
It is not uncommon for dogs to eat their own nail clippings. While it may be concerning for dog owners, it is usually not a cause for worry. One reason dogs may do this is that their nails smell good to them, and their sense of smell is up to 10,000 times better than that of humans. Dogs can gather a lot of information about their environment through their sense of smell, and their nails, as well as their paws, can carry a lot of interesting scents. Another reason could be that their nails are too long, and they are trying to trim them down. However, it could also be a sign of stress, worry, or boredom, or even a nutritional deficiency or a condition called Pica.
| Characteristics | Values |
|---|---|
| Allergies | Grass, trees, mould, pollen, ragweed, house dust, food |
| Infection | Allergies or infection can cause itching, leading to foot chewing |
| Behavioural reasons | Nervous habit, lack of toys to chew |
| Stress | Boredom, illness |
| Taste | Source of collagen and protein |
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What You'll Learn

Dogs may eat nails as a source of protein and collagen
Dogs may eat their nails as a source of protein and collagen. Collagen is the main structural protein found in skin and connective tissues like joints, tendons, cartilage, and ligaments. In fact, 30% of the total protein in a dog's body is collagen. It determines the strength and elasticity of their hair, bones, nails, and teeth.
Collagen is responsible for providing a healthy, moisturized dermis, a soft and shiny coat, and strong, powerful nails that do not split or crumble as they grow. Dogs may seek to consume their nails as a way to obtain this essential nutrient, which contributes to their overall well-being.
Additionally, as dogs age, their capacity to produce collagen diminishes, making them more susceptible to injuries and painful conditions of the bones and joints. The depletion of healthy collagen in the dog's body is a natural part of the aging process, but it can be mitigated by providing additional collagen through supplementation. By consuming their nails, dogs may instinctively seek to replenish their collagen levels and maintain their health.
Furthermore, collagen aids in digestion by breaking down proteins and soothing the lining of the gut. It helps form connective tissue and infuses the gastrointestinal tract with healing amino acids. Dogs may benefit from consuming their nails as a source of collagen, which supports digestive health and overall nutrient absorption.
While it may seem unusual, a dog's behavior of eating their nails can be partly explained by their nutritional needs. Dogs may instinctively seek to obtain protein and collagen by consuming their nails, thereby supporting various aspects of their health, including their skin, coat, nails, bones, and digestion.
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Nails can taste funky to dogs
Dogs have an abundance of sensory nerves in their paws, which they use to assess their surroundings. This makes paw handling a crucial aspect of canine grooming, as it establishes trust between the dog and its owner. However, nail trimming can be a challenging and daunting task for both pets and their owners.
It is not uncommon for dogs to eat their own nails or those of their owners. While it may seem strange to humans, this behaviour is relatively harmless. Nails may provide a natural source of collagen and protein, which are beneficial for dogs. In addition, if you have meat residue on your fingers from a recent meal, your nails may smell or taste like meat to your dog, making them even more appealing.
Dogs may also chew their nails due to behavioural reasons. If they are stressed, worried, or bored, they may turn to nail-chewing as a nervous habit, especially if they do not have toys to chew on instead. Allergies or infections can also cause itching in the paws, leading to nail-chewing.
To discourage your dog from eating your nails, ensure that you do not leave freshly cut nails within their reach. You can also try providing alternative chewing options, such as rawhide or rawhide-alternative bones. These bones should be larger than the width of your dog's mouth and should be replaced when they become too small to avoid choking hazards.
If you are concerned about your dog's nail-chewing behaviour, it is always best to consult your veterinarian for advice. They can help determine if there are any underlying health issues contributing to the behaviour and provide guidance on safe and effective nail trimming techniques.
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Nail chewing can be a sign of stress or boredom
Nail chewing in dogs can be a sign of stress, worry, or boredom. If your dog is chewing its nails, it may be a sign that it is experiencing discomfort or pain. Long or sharp nails can be bothersome to dogs, causing them to chew on them as a nervous habit or to relieve itching caused by allergies or infections.
To address this issue, it is important to maintain proper nail care for your dog. This includes regular nail trimming or grinding to ensure the nails are short and smooth, reducing the likelihood of splintering or snagging. Grinding your dog's nails instead of clipping them can be a good alternative if your dog is afraid of the clippers or has negative associations with the sound of nail clipping.
Additionally, you can provide your dog with appropriate chew toys or bones to redirect their chewing behavior away from their nails. When giving bones, ensure they are larger than the width of your dog's mouth and always supervise them during chewing. If you notice any signs of illness or unusual behavior, it is recommended to consult a veterinarian for further advice.
It is worth noting that nail trimming is an important aspect of dog grooming, and it can be challenging for both pets and owners due to the sensitivity of a dog's paws and their negative associations with the process. Proper conditioning and desensitization techniques can help make nail-trimming sessions more positive and stress-free for your dog. This includes gradually introducing the tools and creating positive experiences around them, as well as getting your dog accustomed to having their paws handled and touched.
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Nails may be chewed due to allergies or infection
Dogs' paws are packed with sensory nerves that help them assess their surroundings. They use their paws for running, traversing coarse terrains, and digging. Paw handling is a crucial aspect of canine grooming as it establishes trust between the dog and its owner. However, nail clipping can be challenging for pet owners as dogs tend to be skittish and scared of the nail clippers.
Nail chewing in dogs is mostly considered an itching response. It can be related to allergies or infections. Common allergens include inhalant/contact allergens such as grass, trees, mould, pollen, ragweed, house dust, and food allergies. If your dog's nails are long and pointy, they may bother them, leading to chewing. In such cases, it is recommended to cut their nails or opt for nail grinding, which leaves a smoother finish, reducing the likelihood of splintering.
If your dog's nails are short and not splintering, their chewing may be behavioural. Dogs may chew their nails when stressed, worried, or bored. Providing them with toys or bones to chew on can help distract them from chewing their paws.
It is important to address nail chewing as it can be a sign of stress due to your dog feeling unwell. If you notice any other unusual symptoms, consult your veterinarian.
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Dogs may react negatively to the sound of nail clippers
Many dogs react negatively to the sound of nail clippers. The sound of the clippers cutting their nails is often a source of fear and stress for dogs, and they may refuse treats or run away when they hear it. This negative association with nail clipping can be challenging for pet owners, who may need to rely on costly groomers and vets to trim their dog's nails.
There are several reasons why dogs may react negatively to the sound of nail clippers. One reason could be that they associate the sound with pain or discomfort. Dogs' paws are packed with sensory nerves, and nail trimming can be painful if the "quick" (the sensitive part of the nail containing blood vessels and nerves) is cut. Even with careful clipping, dogs may remain skittish about having their nails trimmed if they have had a painful experience in the past.
Another reason for dogs' negative reaction to nail clippers could be that they do not like the feeling of their paws being handled and touched. Paw handling is crucial for canine grooming, as it establishes trust between the dog and its owner. However, some dogs may find it stressful or uncomfortable to have their paws touched, especially if they are not used to it.
Additionally, some dogs may be scared of the sound of the nail clippers themselves. The loud or high-pitched noise of the clippers can be frightening for dogs, especially if they are not accustomed to it. This fear may be exacerbated if the clippers are used close to the dog's sensitive ears.
To help dogs overcome their negative reaction to nail clippers, it is important to work on changing their perception of the experience. This can be done through proper conditioning, which involves gradually introducing the tools and associating them with positive, rewarding experiences. For example, owners can start by placing the clippers several feet away from the dog's food bowl and gradually moving them closer over time.
Using alternative tools, such as a Dremel or nail grinder, may also help reduce dogs' negative reactions to nail clippers. These tools are often quieter and can provide a smoother finish to the nails, reducing the likelihood of splintering or snagging. Additionally, some dogs may be more accepting of the grinding sensation compared to the pressure applied by clippers.
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Frequently asked questions
Dogs may eat their cut nails due to stress, worry, or boredom. It could also be because they are a natural source of collagen and protein, and have a taste that dogs enjoy.
Yes, it is safe for dogs to eat their cut nails. The nails will be partially digested by stomach acid and then pass normally through the intestines.
Try giving your dog a rawhide or rawhide-alternative bone to keep them occupied and shift their focus away from their nails.











































