a health problem, you can weigh an adult Neapolitan Mastiff once every six months. Once a week is sufficient for a puppy to ensure he is growing normally.

What Is A Neapolitan Mastiff’s Neck Size?

To determine the neck size of your dog, use a soft and flexible tape measure to determine the neck size of your dog where her collar naturally falls. Then, put two fingers between your dog’s neck and the tape measure to ensure that the dog collar fits snugly but comfortably. Neapolitan Mastiff’s average neck circumference is between 23 and 27 inches.

How Big Do Neapolitan Mastiffs Get?

How big do they get?
How big do they get?

Because Neapolitan Mastiffs are enormous breed dogs, owners want to know how big they will grow so they can make appropriate accommodations.

To begin, consult the weight chart included on this page. Aside from a weight chart, there are several accessible ways.

The best method to predict his future stature is to look at his Neapolitan parents.

You can get a good idea of your Neapolitan’s final size because of DNA passed down across generations.

Examine his paws as well, because dogs with larger paws in proportion to the rest of their body usually have more growing to do. They develop into their paws and skulls by the time they are fully grown.

A DNA test is also an option because it may trace your Neapolitan’s ancestors to see if there are any other breeds in his ancestry that could throw off estimates.

Factors That Affect Neapolitan Mastiff Puppy Growth 

Genetics

Because they inherited their huge size from their ancestors, genetics usually play a significant role in the life of a Neapolitan Mastiff.

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A Neapolitan will be about the same size as his parents.

Gender also plays a role because males are larger than girls and, because their bodies contain various hormones, the sexes develop at different speeds. Females typically reach adulthood before males.

Diet & Nutrition

Diet & Nutrition
Diet & Nutrition

The food of the Neapolitan Mastiff, like its size, is massive. These dogs will require a variety of animal proteins, carbs, vitamins, minerals, and omega-fatty acids in order to stay healthy and live a long life. Though opinions vary, premium dry kibble, particularly that developed for large breeds, is the most preferred Neapolitan Mastiff diet; Blue Buffalo Large Breed and Wellness Large Breed are two recommended brands. Some owners claim to supplement their Neo’s meals with fresh bread, pasta, and fresh meat.

Two concerns about the Neo’s nutrition should be mentioned: first, this breed is prone to bloat, a potentially fatal illness produced by a dog’s stomach fills with excess air when the dog gulps its meal. The disease is more common if a dog eats immediately before or after exercising, so owners are strongly urged not to feed their Neos for an hour before or two hours after a workout. Puppies of Neapolitan Mastiffs should not be fed puppy formula since it includes too much protein for their developing bodies. Veterinarians recommend that Neo pup adult formula be fed from the start.

Dog AgeDog WeightFood TypeAmountFrequency
2 Months25 lbsDry (Adult formula)0.5 cups3x/day
3 Months45 lbsDry0.75 cups3x/day
5 Months75 lbsDry1.25 cups3x/day
7 Months95 lbsDry2 cups2x/day
9 Months120 lbsDry2.25 cups2x/day
12 Months140 lbsDry2.5 cups2x/day
14 Months+160 lbsDry2.75 cups2x/day
Diet & Nutrition

Physical Activity & Health

As a dog owner, it is critical that you understand your Neapolitan Mastiff’s physical limitations.

This breed requires exercise in a moderate manner to avoid overstressing joints and bones, especially while they are still developing.

As a result, you should only exercise your Neapolitan mastiff for brief periods of time.

Short walks are great, but Neos are not suitable jogging companions since they may injure themselves. However, keep in mind that exercise is really necessary for them to maintain their weight.

English Mastiff vs Neapolitan Mastiff Size

The appearance of the Neapolitan Mastiff and the English Mastiff is similar. Not only that, but they both weigh more than 100 pounds as adults, making them Giants dog breeds.

Both of these dogs have the typical Mastiff appearance, which includes a robust body and a huge head.

English Mastiffs are often larger than Neapolitan Mastiffs. English Mastiffs can weigh between 120 and 230 pounds, while Neapolitan Mastiffs typically weigh between 110 and 150 pounds.

Both of these dog breeds can weigh more or less than the weight ranges we’ve given. You’ll need a lot of room for both of these pets.

They have a double coat of short, thick fur. The English Mastiff comes in three coat colors: brindle, fawn, and apricot.

However, the majority of them have dark-colored muzzles. Neapolitan Mastiffs, on the other hand, are typically blue, black, mahogany, and tawny in color, with or without brindle markings.

Common Questions about Neapolitan Mastiff

At What Age Is A Neapolitan Mastiff Fully Grown?

Neapolitan Mastiff puppy development normally takes 18-24 months from birth to full maturity as a giant-sized breed. Physically, Neo puppies grow quickly in height and length for the first 7-8 months, then slow slightly as the adolescent gains a lot of muscle mass and fat; a Neapolitan Mastiff is normally at or near full adult size (an average of 27 inches at the shoulders in height and 160 pounds in weight) at 14-16 months of age.

Neo pups mature socially steadily: they achieve adolescence at 6-7 months, sexual maturity at 11-12 months, and full mental maturity at around 21 months (though some may retain their puppylike behavior for up to an additional year).

 

How Long Are Neapolitan Mastiffs Pregnant?

Although the Merck Veterinary Manual states that “predicting the timing of a delivery might be problematic because the date of breeding does not usually match the date of conception,” dogs are pregnant for roughly 62-64 days, or about two months.

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How Many Puppies Do Neapolitan Mastiffs Have?

The average puppy litter size ranges from one to twelve puppies. According to Guinness, the world record is twenty-four puppies born by a Neapolitan Mastiff in the United Kingdom in 2004.


What Is The Life Expectancy Of Neapolitan Mastiffs?

The Neapolitan Mastiff, which lives an average of 8 to 10 years, is prone to serious health problems such as canine hip dysplasia (CHD), demodicosis, and cardiomyopathy, as well as minor disorders such as “cherry eye” and elbow dysplasia.

How Much Does It Cost To Own A Neapolitan Mastiff?

The price of a Neapolitan Mastiff can range from as little as $300 to as much as $5,500 or so. A Neapolitan Mastiff with papers costs around $2,600 on average. Of course, the price of a purebred Neapolitan Mastiff is higher than the price of a “mutt.”

How To Help Your Neapolitan Mastiff Lose Weight If He Is Overweight 

As with humans, exercise is critical for your overweight dog’s health. Increased movement helps your dog burn off excess energy (and calories consumed). Avoid panic! Exercising your pet does not have to include marathons or lengthy hikes. Regular walks and the opportunity to run and play safely off-leash. 

Even creating a stimulating indoor environment that encourages your dog to exercise on a regular basis can help. Bear in mind that different breeds require varying amounts of exercise, so visit your veterinarian, breeder, or your dog’s breed standard for recommendations on recommended activity levels.

Distinguish Begging from Hunger

Begging is not necessarily motivated by a desire for more food; it is also used to gain attention. (And, by rewarding the behavior, you reinforce and encourage it to continue.) If your dog begs, do not automatically assume he is hungry. Trust your instincts and keep track of the date and time of your last meal. 

If your dog is prone to begging and you are prone to succumb to those puppy dog eyes, choose a high-protein meal with a fiber blend to help control your dog’s hunger and voluntary food consumption. This manner, you may feed your dog with the assurance that he will feel fuller and content for a longer period of time.

Restriction on treats and table scraps

Even when our dogs are not begging, many of us provide an excessive amount of treats and table scraps. Dogs are not required to share our food! Consider treats and scraps for your pet in the same way that you would candy for children to help you keep them in check. If you’re going to utilize snacks for training, choose low-calorie, low-fat ones and keep the portions small. 

As an alternative, keep in mind that clickers are excellent for reinforcement… and they have no calories! After all, a few extra pounds can make a significant impact in the lives of dogs, which are significantly smaller than humans. (Even the colossal breeds!) Therefore, focus on a balanced diet and resist the temptation to “reward” them with extra.

Customize Your Dog’s Diet

Not all weight-loss foods are created equal, which is why it’s critical to match your dog’s nutrition plan to their unique needs. Choose a brand that caters to your dog’s unique needs, whether they be weight control, dietary sensitivities, or illnesses.

Conclusion on Neapolitan Mastiff Growth Chart

If you are very concerned about keeping your home spotless, a Neapolitan Mastiff may not be the dog for you.

They have a habit of drooling all over the floor after drinking or eating. When they are nervous, they also do this.

You’ll have to clean up after them all the time. They do not, however, bark frequently, so if you prefer a peaceful dog, they are ideal.

Remember that training is critical, especially in their early years, so that they can learn acceptable habits without destroying your entire home.

Furthermore, due to their loose skin, they must be combed correctly, particularly in their skin folds, which can harbor bacteria if left damp.

Frequently Asked Questions:

When does a fully developed Neapolitan Mastiff reach maturity?

Most Neapolitan Mastiffs are not entirely grown enough to fulfill the breed standard description until they are 15 to 18 months old.

What is the size of a fully grown Neapolitan Mastiff?

The Neapolitan Mastiff is a huge and powerful dog, weighing 50–70 kg (110–150 lb) and standing 60–75 cm (24–30 in) at the withers. The length of the body is approximately 15% greater than the height.

How big is the biggest Neapolitan Mastiff?

At the withers, they range in size from 66 to 79 cm (26 to 31 inches). Neapolitan Mastiffs typically weigh around 77 kilograms (170 pounds), however, they can weigh up to 90 kilos (200 pounds).

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