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]
Yes, a training collar is completely safe for your dog. This is because they only use sound, vibration, or citronella spray. Each of these is completely harmless and designed to give your dog a surprise as opposed to an electric shock. They are effective for training, and they will not cause increased aggression because your dog is not feeling any pain, they are just a little startled by the sudden sound, sensation, or smell. 

Studies using an operant framework have indicated that humans can influence the behavior of dogs through food, petting and voice. Food and 20–30 seconds of petting maintained operant responding in dogs.[89] Some dogs will show a preference for petting once food is readily available, and dogs will remain in proximity to a person providing petting and show no satiation to that stimulus.[90] Petting alone was sufficient to maintain the operant response of military dogs to voice commands, and responses to basic obedience commands in all dogs increased when only vocal praise was provided for correct responses.[91]
Once upon a time, shock collars were just that. If they came with any intensity settings at all they were something like “High,” “Super High,” and “Lobotomy.” But that hasn’t been the case for a while and even the shock collars that “shock” are now so low it won’t actually hurt your dog; more surprise them. The “shock” is the same intensity of the shock you would get from a Tens electrode pad massage unit. If you’ve used them at all, you know it doesn’t hurt one bit. In fact, it can feel quite good in the proper context (but that context is not a dog’s training collar so don’t worry about him liking and wanting more of the jolt.)
There are several medical issues that can interfere with potty training. Dogs with a urinary tract infection (UTI) will urinate frequently in small amounts, and will not have much control. You may also notice excessive licking of their genital region. If you notice a change in the consistency of their stool, the cause could be a gastrointestinal issue. Some common causes in puppies are intestinal parasites, having eaten something not in their normal diet, or a sudden food change. If a food change is necessary, do it gradually over 5 to 7 days. If you suspect any of these issues could be a problem, you should consult with your veterinarian.[19]
Take baby steps Dogs, just like people, learn best when new tasks are broken down into small steps. For example, you can’t go out and line dance unless you learn all of the individual steps first! When teaching your dog a new skill, begin with an easy first step and increase difficulty gradually. If you’re training your dog to stay, start by asking her to stay for just 3 seconds. After some practice, try increasing the duration of her stay to 8 seconds. When your dog has mastered an 8-second stay, make things a little harder by increasing the time to 15 seconds. Over the next week or two, continue to gradually increase the duration of the stay from 15 seconds to 30 seconds to a minute to a few minutes, etc. By training systematically and increasing difficulty slowly, you’ll help your dog learn faster in the long run.
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 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.
Loud sound/ultra sonic. This deterrent will set off a loud sound or an ultra sonic tone that will surprise your dog when he’s caught being a bad dog. If reviews are to be believed, this is the least effective of the most commonly used deterrents but it’s also the nicest, so if you’re feeling guilty this may be your solution. Often a beep is combined with another type of deterrent and that seems to be more effective, though.
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
Resource guarding is exhibited by many canines, and is one of the most commonly reported behaviour issues to canine professionals.[50] It is seen when a dog uses specific behaviour patterns so that they can control access to an item, and the patterns are flexible when people are around.[51] If a canine places value on some resource (i.e. food, toys, etc.) they may attempt to guard it from other animals as well as people, which leads to behavioural problems if not treated. The guarding can show in many different ways from rapid ingestion of food to using the body to shield items. It manifests as aggressive behaviour including, but not limited to, growling, barking, or snapping. Some dogs will also resource guard their owners and can become aggressive if the behaviour is allowed to continue. Owners must learn to interpret their dog's body language in order to try to judge the dog's reaction, as visual signals are used (i.e. changes in body posture, facial expression, etc.) to communicate feeling and response.[50] These behaviours are commonly seen in shelter animals, most likely due to insecurities caused by a poor environment. Resource guarding is a concern since it can lead to aggression, but research has found that aggression over guarding can be contained by teaching the dog to drop the item they are guarding.[51]
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]
Crate training is a great way to start your puppy off on the right paw. Dogs have a natural instinct to keep their den clean, so a properly sized crate, introduced gradually, will create a home base for your puppy and will keep him from having accidents when you can’t watch him. Use the crate when you’re unable to give your puppy your full attention during the day, as well as at nap time and bedtime. Selecting the right size crate is critical, and it should be big enough so that your puppy can comfortably stand up, turn around and lie down but not much bigger. If you opt for a crate that’s too large, your puppy will be able to potty in one corner and sleep comfortably in the other, defeating the purpose of crate training.

It also helps to teach your puppy a “potty phrase” when you take him outside for a bathroom break. A potty phrase is a way to gently remind your puppy what he needs to do when he’s outside. It’s a big help during the potty training phase of puppyhood and you can continue to use for the rest of his life. Pick a phrase like “hurry up” or “go ahead” and say it softly right as your puppy eliminates. In time your dog will associate the phrase with the act of elimination, so you can say it when your puppy gets distracted and forgets what he needs to do outside.
Dog aggression is exhibited by growling, snarling, showing teeth, lunging, and biting. It is important to know that any dog has the potential to show aggression, regardless of breed or history. However, dogs with violent or abusive histories and those bred from dogs with aggressive tendencies are much more likely to exhibit aggressive behavior towards people or other dogs. dog training classes

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.

Consequences must be consistent When training your dog, you-and everyone else who interacts with her-should respond the same way to things she does every time she does them. For example, if you sometimes pet your dog when she jumps up to greet you but sometimes yell at her instead, she’s bound to get confused. How can she know when it’s okay to jump up and when it’s not?

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Step 1: Give the command to sit. After waiting five to eight seconds, go ahead and use the vocal command with a hand motion of your choice to tell your dog to be released from his sitting position. If you act excited while doing this, your dog should naturally release. When he does so, click and treat. Repeat this step until your dog is consistently releasing.
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
To communicate clearly and consistently with your dog, you need to understand how she learns. Dogs learn through the immediate consequences of their behavior. The nature of those consequences determines how they’ll behave in the future. Dogs, like other animals (people included), work to get good things and avoid bad things in life. If a behavior results in something rewarding-like food, a good belly rub, playtime with dog buddies or a game of fetch with her pet parent-your dog will do that behavior more often. On the other hand, if a behavior results in an unpleasant consequence-like being ignored or losing things she finds rewarding-she’ll do that behavior less often. click here

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.
In the US between 1979 and 1996, there were more than 300 human dog bite-related fatalities.[99] In the US in 2013, there were 31 dog-bite related deaths. Each year, more than 4.5 million people in the US are bitten by dogs and almost 1 in 5 require medical attention. A dog's thick fur protects it from the bite of another dog, but humans are furless and are not so protected.[100]
Dogs (and wolves) mark their territories with urine and their stools.[37] The anal gland of canines give a particular signature to fecal deposits and identifies the marker as well as the place where the dung is left. Dogs are very particular about these landmarks, and engage in what is to humans a meaningless and complex ritual before defecating. Most dogs start with a careful bout of sniffing of a location, perhaps to erect an exact line or boundary between their territory and another dog's territory. This behavior may also involve a small degree of elevation, such as a rock or fallen branch, to aid scent dispersal. Scratching the ground after defecating is a visual sign pointing to the scent marking. The freshness of the scent gives visitors some idea of the current status of a piece of territory and if it is used frequently. Regions under dispute, or used by different animals at different times, may lead to marking battles with every scent marked-over by a new competitor.[6]:252–4 Puppy potty Training