A study using dogs that were trained to remain motionless while unsedated and unrestrained in an MRI scanner exhibited caudate activation to a hand signal associated with reward.[2] Further work found that the magnitude of the canine caudate response is similar to that of humans, while the between-subject variability in dogs may be less than humans.[92] In a further study, 5 scents were presented (self, familiar human, strange human, familiar dog, strange dog). While the olfactory bulb/peduncle was activated to a similar degree by all the scents, the caudate was activated maximally to the familiar human. Importantly, the scent of the familiar human was not the handler, meaning that the caudate response differentiated the scent in the absence of the person being present. The caudate activation suggested that not only did the dogs discriminate that scent from the others, they had a positive association with it. Although these signals came from two different people, the humans lived in the same household as the dog and therefore represented the dog's primary social circle. And while dogs should be highly tuned to the smell of items that are not comparable, it seems that the “reward response” is reserved for their humans.[93]
Positive reinforcement is the key to success. A common mistake is to punish your dog during training or become angry. This will only cause confusion. You can try to hold your dog's attention with treats and enthusiasm, but know that it is time to end a session when your dog becomes bored or tired. Try to end sessions on a positive note. Eventually, successful training will be achieved with patience and consistency.
I have a 13 month old Pomeranian that joined our family at 11 months. He absolutely knows and understands the command “go potty” outside, but is still having many accidents inside. We take him out every hour and a half, but he still has accidents. We took him to the veterinarian to see if it were a medical issue and urine and blood analysis showed no medically issues, thankfully. We have tried treating and praising him outside, still accidents. Any ideas?
From a young age, dogs engage in play with one another. Dog play is made up primarily of mock fights. It is believed that this behavior, which is most common in puppies, is training for important behaviors later in life. Play between puppies is not necessarily a 50:50 symmetry of dominant and submissive roles between the individuals; dogs who engage in greater rates of dominant behaviors (e.g. chasing, forcing partners down) at later ages also initiate play at higher rates. This could imply that winning during play becomes more important as puppies mature.[11] more on this
It's an exciting time when you bring your new puppy home, but a new pet also comes with challenges. One of the first and biggest challenges that you may face is that of potty training. Some puppies will learn this quickly, while others will struggle with it for a while. During this training period, always remember to be patient, remain calm, and be consistent. If you stay positive and follow these guidelines, potty training can be a simple process.

In 2004, a study reviewed 5 other studies of feral dogs published between 1975 and 1995 and concluded that their pack structure is very loose and rarely involves any cooperative behavior, either in raising young or in obtaining food.[82] Feral dogs are primarily scavengers, with studies showing that unlike their wild cousins, they are poor ungulate hunters, having little effect on wildlife populations where they are sympatric.[83]:267 However, several garbage dumps located within the feral dog's home range are important for their survival.[84] Even well-fed domestic dogs are prone to scavenge; gastro-intestinal veterinary visits increase during warmer weather as dogs are prone to eat decaying material.[85] Some dogs consume feces, which may contain nutrition.[86][87] On occasion well-fed dogs have been known to scavenge their owners' corpses.[88]

Space used by feral dogs is not dissimilar from most other canids in that they use defined traditional areas (home ranges) that tend to be defended against intruders, and have core areas where most of their activities are undertaken. Urban domestic dogs have a home range of 2-61 hectares in contrast to a feral dogs home range of 58 square kilometers. Wolf home ranges vary from 78 square kilometers where prey is deer to 2.5 square kilometers at higher latitudes where prey is moose and caribou. Wolves will defend their territory based on prey abundance and pack density, but feral dogs will defend their home ranges all year. Where wolf ranges and feral dog ranges overlap, the feral dogs will site their core areas closer to human settlement.[38] Dog Training
Some training methods use punishment, like leash corrections and scolding, to discourage dogs from doing everything except what you want them to do. Other methods cut right to the chase and focus on teaching dogs what you do want them to do. While both tactics can work, the latter is usually the more effective approach, and it’s also much more enjoyable for you and your dog. For example, you can easily use treats, games and praise to teach your dog to sit when people approach during walks in the neighborhood. If your dog is sitting, she won’t be dragging you toward the people, jumping up when they get close enough, mouthing on their arms and legs, and so on. That’s pretty efficient training-no pain or intimidation needed. Alternatively, you could grab your dog’s leash and jerk her to the ground every time she jumps up to greet people, and you’d most likely get the same effect in the end-no more jumping up. But consider the possible fallout:
Dog training classes or private sessions can also be an addition to your own training program. The dog trainer can help you improve the program and customize it to your dog's learning style. Try to be as involved as possible when it comes to your dog's training. You and your dog will be a stronger team when you are directly involved in the training process. how to potty train a puppy
It's an exciting time when you bring your new puppy home, but a new pet also comes with challenges. One of the first and biggest challenges that you may face is that of potty training. Some puppies will learn this quickly, while others will struggle with it for a while. During this training period, always remember to be patient, remain calm, and be consistent. If you stay positive and follow these guidelines, potty training can be a simple process.
Dogs expel most of their body heat from their mouths. When your dog pants, he's probably too warm, so he is regulating his body temperature. However, it's important to pay attention to panting, as he may do it when in pain as well. Help your pal regulate his temperature and make sure he's well hydrated before any physical activity–especially as the weather warms up. If your dog was injured, get him to the vet immediately. Some other health problems may also show increased panting as a sign, so if you have a question, don't hesitate to contact your vet.
Stop them from barking. Excessive barking can be frustrating, especially if the neighbours are threatening to put in a noise complaint. Using a training collar can help to get rid of this habit, as it will activate as soon as barking is detected. For the citronella spray, the release will surprise them into silence, and the release of the odour will be associated with barking. For sound and vibration, it is much the same in that it startles your dog, and the more they bark the long the sound and vibration go on for. 
Mop up any accidents with a paper towel and immediately bring a small piece of the soiled paper, along with your dog, to the potty place. Place the paper towel in the location you would have liked him to go potty and encourage him to sniff it while praising him. If you can, leave the soiled paper behind so that your dog can smell it again the next time you return.
Dogs differ from wolves and most other large canid species as they generally do not regurgitate food for their young, nor the young of other dogs in the same territory.[78] However, this difference was not observed in all domestic dogs. Regurgitating of food by the females for the young, as well as care for the young by the males, has been observed in domestic dogs, dingos and in feral or semi-feral dogs. In one study of a group of free-ranging dogs, for the first 2 weeks immediately after parturition the lactating females were observed to be more aggressive to protect the pups. The male parents were in contact with the litters as ‘guard’ dogs for the first 6–8 weeks of the litters’ life. In absence of the mothers, they were observed to prevent the approach of strangers by vocalizations or even by physical attacks. Moreover, one male fed the litter by regurgitation showing the existence of paternal care in some free-roaming dogs.[79]
Remember that training is an ongoing process. You will never be completely finished. It is important to keep working on obedience training throughout the life of your dog. People who learn a language at a young age but stop speaking that language may forget much of it as they grow older. The same goes for your dog: use it or lose it. Running through even the most basic tricks and commands will help them stay fresh in your dog's mind. Plus, it's a great way to spend time with your dog.
There are a lot of different ways to train your dog. You may choose to sign up for a dog training class, hire a professional dog trainer for private lessons, or even send your dog to board with a trainer. However, plenty of people successfully train their dogs on their own. It's a great way to save money on training costs, and a wonderful way to bond with your dog.

Dogs expel most of their body heat from their mouths. When your dog pants, he's probably too warm, so he is regulating his body temperature. However, it's important to pay attention to panting, as he may do it when in pain as well. Help your pal regulate his temperature and make sure he's well hydrated before any physical activity–especially as the weather warms up. If your dog was injured, get him to the vet immediately. Some other health problems may also show increased panting as a sign, so if you have a question, don't hesitate to contact your vet.


Domestic dogs are polygamous in contrast to wolves that are generally monogamous. Therefore, domestic dogs have no pair bonding and the protection of a single mate, but rather have multiple mates in a year. There is no paternal care in dogs as opposed to wolves where all pack members assist the mother with the pups. The consequence is that wolves put a lot of energy into producing a few pups in contrast to dogs that maximize the production of pups. This higher pup production rate enables dogs to maintain or even increase their population with a lower pup survival rate than wolves, and allows dogs a greater capacity than wolves to grow their population after a population crash or when entering a new habitat. It is proposed that these differences are an alternative breeding strategy adapted to a life of scavenging instead of hunting.[45] In contrast to domestic dogs, feral dogs are monogamous. Domestic dogs tend to have a litter size of 10, wolves 3, and feral dogs 5–8. Feral pups have a very high mortality rate with only 5% surviving at the age of one year, and sometimes the pups are left unattended making them vulnerable to predators.[38] Domestic dogs stand alone among all canids for a total lack of paternal care.[77]
In 2012, a study found that dogs oriented toward their owner or a stranger more often when the person was pretending to cry than when they were talking or humming. When the stranger pretended to cry, rather than approaching their usual source of comfort, their owner, dogs sniffed, nuzzled and licked the stranger instead. The dogs' pattern of response was behaviorally consistent with an expression of empathic concern.[16]
Among canids, packs are the social units that hunt, rear young and protect a communal territory as a stable group and their members are usually related.[61] Members of the feral dog group are usually not related. Feral dog groups are composed of a stable 2–6 members compared to the 2–15 member wolf pack whose size fluctuates with the availability of prey and reaches a maximum in winter time. The feral dog group consists of monogamous breeding pairs compared to the one breeding pair of the wolf pack. Agonistic behavior does not extend to the individual level and does not support a higher social structure compared to the ritualized agonistic behavior of the wolf pack that upholds its social structure. Feral pups have a very high mortality rate that adds little to the group size, with studies showing that adults are usually killed through accidents with humans, therefore other dogs need to be co-opted from villages to maintain stable group size.[38]

Training clubs that run the Kennel Club Good Citizen Dog Scheme - the largest dog training programme in the UK are a sensible place to begin. Here you will learn about every aspect of dog ownership from the Puppy Foundation Courses through to Bronze, Silver and Gold award levels. Go to GCDS Training Clubs in your County to find one near to you or email the GCDS Team ([email protected]) or call 0207 518 1011. 

Distractions are added to the dogs training to start “proving”their behaviours.Still working within our training barn, we introduce controlled distractions. Body language is reduced as we expect the dog to respond increasinglyonlyto verbal commands.Recalls and stays are introduced and built upon. We now expect more from the dog as his ability grows. more on this
The ASPCA Virtual Pet Behaviorist specializes in the resolution and management of pet behavior problems only. Please do not submit questions about medical problems here. Only licensed veterinarians can diagnose medical conditions. If you think that your pet is sick, injured or experiencing any kind of physical distress, please contact his veterinarian immediately. A delay in seeking proper veterinary care may worsen your pet's condition and put his life at risk. If you are concerned about the cost of veterinary care, please read our resources on finding financial help.© 2009-2014 ASPCA. All Rights Reserved.
This training collar actually uses one of the most popular and effective forms of correction; citronella spray. What this means is that when the dog barks, the microphone in the box on the collar will be activated; releasing a burst of harmless citronella into the room. Dogs are not too fond of this odour, and they will associate barking with the smell. 
All of the wild members of the genus Canis display complex coordinated parental behaviors. Wolf pups are cared for primarily by their mother for the first 3 months of their life when she remains in the den with them while they rely on her milk for sustenance and her presence for protection. The father brings her food. Once they leave the den and can chew, the parents and pups from previous years regurgitate food for them. Wolf pups become independent by 5 to 8 months, although they often stay with their parents for years. In contrast, dog pups are cared for by the mother and rely on her for milk and protection but she gets no help from the father nor other dogs. Once pups are weaned around 10 weeks they are independent and receive no further maternal care.[45]
It can get rather frustrating if your dog likes to dig up your yard. Try and determine the cause of the digging, then work to eliminate that source. Give your dog more exercise, spend more quality time together, and work on extra training. If digging seems inevitable, set aside an area where your dog can freely dig, like a sandbox. Train your dog that it is acceptable to dig in this area only.
If you can teach your dog polite manners without hurting or frightening her, why not do it? Rather than punishing her for all the things you don’t want her to do, concentrate on teaching your dog what you do want her to do. When your dog does something you like, convince her to do it again by rewarding her with something she loves. You’ll get the job done without damaging the relationship between you and your best friend.
Dog behavior problems are often misunderstood or mishandled by dog owners. Perhaps you are new to dog ownership, considering getting a dog, or just wish to help your dog with a challenging issue. Thoroughly understanding the most common dog behavior problems is the first step to solving and preventing them. A solid foundation of obedience training will help you prevent or better control many of these issues. Dog Training
Consideration: Many little dogs generally don’t like to rock the boat. This is especially true if they’ve been punished for accidents. A lot of people think punishing works because their dog or pup looks guilty. Well, that guilty look is just fear. And it doesn’t work; why else would you be reading this article? Often a little dog will make it easy on everyone and potty in a remote corner of the house. Think back: was there a time your puppy nipped, barked, or jumped at you repeatedly? Don’t ignore it—that’s the doggy equivalent of a toddler’s crotch grasping or body squirm. Our dog will nip, jump, and bark at you to tell you he’s gotta go! how to potty train a puppy

At this initial stage, we teach the dog how to learn from and interact with the handler. This establishes a bond essential for reducing stress and increasing opportunities for fun.We use food rewards to shape and lure the dog into foundation positions. Repetition is key to the dog’s learning. Once the dog is offering the behaviours freely, a ‘cue’ word is added.All work happens in our training barn, where outside distractions are minimised. dog training collar
Dog pups show unrestrained fighting with their siblings from 2 weeks of age, with injury avoided only due to their undeveloped jaw muscles. This fighting gives way to play-chasing with the development of running skills at 4–5 weeks. Wolf pups possess more-developed jaw muscles from 2 weeks of age, when they first show signs of play-fighting with their siblings. Serious fighting occurs during 4–6 weeks of age.[55] Compared to wolf and dog pups, golden jackal pups develop aggression at the age of 4–6 weeks when play-fighting frequently escalates into uninhibited biting intended to harm. This aggression ceases by 10–12 weeks when a hierarchy has formed.[56]
Reasons for aggression are basically the same as the reasons a dog will bite or snap, but overall canine aggression is a much more serious problem. If your dog has aggressive tendencies, consult your vet first as it may stem from a health problem. Then, seek the help of an experienced dog trainer or behaviorist. Serious measures should be taken to keep others safe from aggressive dogs.
It’s best not to punish the puppy for making a mistake. Instead, focus on praising appropriate bathroom behavior. If you catch your puppy in the act, interrupt it by saying “No!” in a firm voice or clapping your hands loudly, then take the puppy outside to finish going to the bathroom. Never swat your puppy, yell at it, or try to rub its nose in the mess.
Dog intelligence is the ability of the dog to perceive information and retain it as knowledge in order to solve problems. Dogs have been shown to learn by inference. A study with Rico showed that he knew the labels of over 200 different items. He inferred the names of novel items by exclusion learning and correctly retrieved those novel items immediately. He also retained this ability four weeks after the initial exposure. Dogs have advanced memory skills. A study documented the learning and memory capabilities of a border collie, "Chaser", who had learned the names and could associate by verbal command over 1,000 words. Dogs are able to read and react appropriately to human body language such as gesturing and pointing, and to understand human voice commands. After undergoing training to solve a simple manipulation task, dogs that are faced with an insolvable version of the same problem look at the human, while socialized wolves do not. Dogs demonstrate a theory of mind by engaging in deception.[4][5]
If you run into trouble, go back a few steps If you’re training your dog to do something new and you stop making progress, you may have increased the difficulty of the skill too quickly. Similarly, if you’re practicing a behavior your dog hasn’t performed in a while and she seems a little rusty, she may need some help remembering what you want her to do. If you run into training challenges like these, just refresh your dog’s memory by making the skill a little easier for a few repetitions. Go back to a step that you know your dog can successfully perform, and practice that for a while before trying to increase difficulty again. 

Dogs eat feces for many reasons; it can be a normal (while distasteful to us) dog behavior. Young dogs may watch their mother clean them (who ingests feces as a result), and mimic her. Fear may even cause your dog to eat feces if he's afraid of the repercussions. Then again, your dog may just be curious. He may smell certain scents in the feces and wonder what it tastes like.
In 2004, a study reviewed 5 other studies of feral dogs published between 1975 and 1995 and concluded that their pack structure is very loose and rarely involves any cooperative behavior, either in raising young or in obtaining food.[82] Feral dogs are primarily scavengers, with studies showing that unlike their wild cousins, they are poor ungulate hunters, having little effect on wildlife populations where they are sympatric.[83]:267 However, several garbage dumps located within the feral dog's home range are important for their survival.[84] Even well-fed domestic dogs are prone to scavenge; gastro-intestinal veterinary visits increase during warmer weather as dogs are prone to eat decaying material.[85] Some dogs consume feces, which may contain nutrition.[86][87] On occasion well-fed dogs have been known to scavenge their owners' corpses.[88] Puppy Training

In 2004, a study reviewed 5 other studies of feral dogs published between 1975 and 1995 and concluded that their pack structure is very loose and rarely involves any cooperative behavior, either in raising young or in obtaining food.[82] Feral dogs are primarily scavengers, with studies showing that unlike their wild cousins, they are poor ungulate hunters, having little effect on wildlife populations where they are sympatric.[83]:267 However, several garbage dumps located within the feral dog's home range are important for their survival.[84] Even well-fed domestic dogs are prone to scavenge; gastro-intestinal veterinary visits increase during warmer weather as dogs are prone to eat decaying material.[85] Some dogs consume feces, which may contain nutrition.[86][87] On occasion well-fed dogs have been known to scavenge their owners' corpses.[88]
One of the biggest predictors of a speedy potty training process is owner diligence. If you’re on top of your puppy’s schedule and you stick to a strict prevention and supervision regiment, you should be well on your way to potty training success within a few months. You can consider your puppy almost fully housetrained when you’ve gone an entire month without a single accident, but keep in mind that potty training is an inexact science. It’s best to have several dry months before you can really trust that your puppy understands the rules. how to potty train a puppy

The PetSafe Gentle Lead Head Collar is available in sizes suitable for dogs from five pounds to over 130 and comes in eight different colors. The package also includes an explainer DVD that demonstrates the appropriate way to use the collar. Customers rave that it really does help dogs that won’t quit pulling on the leash—and it won’t break the budget, either.
If you can teach your dog polite manners without hurting or frightening her, why not do it? Rather than punishing her for all the things you don’t want her to do, concentrate on teaching your dog what you do want her to do. When your dog does something you like, convince her to do it again by rewarding her with something she loves. You’ll get the job done without damaging the relationship between you and your best friend.
Many behavior problems can be prevented by providing “legal,” acceptable ways for your dog to express her natural impulses. There are some things that dogs just need to do. So rather than trying to get your dog to stop doing things like chewing, mouthing and roughhousing altogether, channel these urges in the right direction. Increased physical activity and mental enrichment are excellent complements to training. Please see our articles, Enriching Your Dog’s Life, Exercise for Dogs and How to Stuff a KONG® Toy, to learn more. click here
The motivation for a dog to play with another dog is distinct from that of a dog playing with a human. Dogs walked together with opportunities to play with one another, play with their owners with the same frequency as dogs being walked alone. Dogs in households with two or more dogs play more often with their owners than dogs in households with a single dog, indicating the motivation to play with other dogs does not substitute for the motivation to play with humans.[13]
Dogs eat feces for many reasons; it can be a normal (while distasteful to us) dog behavior. Young dogs may watch their mother clean them (who ingests feces as a result), and mimic her. Fear may even cause your dog to eat feces if he's afraid of the repercussions. Then again, your dog may just be curious. He may smell certain scents in the feces and wonder what it tastes like.
Sometimes, despite all of your hard work, your puppy might slip up and eliminate in the house. If you catch him in the act, make an abrupt noise to stop him then quickly bring him outside and give him a reward for finishing in the right spot (it’s okay if you take him out and he doesn’t go). Don’t punish your dog for the accident; simply clean it up with an appropriate odor eliminator and vow to watch him more diligently in the future.

The Pet Resolve Dog Training Collar with Remote has both shock and vibration to deter your pup from his bad behavior and for emergencies, you can hold the button down for prolonged vibration or shock for up to 8 seconds. This will help you get him out of trouble before he gets himself hurt or hurts someone else. (Imagine if your pup is especially curious about your chicken coop.)
This training collar actually uses one of the most popular and effective forms of correction; citronella spray. What this means is that when the dog barks, the microphone in the box on the collar will be activated; releasing a burst of harmless citronella into the room. Dogs are not too fond of this odour, and they will associate barking with the smell. 
This training collar actually uses one of the most popular and effective forms of correction; citronella spray. What this means is that when the dog barks, the microphone in the box on the collar will be activated; releasing a burst of harmless citronella into the room. Dogs are not too fond of this odour, and they will associate barking with the smell. 
One test to ascertain in which group the dominant dog was used the following criteria: When a stranger comes to the house, which dog starts to bark first or if they start to bark together, which dog barks more or longer? Which dog licks more often the other dog's mouth? If the dogs get food at the same time and at the same spot, which dog starts to eat first or eats the other dog's food? If the dogs start to fight, which dog usually wins?[35]

Do not scold your dog harshly if you catch him urinating in the wrong place. Calmly say, "No," and bring him to his potty place with a piece of soiled paper towel. Only scold your dog for going in the wrong place if you catch her in the act. Do not drag her back to a puddle to scold her. She will not understand that it is the location of the urine that is the problem and may even begin to fear urinating in front of you. Puppy potty Training
If your puppy just can’t seem to get the hang of potty training at this point and continuously has accidents in the house, you may consider taking him to a veterinarian to rule out any medical conditions. It’s possible that he has a physical issue that’s impeding his ability to “hold it,” in which case you would want to get him help for the condition as soon as possible.
All of the wild members of the genus Canis display complex coordinated parental behaviors. Wolf pups are cared for primarily by their mother for the first 3 months of their life when she remains in the den with them while they rely on her milk for sustenance and her presence for protection. The father brings her food. Once they leave the den and can chew, the parents and pups from previous years regurgitate food for them. Wolf pups become independent by 5 to 8 months, although they often stay with their parents for years. In contrast, dog pups are cared for by the mother and rely on her for milk and protection but she gets no help from the father nor other dogs. Once pups are weaned around 10 weeks they are independent and receive no further maternal care.[45]
There is only one acceptable methodology for potty training a dog of any age: positive reinforcement. Traditional advice suggested swatting a dog or rubbing his face in his waste for mistakes in the house, but those techniques do nothing to make the potty training process more understandable for your dog and can actually damage your relationship with him. Keep in mind, dogs don’t view their waste the way we do – to them, pee and poo is pretty interesting! Punishing your dog for going in the house won’t help him understand what he should do instead and might make him afraid to go near you at all, inside or out. Successful potty training requires patience, kindness and remembering that your new puppy is just learning the rules.
One of the biggest predictors of a speedy potty training process is owner diligence. If you’re on top of your puppy’s schedule and you stick to a strict prevention and supervision regiment, you should be well on your way to potty training success within a few months. You can consider your puppy almost fully housetrained when you’ve gone an entire month without a single accident, but keep in mind that potty training is an inexact science. It’s best to have several dry months before you can really trust that your puppy understands the rules.
DoggieBuddy.com is a free online resource developed to help dog owners. We noticed that you usually have to pay for the majority of resources out there that are really beneficial to dog owners, so we decided that there should be a place where quality content is made available for dog owners like yourself—for free. Although we might have some paid content to keep DoggieBuddy running, all information on this site is free. Our goal is to help you grow a stronger, more worthwhile bond with your dog, a bond that will last a lifetime. dog training collar
When using a crate, make sure that it is large enough to let your pup stand, turn around, and lie down comfortably. However, it should not be so large that your puppy could use a corner of the crate as an elimination spot. If your dog does start eliminating in the crate, you should stop using this method. Your puppy may have picked up this bad habit in a previous home, or he may be too young to deal with a crate.

If your dog is house trained, it may come as a surprise if you see him urinating in your home. Dog behavior doesn't usually change without reason. Formerly reliable dogs who suddenly begin urinating inside need your attention! This is a sign that something may be very wrong with your furry friend, and when he relieves himself frequently–even if he is in the correct location–it can be a sign of a urinary tract, bladder, or kidney infection. In an older dog, it may even be a sign of dementia.
My nine year old standard poodle loves to perform tricks. She earned 4 titles this summer including the ‘performance dog’ trick title. She needed a few new tricks in her repertoire, so, I taught her to turn on & off a light switch &walk across a raised balance beam. I think because she’s had an enriched environment, she learned theses new things quickly. I showed her once & she had it. Yes, you can teach old dogs new tricks! dog training tips
To get you started on the dos and don’ts, must haves and don’t wants we’ve organized a list to start you off right. We reviewed dozens of training collars for dogs to identify the best of the best. We looked at those with remotes and those without, along with those with and without an electric shock. We gathered our research and narrowed it down for you. more
Dogs have an olfactory sense 40 times more sensitive than a human's and they commence their lives operating almost exclusively on smell and touch.[6]:247 The special scents that dogs use for communication are called pheromones. Different hormones are secreted when a dog is angry, fearful or confident, and some chemical signatures identify the sex and age of the dog, and if a female is in the estrus cycle, pregnant or recently given birth. Many of the pheromone chemicals can be found dissolved in a dog's urine, and sniffing where another dog has urinated gives the dog a great deal of information about that dog.[6]:250 Male dogs prefer to mark vertical surfaces and having the scent higher allows the air to carry it farther. The height of the marking tells other dogs about the size of the dog, as among canines size is an important factor in dominance.[6]:251 Puppy Training
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