Domestic dogs appear to pay little attention to relative size, despite the large weight differences between the largest and smallest individuals; for example, size was not a predictor of the outcome of encounters between dogs meeting while being exercised by their owners nor was size correlated with neutered male dogs.[36] Therefore, many dogs do not appear to pay much attention to the actual fighting ability of their opponent, presumably allowing differences in motivation (how much the dog values the resource) and perceived motivation (what the behavior of the other dog signifies about the likelihood that it will escalate) to play a much greater role.[34]


The male dog mounts the female and is able to achieve intromission with a non-erect penis, which contains a bone called the os penis. The dog's penis enlarges inside the vagina, thereby preventing its withdrawal; this is sometimes known as the "tie" or "copulatory lock". The male dog rapidly thrust into the female for 1–2 minutes then dismounts with the erect penis still inside the vagina, and turns to stand rear-end to rear-end with the female dog for up to 30 to 40 minutes; the penis is twisted 180 degrees in a lateral plane. During this time, prostatic fluid is ejaculated.[44]


Tail chasing can be classified as a stereotypy. It falls under obsessive compulsive disorder, which is a neuropsychiatric disorder that can present in dogs as canine compulsive disorder.[52] In one clinical study on this potential behavioral problem, 18 tail-chasing terriers were given clomipramine orally at a dosage of 1 to 2 mg/kg (0.5 to 0.9 mg/lb) of body weight, every 12 hours. Three of the dogs required treatment at a slightly higher dosage range to control tail chasing, however, after 1 to 12 weeks of treatment, 9 of 12 dogs were reported to have a 75% or greater reduction in tail chasing.[53] Personality can also play a factor in tail chasing. Dogs who chase their tails have been found to be more shy than those who do not, and some dogs also show a lower level of response during tail chasing bouts.[52]
The remote will actually let you train two dogs at once thanks to its dual functionality, all you need is an extra collar. There are 100 vibration levels, and you can choose whether to solely use vibration or sound, as well as both. The collar is also a one size fits all, so you shouldn’t have any trouble adjusting it to your dog. Completely waterproof and with rechargeable batteries, it was built to last. 
A new puppy or even a fully grown dog can bring a lot of joy to your household. The most critical part of integrating your new pup into your home is potty training. Use this seven-day guide to get you started with potty training your puppy. As you begin, keep in mind that fully housebreaking your puppy can take four to six months of consistency and patience. In seven short days, however, you can lay the groundwork and see some significant results. 

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.
Step 1: Most dogs will yawn when they are anxious. You can use that to help you catch the yawn. Look for your dog to yawn when he wants to go outside or wants a ball or toy that you are holding. When he yawns, click and treat. Because this trick has to be 'caught' with the clicker, it can be fairly difficult, and you have to................................. dog training classes
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] click here

Every dog needs to learn to walk on a leash. Besides the fact that most areas have leash laws, there will be times when keeping your dog on a leash is for his own safety. Learn how to introduce your dog or puppy to the leash, then teach him how to walk properly on the leash, even beside you on a bike. A loose leash walk teaches your dog not to pull or lunge when on ​the leash, making the experience more enjoyable for both you and your dog.
Dominance is a descriptive term for the relationship between pairs of individuals. Among ethologists, dominance has been defined as "an attribute of the pattern of repeated, antagonistic interactions between two individuals, characterized by a consistent outcome in favor of the same dyad member and a default yielding response of its opponent rather than escalation. The status of the consistent winner is dominant and that of the loser subordinate."[33] Another definition is that a dominant animal has "priority of access to resources".[33] Dominance is a relative attribute, not absolute; there is no reason to assume that a high-ranking individual in one group would also become high ranking if moved to another. Nor is there any good evidence that "dominance" is a lifelong character trait. Competitive behavior characterized by confident (e.g. growl, inhibited bite, stand over, stare at, chase, bark at) and submissive (e.g. crouch, avoid, displacement lick/yawn, run away) patterns exchanged.[34]
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.
The lightest of SportDog’s training collars, the Field Trainer 425X works well for hunting enthusiasts who want to teach their dogs to improve their flushing and retrieving skills. It’s waterproof and has a range of 500 yards, with batteries that last 50-70 hours per charge—making it perfect for long days on the range, no matter the weather or terrain. The transmitter can also control up to three collars, so you can work with multiple dogs at once.
Unfortunately, there is no magic length of time or milestone age when a puppy can be considered fully housetrained and there are many factors that go into how quickly a puppy can be potty trained. Your puppy’s age plays a major role during the initial phase of potty training, as a very young puppy won’t have the muscle control necessary to hold it for long periods of time. go here for more
The process is the exactly same for older dogs as it is for puppies; prevent accidents from happening by using baby gates and a crate if possible, create a predictable schedule, learn to recognize your dog’s potty signals, accompany your dog outside and immediately reward for all outdoor elimination, properly clean any accidents and supervise your dog until you’re sure that he understands the rules.

Above all, keep in mind that every dog is different, and some may take longer to pick up good habits around eliminating than others. Your pup may have perfect manners after just a few days, or he may take a few months to really get the hang of things, especially if he picked up bad habits before joining your family. Remember that patience and persistence are key when it comes to potty training, and that your efforts will be well worth it in the long run. Puppy potty Training


Give your dog the cue to go potty as soon as you reach her potty spot. If she goes, give her lots of verbal praise and a treat. If more than a minute passes without any indication that she is about to go potty, then leave the potty place and return in a few minutes to try again. If you are training indoors, it is best to go to another room. If you are training outdoors, you should go back inside before returning.
Unfortunately, there is no magic length of time or milestone age when a puppy can be considered fully housetrained and there are many factors that go into how quickly a puppy can be potty trained. Your puppy’s age plays a major role during the initial phase of potty training, as a very young puppy won’t have the muscle control necessary to hold it for long periods of time. go here for more
Step 1: Most dogs will yawn when they are anxious. You can use that to help you catch the yawn. Look for your dog to yawn when he wants to go outside or wants a ball or toy that you are holding. When he yawns, click and treat. Because this trick has to be 'caught' with the clicker, it can be fairly difficult, and you have to.................................

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. 

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] click here
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