We Have The Puppies You Want!

Veterinarian approved kennels are only used 

Totally Vaccinated

All of our puppies have the latest shots to ensure you get a healthy puppy. 

Article created: 11/5/2023

How To Tell How Old A German Shepherd Puppy Is

  • Because of this, puppies can often be aged accurately to the nearest week by looking at the combination of adult and deciduous teeth in their mouths
  • They appear to become more aware of their surroundings and they begin to explore on their own
  • Whenever you first get a puppy, you should take them to the vet to get a checkup
  • Most puppies will have reached their full size by the time they are between eight and twelve months old
  • Take into consideration that scars from injury or surgery can come in with gray hairs, in which case you can rule that out as a sign of aging
  • They should have all their puppy teeth and decent motor skills
  • How To Tell How Old A German Shepherd Puppy Is Between 14 and 21 days, their eyes open up and their vision slowly starts to come While these dogs reach sexual maturity before they are fully grown, it is generally not recommended to breed them until they have reached their full size Some dogs will be both smaller and larger than these weight ranges when fully grown due to a variety of genetic and environmental factors Treatment for many conditions, including bloat and GI issues, can cost thousands of dollars This can be age-related, though these cataracts can develop from trauma, inflammation, or diabetes This can be age-related, though these cataracts can develop from trauma, inflammation, or diabetes. Because their teeth are coming in, they begin chewing on things Black German Shepherd Puppies For Sale Alabama If you just happened to get a rescue pup, finding out their age might be a really important thing, especially since you want to celebrate milestones Males may continue to grow for another six months or so A veterinarian should regularly assess your pet for these health problems and run tests for anything they may be more prone to due to their breed This is also a good time to schedule or discuss options to spay or neuter as they come into sexual maturity at this point This is also a good time to schedule or discuss options to spay or neuter as they come into sexual maturity at this point. There are a lot of physical and mental changes happening at this time This is all very new to them! During the first 3 months, puppies will need core vaccines to protect them from potentially fatal diseases like parvovirus , distemper, and rabies They can barely move and rely fully on their mother It will be evident from their appearance that they are a senior dog As a pup grows, we can guess their age based on size, weight and breed, too As a pup grows, we can guess their age based on size, weight and breed, too. They will still have an abundance of energy Do German Shepherd Puppies Lose Their Teeth They go from a pudgy, bellied, clumsy ball of fluff to an older, more mature-looking dog The average male will weigh about 53 pounds, while females weigh 46 pounds You may have adopted a German Shepherd , only to wonder when those ears are going to perk up .

    Other age-related eye conditions, such as cataracts and glaucoma, can also give dogs cloudy eyes or a bluish discoloration of the pupil Other age-related eye conditions, such as cataracts and glaucoma, can also give dogs cloudy eyes or a bluish discoloration of the pupil. When they do, it can be a slow process They mainly only root, feed from the mother, and sleep When dogs reach years old, they are likely to develop some gray or white on their chest, haunches or muzzle You want to know—after all, your puppy deserves to have a birthday celebration every year, too! Featured image credit: Happy monkey, Shutterstock Contents Many times, with mixed breeds, it can be hard to pin down Many times, with mixed breeds, it can be hard to pin down. They might test their boundaries, chew up your belongings, master escaping enclosures, and do lots of other pain-in-the-butt things Collie German Shepherd Mix Puppy Image Credit: Boryana Manzurova, Shutterstock 4 Senior dogs may have more prominent spines because the muscles that run along the spine will atrophy get smaller with decreased activity Some dogs may be resistant to going downstairs due to poor eyesight Normal age-related changes should not cause complete blindness, but vision can still be significantly compromised Normal age-related changes should not cause complete blindness, but vision can still be significantly compromised. Larger breeds will continue growing for up to two years Every dog has a different personality that can influence their behavior—no matter how old they are

    They may not go up or down the stairs as frequently

    Because their growth has slowed down so much, though, they will continue to grow for a long time to come This is characteristic of puppies up to around five to six weeks old This is characteristic of puppies up to around five to six weeks old. If you have a larger breed, some vets may suggest waiting on this procedure until they are finished growing German Shepherd American Bulldog Mix Puppies But when a dog is older, their fur tends to be drier and weaker .

    The vet will be able to look at the size and breed, along with the teeth, and give you a fairly accurate estimated age A dog can simply be smaller than normal but completely healthy Paws Older dog paws have traveled more miles than their soft, puppy counterparts Paws Older dog paws have traveled more miles than their soft, puppy counterparts. Even so, dogs with these changes are more likely to be older Puppies who are transitioning to eating solid foods and who are becoming independent of their mother are probably around six to eight weeks old They can tell you if these changes are because your dog is older or if there may be other things going on Most pups have finally grown into their feet, so they are less clumsy The vet can tell you their age during your first visit The vet can tell you their age during your first visit. These changes can be coupled with urination or defecation in the house, new anxiety behaviors, and disorientation How Often To Feed A German Shepherd Puppy By 3 months, your puppy should start to get the hang of small concepts, like potty time If you compare early on pictures of any puppy to their adolescent phase, you can see contrast differences in fur coloring The condition of the adult teeth can also provide clues As dogs age, more fibers are added to the lens without changing the overall size As dogs age, more fibers are added to the lens without changing the overall size. So, what's the best way to keep them healthy and safe? Take them for regular veterinary checkups Feed them the appropriate dog food for their age and breed Provide the proper level of activity Dog health is crucial to slowing the aging process, and whether your dog turns out to be a young dog or one well into their senior years , focusing on their wellness with help them live their best life Puppy Age By Teeth Puppies are born without teeth, but they soon develop a mouthful of needle-sharp points Unspayed female dogs typically have their first heat at months old Because of this, puppies can often be aged accurately to the nearest week by looking at the combination of adult and deciduous teeth in their mouths .

    Because of this, puppies can often be aged accurately to the nearest week by looking at the combination of adult and deciduous teeth in their mouths

     Because of this, puppies can often be aged accurately to the nearest week by looking at the combination of adult and deciduous teeth in their mouths

    They pick you They pick you. When you take your puppy in for their routine core vaccines and check-ups, your vet can pinpoint exactly how old they think your dog is Slovakian German Shepherd Puppies Dogs less than six months old have deciduous baby teeth that are replaced by adult teeth as they grow White, non-see-through cataracts form when these fibers break down You might notice a really huge personality shift between 4 and 8 months However, after five to six months, it will begin to slow down substantially However, after five to six months, it will begin to slow down substantially. This makes the lens more dense and harder to see through This can make them grow too fast, which can mess up their joints and cause other health problems How Does Your Puppy Act? Puppies are born barely crawling Keep in mind they will want to factor in both physical signs and behavior when it comes to determining age You might find a little tooth here and there when they start to lose them, or you might not see them at all You might find a little tooth here and there when they start to lose them, or you might not see them at all.

    Taking your German Shepherd to regular veterinary appointments is one of the best things you can do to ensure that they are healthy and feeling their best

    German Shepherd Mix Puppies In Pa They will double their weight many times in this period and undergo many growth spurts First, check your puppy's age This increases their risk for many health problems, including hip dysplasia As they age, puppies will lose their puppy coats and gain their adult coat As they age, puppies will lose their puppy coats and gain their adult coat. They are simply focusing on growing larger at this point In fact, hip dysplasia is much more likely in dogs that were improperly fed as puppies .

    You can check at home with a few of these tips, but if you want the highest level of accuracy—ask a vet Behavioral Signs of Age Hearing As dogs age, the nerves in their eardrums can break down, making it harder for them to hear Behavioral Signs of Age Hearing As dogs age, the nerves in their eardrums can break down, making it harder for them to hear. They have some puppy-like qualities, like chewing and energy, but they may have calmed some How Much Weight Should My German Shepherd Puppy Gain Puppies and younger up to age 2 dogs tend to be filled with endless energy and will play for hours before tuckering out Eyes A cloudy or blue appearance to the eye sclerosis of the lens is a common change seen in older dogs Muscle Though exercise can mitigate this , muscle loss is very common in older dogs Puppies are usually born with fluffy, often dense coats Puppies are usually born with fluffy, often dense coats. Since they might not get the proper nutrition or know how to chew food well, it can be a time-sensitive matter The dog needs to grow at their natural rate Puppy coats are very soft, while adult coats are denser and thicker .

    The estimated full-size varies significantly between sexes This means they often fall around the line that separates medium-sized dogs from large-sized dogs This means they often fall around the line that separates medium-sized dogs from large-sized dogs. However, as dogs get older, they become more and more prone to dental issues like plaque and tartar buildup Should I Let My German Shepherd Puppy Sleep With Me Make sure to take him to a vet — and in addition, let him spend time inside with you! Support Email After 6 months, even when a pup has all of their adult teeth, they will still chew if they feel the urge Older dogs often become stiff and slow, particularly larger breeds, and many senior dogs will experience some degree of canine dementia, which can lead to confusion and lethargy Life spans differ by breed, though, and an elderly Great Dane may have the same human years behind them as a middle-aged Chihuahua Life spans differ by breed, though, and an elderly Great Dane may have the same human years behind them as a middle-aged Chihuahua. For everyone else, there's pet insurance When they reach 6 months, they should lose their puppy coat completely Dogs mature much faster than we do Please keep in mind that these numbers are only estimates to give you an idea of how much bigger a German Shepherd puppy may get More Fun Dog Facts More Fun Dog Facts. Wellness plans are also available to help cover the cost of vaccinations, vet exams, microchips, and more What Does German Shepherd Puppy Eat Puppies start hearing shortly after that with hearing coming into full force by 8 weeks At 4-months-old, the puppies have been growing according to genetics for long enough for you to guess what their adult size might be For instance, if the mother is significantly smaller or larger than the father, it can create a lot of size possibilities in the litter They will also spend a lot of time sleeping in between playing and chewing They will also spend a lot of time sleeping in between playing and chewing.

    They might be a little clumsy on their feet, but they usually are pretty sturdy by the week mark

    If you think your dog is exhibiting these signs, ask your vet about cognitive dysfunction disorder DISHAA to help with tips on how to manage the condition Their vision will improve by the day until they fully develop at 8 weeks .

    By six months, a male German Shepherd will weigh 53 pounds on average, whereas a female will weigh about 46 pounds A lackluster coat, compared to the shiny fur you see on younger healthy dogs, is a sign of an older dog A lackluster coat, compared to the shiny fur you see on younger healthy dogs, is a sign of an older dog. However, if you have a purebred dog, there are diagrams and charts designed to show you where they should be with growth Buy German Shepherd Husky Mix Puppies Puppies are capable of learning as soon as they come home at 8 weeks It is also normal if your dog retains their somewhat skinny appearance for a few more months to come These dogs get highly attached to their humans and want to spend time with them! If your dog lives outside and is experiencing stunted growth, he may be refusing food due to loneliness But what if we told you that is entirely wrong? A Great Dane will not age in the same manner as a Chihuahua, and an outdoor working dog will age faster than an indoor pup But what if we told you that is entirely wrong? A Great Dane will not age in the same manner as a Chihuahua, and an outdoor working dog will age faster than an indoor pup. When your vet examines your puppy, they will look them all over to see how developed they are You also might notice that her vulva is swollen, or producing blood-tinged or straw-colored vaginal discharge Dog insurance is a wise investment that can give you peace of mind by covering pet emergency expenses They appear to become more aware of their surroundings and they begin to explore on their own .

    They appear to become more aware of their surroundings and they begin to explore on their own

     They appear to become more aware of their surroundings and they begin to explore on their own

    Some people can predict the future Some people can predict the future. But can we narrow it down even more? Image Credit: , Pixabay 2 Free German Shepherd Puppies Nh Your vet will look for whether your dog has all of their adult teeth as well as evaluate any signs of periodontal disease Manners are crucial to this time frame—you want a well-behaved dog because of consistent training Talk to Your Vet When in doubt, speak with your vet They also begin playing in an energetic manner and exploring everything around them They also begin playing in an energetic manner and exploring everything around them. How big is a 6-month-old German Shepherd? Puppies undergo massive growth spurts before five months Unlike horses—which have defined dental age markers—dogs show signs of aging based on their genetics and lifestyle Dogs are a lot like children in this way Your puppy loses their baby teeth between 12 weeks to 6 months .

    If you have a dog who should have pointy ears, they can take their sweet time developing If you have a dog who should have pointy ears, they can take their sweet time developing. Help us make PetMD better Was this article helpful? Puppies up to two weeks old are tiny in size Remember to have patience and understanding that your pup is just a growing guy or gal The AKC wants males stand at inches and weigh pounds, making them considerably larger than females in some cases Do German Shepherds Grow Fast? Generally, German Shepherds grow rather fast in their first six months of life Check Overall Body Structure As puppies age, their overall structure changes Check Overall Body Structure As puppies age, their overall structure changes. When in doubt, speak with your vet Vision is blurry at best once they open their eyes and it takes some time to adjust to this big world

    Instead, we recommend patience

    There is a significant difference between a pound dog and an pound dog You may notice non-painful cracks or even areas where the keratin has formed small bristles You may notice non-painful cracks or even areas where the keratin has formed small bristles. If you are unable to figure out how old the puppy is based on the teeth or developmental stage, you can take them to the vet .

    By 4 weeks, your pups should be walking on their own Haircoat Gray hairs are a sign that your dog is no longer a puppy Your vet will be able to differentiate sclerosis of the lens from cataracts and other eye changes that can cause similar signs like glaucoma , using tools such as an ophthalmoscope and tonometry checking eye pressures

    Why is my German Shepherd so small? German Shepherds all grow in a unique fashion, similarly to people They have some puppy-like qualities, like chewing and energy, but they may have calmed some
    After all, you have to figure out how much to feed them, what kind of chews they need, and how big you can expect them to get Puppies and younger up to age 2 dogs tend to be filled with endless energy and will play for hours before tuckering out
    Between 14 and 21 days, their eyes open up and their vision slowly starts to come They might be a little clumsy on their feet, but they usually are pretty sturdy by the week mark
    The dog needs to grow at their natural rate They might be a little clumsy on their feet, but they usually are pretty sturdy by the week mark
    Make sure to take him to a vet — and in addition, let him spend time inside with you! Support Email Make sure to take him to a vet — and in addition, let him spend time inside with you! Support Email
    Analyze My Pet About Pawlicy Advisor The pet insurance marketplace endorsed by veterinarians, at Pawlicy Advisor we make buying the best pet insurance easier Even so, dogs with these changes are more likely to be older
    But can we narrow it down even more? Image Credit: , Pixabay 2 They also begin playing in an energetic manner and exploring everything around them
    Do not make the mistake and keep your German Shepherd outside most of the time Learn more » Puppies change so drastically, even in the first few weeks of life
    Life spans differ by breed, though, and an elderly Great Dane may have the same human years behind them as a middle-aged Chihuahua Otherwise, it can stunt their growth and potentially cause health problems for the mother and the puppies
    They get an increase in energy and are distracted easily by everything Your puppy might show signs of pain or discomfort during this time called teething
    They might fill out a bit, but usually, their bone structure and organs are as they will be Small breeds may develop periodontal disease as early as one year of age If your GSD is older than 36 months and continues to put on weight, contact your veterinarian to ensure weight gain does not lead to obesity Your dog may seem small compared to other German Shepherds while still being in the normal range If you want to entice your puppy, note that they see blue, violet, and yellow best Especially bigger breeds who might not realize just how large they are It does not affect vision, although vision will worsen a little with age They may start chewing more things around the house, and they love to explore and may wander off Even though it can be quite challenging, it will be worth it You might notice a huge difference in growing speeds By 6 months, your puppy will be close to their adult size Let us estimate how large your German Shepherd will be as an adult by inputting their age and weight into the calculator below You pick them What is the size of a full-grown German shepherd? An adult male German Shepherd is typically 24 to 26 inches tall, while adult female German Shepherds are 22 to 24 inches tall, according to the American Kennel Club German Shepherd Standard Whenever you first get a puppy, you should take them to the vet to get a checkup .

    Whenever you first get a puppy, you should take them to the vet to get a checkup

     Whenever you first get a puppy, you should take them to the vet to get a checkup

    They might take a little longer to mature mentally, but their bodies are just about there Even their fur changes texture as they age While their retinas work slightly differently than humans do, they can still differentiate some colors Like many large breeds, a German Shepherd dog is not considered fully grown until they are about 18 months old While they will almost reach their full size at about six months, it will take them until they are about two to finally gain those last few dozen pounds Do their paws look large compared to their legs and body? This is a classic adolescent feature of a dog and means your pup is likely still growing! Most of the time, a dog will not grow bigger than its larger parents However, you might notice that between 6 and 12 months, muscles are much more defined in the legs than ever before Expert input provided by Dr After all, you have to figure out how much to feed them, what kind of chews they need, and how big you can expect them to get While limping is rare in the early stages of arthritis, older dogs may be hesitant to jump up on a couch or into a car No matter your reasoning, veterinarians and animal experts devote their life to pet care—they can definitely help you out Vision Age-related eye changes can lead to vision impairment Preventive care is key in helping your German Shepherd live a healthy and long life By about eight months, a dog will have their full set of permanent teeth, says Dr Puppies who are between six to twelve months old will start testing their boundaries How big should a 6-month-old German Shepherd be? A six-month-old German Shepherd puppy will be quite large, as many German Shepherds undergo massive growth spurts between two and five months old

    If you work with your dog properly, they will have awesome temperaments and able bodies

    Therefore, how big your particular dog might get depends largely on their genetics Analyze My Pet About Pawlicy Advisor The pet insurance marketplace endorsed by veterinarians, at Pawlicy Advisor we make buying the best pet insurance easier We all know how difficult human children are during this point, so expect nothing less from your dog .

    Different life stages also require different medical screenings and vaccinations Converting a dog's age to human years depends on the dog's breed By eight weeks old, the puppy is acting how people typically expect a puppy to act Once again, mixed breeds can be tricky, especially if parents differ a lot in size A female German Shepherd weighs notably less at 55 to 70 pounds You might notice their coat color changes a little bit as the transition happens, too As you can see by the German Shepherd weight chart, these dogs can continue to grow until they are three years old, but the majority of growth occurs within 24 months This is normal Offering toys with interesting textures can help keep their attention rather than gnawing on shoes They start walking and adventuring out of the whelping box during this time As they get older, you might notice their muscle tone, too Why is my German Shepherd so small? German Shepherds all grow in a unique fashion, similarly to people .

    Older dogs, on the other hand, are less energetic and playful; they also need a lot more sleep compared to younger adult dogs However, many senior dogs are prone to changes in their sleep cycles If your pup has cataracts , there are surgical and medical options to help maintain their vision and your veterinarian can discuss treatment options with you Their baby teeth start erupting at around 3 weeks and finish up by 6 weeks As the puppy grows, they start becoming more active But man oh man, are they probably naughty They grow at their own pace You can buy teething toys to ease pain and channel energy They might pack on muscle and weight throughout the next 6 months, but the bulk of the growth will be finished by the end of the sixth month Typically, if the parents are smaller, their puppies will be as well and visa versa It will be replaced with sleeker adult hair that usually sheds more Most puppies will have reached their full size by the time they are between eight and twelve months old .

    Most puppies will have reached their full size by the time they are between eight and twelve months old

     Most puppies will have reached their full size by the time they are between eight and twelve months old

    Use Pawlicy Advisor to easily compare plans from top providers so you can find a great deal with great coverage They may sleep most of the day, then pace and experience anxiety at night Dogs may not grow evenly The lens of a young dog is made up of many clear microscopic fibers

    So how many dog years is one human year? With so many different breeds and sizes, the answer to this question is a little more complicated

    Many breeders could potentially give you a 6-week-old puppy and tell you that they are 8 weeks They go from adorable, small puppies to a terror—this is usually the most playful stage Puppies generally get their food from their mother until between five to seven weeks old Even puppies in the same litter may be all different sizes in comparison as they grow—but are all the same age When dogs are in the first years of life, their adult teeth are usually white, with little to no calculus buildup So, are there some physical clues to help you figure it out? You should be able to ballpark it using a combination of physical and mental traits Your pup is growing into that lean teenager stage .

    Many may reach their full height before gaining much of their muscle mass and fat When is a German Shepherd fully grown? Female German Shepherds often stop growing at around two years This age group really gives you a run from your money This information can be used by you and your vet to consider when you would be likely to see certain age changes with those breeds Do not make the mistake and keep your German Shepherd outside most of the time Your veterinarian will be able to make the best guess, but there are a few signs of aging you can look for as well Get Peace of Mind Today Do you want to find the best pet insurance? Let's analyze your pet's breed, age, and location to find the right coverage and the best savings For this reason, a German Shepherd may not seem to be growing much at all, only to hit a growth spurt If you see that your puppy has no teeth, they are likely under 3 weeks old and need their mother around the clock If you have older dogs, you may see the pup getting put in its place a lot Take into consideration that scars from injury or surgery can come in with gray hairs, in which case you can rule that out as a sign of aging .

    Take into consideration that scars from injury or surgery can come in with gray hairs, in which case you can rule that out as a sign of aging

     Take into consideration that scars from injury or surgery can come in with gray hairs, in which case you can rule that out as a sign of aging

    Tooth staining, tartar, and gum inflammation periodontal disease are more common as a dog ages Keep the rule in mind when you adopt a new dog: Most pups spend three days of feeling overwhelmed and nervous in a new home, followed by three weeks of settling in, and three months to build trust and bond with you Use our age calculator chart that takes some of the guesswork out of that math for you Featured Image: iStock You just have to get over that hump How much bigger will my German Shepherd get? There are a few ways to gauge how much bigger a German Shepherd will get Female German Shepherds continue to fill out until they are around two years old, while the male German Shepherd growth rate continues until they reach two and a half years of age They have not reached their full adult weight yet, but they are very close When you take your new puppy in for their first check-up, they can validate or tell you just how old they estimate the pooch to be This—as well as any illness acquired from the shelter or street life—can affect their energy levels in a big way A dog that is small at this age is likely to remain small Females stand at inches and weigh around pounds What does a 4-month German Shepherd weigh? Usually, 4-month-old German Shepherds weigh about pounds if they are males and pounds if they are females This slim spectrum is called dichromatic vision and exists in all dogs, regardless of age They get an increase in energy and are distracted easily by everything The exact time that each dog stops growing depends on genetics and their diet You might have a few pups that are toward one end of the spectrum or another .

    Your puppy might show signs of pain or discomfort during this time called teething

    Sometimes, it can be hard to pinpoint just how old a puppy is But once your pup has reached three months in your care, you can more properly assess how energetic they really are Some German Shepherds have been crossed with other kinds of shepherd — these dogs are likely to not grow at the same rate as their pure-bred peers, too Learn all about your puppy's physical characteristics, breed history, personality traits, and more in our comprehensive guide Helping your dog maintain an optimal weight is one of the best things you can do for their health Puppies have a growth spurt between eight and sixteen weeks of age, and then they continue visibly growing over the next several months Puppies open their eyes when they are around two to three weeks old You can often get somewhat of an idea by looking at both of their parents The more you work with your puppy, the smoother the teenage stage will probably be They do not develop these important senses until after birth The puppies do not move around very much and stay close to their mother .

    German Shepherds are considered a medium-to-large-sized breed They are also more susceptible to gastrointestinal tract and hip issues Your vet will probably recommend getting your puppy microchipped at this point Learn more » Puppies change so drastically, even in the first few weeks of life Your dog should know their name, simple obedience, and the concept of potty training You can get your pup in for a check-up at their vet for their 6-month appointment Compare German Shepherd health insurance plans before they get sick or injured So, make sure they learn good habits early on Once they are born, genetics tend to take over During the first several weeks of life, your pup will gradually develop their sight If your GSD is younger than two years old, they definitely have room to keep growing! Another way to tell if your pup still has a lot of growing to do is their paw size Usually this is more noticeable in dim light or in full darkness As you can see, this is a huge range Lifestyle changes are often indicated for older dogs with nonsurgical vision problems In terms of weight, an adult male German Shepherd weighs anywhere from 75 to 90 pounds Baby teeth incisors, canines, premolars, and molars erupt and are replaced by adult teeth at very specific ages Potty training and basic commands should be coming into full swing Converting dog years to human years can help us better understand what our senior pups older than 11 years old in most breeds are going through and help to provide the right nutrition or medical assistance Pearly whites usually indicate a dog in early adulthood They should have all their puppy teeth and decent motor skills .

    They should have all their puppy teeth and decent motor skills

     They should have all their puppy teeth and decent motor skills

    A dog under two years is still considered an adolescent

    Males are larger and require more time to fill out their chest and abdomen From the best dog food to feed them to what dog bed to buy or activities to pursue with your pup, knowing their age is an important part of making some of the biggest pet parenting decisions Otherwise, it can stunt their growth and potentially cause health problems for the mother and the puppies By the time they reach six months, their growth has slowed down considerably Did you see either parent? Do you know if you have a toy, small, medium, large, or extra-large breed? The type of dog you have says a lot about what to expect as they get bigger Most of them are the age of human teens by the time they are a year old An overweight dog will age quicker and develop more health conditions compared to a dog who is at a healthy weight .