Dogs Who Eat Things Off The Ground: Training Leave It

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By Dr. Sophia Yin

“We were on a cruise in Juneau when we got the report,” says the client sitting across from me. “The surgeon had to open his intestines in three places and they found part of a sock and a shoe. Three feet of the intestines was severely swollen and the intestines were close to busting open.” Dan explained that the surgery had gone well but this time Barnaby was septic, meaning that his illness had caused bacteria to spill into the blood causing a system-wide infection. 
“We immediately flew home to see him. He was emaciated and his prognosis was bad. We were close to euthanizing him, but he was wagging his tail and he didn’t have a fever, so we waited overnight.  He got a little better every day.” After transfusions, intravenous antibiotics, and a tremendous amount of supportive care, Barnaby survived and was now standing with his tail wagging in front of me.

This wasn’t Barnaby’s first expensive belly-ache. He had already been to surgery twice for eating foreign objects and had a history of eating both edible and inedible objects in the house for attention and when out on walks as part of his routine of vacuuming the sidewalks. Most people’s scavenging dogs are not nearly as compulsive about eating and ingesting objects the way Barnaby was, but the outcome of their dog’s behavior can be equally as dangerous. So can you fix this behavior and do so permanently? That depends partly on whether your dog’s just snuffling for snacks because he has nothing more entertaining to do or whether the scavenger hunt has developed into an addictive game.

In either case, the solution starts by first seeing the world from your dog’s point of view. To us, the ingestion of food wrappers, horse poop, and other smelly things seems gross. To the dog, it’s like walking into a room filled with French pastries and desserts and they’re free! It would be hard for you and me to avoid tasting one or two of the desserts, even if we had just eaten dinner. A warning from others to avoid these riches would be about as useful over the long-term as trying to force a kid to eat healthy when locked in a room filled with candy.

The trick fixing this errant eating behavior in dogs requires something much more refined than punishment. We have to modify the dog’s desire and make him somehow think that ignoring the tasty items or at least spitting them out on cue is more fun than gulping it down fast and then running from you. It is possible.  Here’s the plan.

For dogs who are primarily on leash or nearby when they grab the loot, teaching a “love to leave-it” will do. Start in a warm up exercise to get him in the right mindset and make sure you’re in a non-distracting environment with a hungry pet . Let him know that  you have bite-sized treats (preferably bits of his regular meal) and just stand still and wait for him to sit. If he wants the food he’ll try whatever he usually does to get his way such as vocalizing or jumping on you. Your job is to make like a tree and hold perfectly silent and still. Resist the temptation to blurt out “no” or push the pooch away from you. We want to keep the environment calm so he can figure it out on his own. Eventually, a light bulb will go on in his head and he’ll try a sit. As soon as he sits, give him the treat and then while he’s still sitting and focused on you, give him a few additional treats for remaining calmly seated. Next move a few steps away and repeat the exercise. Practice in sets of ten sits in a row until he regularly sits quickly and automatically. The goal here is that the dog has “sit” fresh on his mind as his default good behavior for getting what he wants.

Next we’ll apply this to leave-it, where saying “leave-it” will come to mean get your smelly nose or mouth off that thing and come to me to get something better. Here are two versions.

Version 1: Start with your dog on leash and make sure you keep your leash-holding hand glued to your side so the leash length does not vary. Toss a treat out of your dog’s range. When he gets to the end of the leash make sure you don’t budge. He’ll pull and pull and then realize “Hey this isn’t working.” Eventually, he’ll look up towards you and perform his default behavior of sitting. Immediately, give him a treat followed by several more one-by-one until he continues to focus on you instead of looking to the treat on the floor. When he’ll look at you for at least two seconds even after he’s gotten a treat, then give him the ultimate reward by releasing him with a verbal “Ok” and walk towards the food on the floor so that he can get it. If you never want him to pick food up off the ground, then instead, walk over and pick it up for him while he remains seated and then give it to him while he’s still sitting. In both cases, he’s learning he can have the thing on the ground if he just asks your permission. And he may get something better for sitting and asking you first. In reality, he can’t have everything on the ground, but he won’t think of that if you make it a habit. Once he reliably comes to sit in front of you within one second after you drop food on the floor or right after he gets to the end of the leash you can start training the leave-it cue by saying “leave-it” in a happy tone of voice right after you toss the treat.

Version 2: You’ll start by blocking your dog from getting the treat by standing right in front of him. Note, similarly in basketball, you’re not allowed to grab him or his leash. Rather you have to outmaneuver him by quickly moving to block his path. If you think he’s faster than you, then you may want to practice near a wall or in the hallway so that you can use the walls to help block him too. Start with him in a standing position and conspicuously drop a treat in front of him, but in a way that you can step between him and the treat as soon as you drop it. At first he may move from side to side trying to get to the treat. Keep outmaneuvering him until he stops and looks at you and then finally sits. Reward him immediately once he sits and then intermittently until he keeps looking at you. Next stand aside so he has a clear path to the treat but don’t let him charge for it on his own. Block him if he starts to look at the treat or gets up to move towards the treat. If he remains seated and looks at you for two seconds, then release him to get the treat or pick it up and give it to him. As with Version 1, you can train the cue word “leave-it”, once you know he will reliably back off and sit when he sees you block him.

Now, practice around the house and on walks so your dog learns that this is the rule for picking up dropped food all the time. While cooking or walking around the house randomly drop food, but be ready to block your dog from getting to it. Also have tasty rewards handy so he finds it worthwhile to wait. Try this ten times a day for several days in a row, so that the good behavior quickly becomes a habit and generalizes to all the time in the house.  Do the same with him outside where you set “food” that you or a friend “plant” along your walk. Remember, the more you practice and get it right, the faster he will develop a habit of responding to “leave-it.”

Now if you’re on a walk and your dog wants to sniff something inappropriate you need only tell him “leave-it”. In fact, yesterday my Jack Russell Terrier, Jonesy and I were standing around at the bus station. I saw him pick something up so I told him, “Leave-it, Little guy.” Ptoeey, a chicken bone popped right out of his mouth and flew onto the floor and Jonesy bounced over to me just in case I had something better.

If you have a dog who spends his entire walk trying to clean up the street, then once you have him focused on you reward him every several steps. Systematically increase the amount of steps he needs to take while focused on you in order to earn a reward.  For this type of dog, the walks should become about interacting and playing with you instead of scavenging food off the ground. Better for him to earn treats by looking at you while walking down the street than by scavenging on his walk.

For dogs who scavenge when off leash, such as at the park you’ll need to add a fantastic come when called. For instance, several months ago, Jonesy was chasing squirrels in a field. From 100 yards away I could see him pick something up. I called “Jonesy, Come” and he sped back with the uneaten item—a dead squirrel. “Leave-it”, I told him and he immediately released it and got something equally good. Then he went back to his business of looking for live squirrels.

Unfortunately, these solutions do require that you supervise your dog. While some dogs may stop the scavenging altogether, others can never be trusted. In those cases, where you just can’t keep an eye out all the time, it may be best to train him to enjoy wearing a basket muzzle. 

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24 responses to “Dogs Who Eat Things Off The Ground: Training Leave It

  1. Excellent article and similar techniques that I used as a trainer and one that I encourage now in our canine first aid classes … which is something we also recommend all dog owners/dog professionals educated themselves in the event that your dog does not “drop it” or “leave-it” and ingests it (or worse, chokes on it) instead. Prevention is key and also knowing what to do in an emergency is critical. Thanks for the great article!

  2. Very helpful. Thank you. I don’t know why it never occurred to me to just pick things up off the ground when they are actually ok to eat (i.e. when I put them there!)

  3. Thanking you sooo much for teaching us readers about this very effective cue called leave it. This cue can certainly save a dogs life ;for example, if a dog discovers a snake hidden under a rock,etc. By the way, I was wondering do dogs laugh? And do dogs enjoy hearing people laugh? Thanking you for your loving kindness and all that you do for dogs and others,too!

  4. Ah, but, what if you’re vision impaired and you don’t see for example, my guide/seeing eye dog swipe half a sandwicch with Coleslaw which contains onions, off the pavement and swallow it down before you can do anything about it? I’m at a bit of aloss with my guide/seeing eye dog for this very reason, despite calling the mobility team out to advise me on his obsessive eating. I don’t really want to do treat distractions as he’s 1.7 Kg over his optimum weight of 30 kg. Guide dogs says he should only go a kilo over or kilo under 30 kg.

    1. in that case weigh out food for the day and take a hefty handful out to use as training treats. simple.

  5. Hello. My issue is that my dog literally eats everything off the floor, inside the apartment. It is to the point that if he sees even the tiniest little dot he would start breaking the carper to get it. And lets not talk about the kitchen. We clean and vacuum every day. We have given him treats when he finds something and don’t eat it, we pet him, he eats well (sometimes his food is more expensive than mine, lol), we buy him toys, I run every day with him and let him play outside so he doesn’t get bored. However, every time we turn our back he goes and finds something to chew or to break, or a way to get into the kitchen. Lately he has been closer and closer to the trash can. I have tried the sprays, and I have tried grounding him. Nothing seems to work. He loves to go under the dining table (which we vacuum every day, sometimes twice).

    One thing I think is happening (which I’ve talked to my wife) is that not everyone in the house is on the same page. Normally I am the one paying attention to the dog, and the one who is aware of what Ruffus (dog) does. I am the one who corrects him, or pet him, or ground him if he does something right or wrong. And I would say that to some point (at least until a few weeks ago) he would not eat off the floor when I am around. But lately not even that works. Can you give any advise?

    1. Juan,
      I am in the same situation with my 2 year old pup. I have trained her to leave it on command. I keep a clean house and walk/let her play outside often. She has at least 6 different sturdy chews with treats etc. She continues to eat things off of the floor when I am not looking. This last Sunday she began to vomit blood and I took her to the vet. She was diagnosed with pancreatitis, which the vet lovingly termed “garbage gut.” It was a very expensive vet bill, over night iv fluids, xrays etc. So now I have got her a muzzle and am teaching her it is a good thing with treats etc. I also put her up in her kennel if I am too busy to keep an eye on her. These two things have seemed to help. I feel bad about having to do it, but am hoping with the muzzle it will stop her compulsive behavior and eventually I may be able to trust her without it. In the end, having a muzzle is better than being back in the hospital. Hope this helps. Good luck!

      1. It’s so informative. I have an English Bull dog, 8 months old and perhaps thinks that walk time is scavenging time. She eats anything and everything. Very stubborn and won’t listen to commands

    2. the same thing happens to my 3 month old golden anything on the floor he will eat from tissuse to food i am the only one in my family who traines him and lookes after him when i am not supervising him he is in his crate one time ago my little brother gave him my little brother gave him a grape and my pup cant resist food so he ate it and he had to stay in the vet overnight

  6. Hi! Thanks for the article!
    My dog is a scavenger, she comes when called, and she is learning the leave it command… however if she finds a dead bird or bones, she will ignore my commands and try to run from me (if is something else she will come and leave it just fine)… I honestly have no idea what would be a good treat to exchange… I usually use pieces of chicken, meat or cheese, but if she finds bones or dead animals she will not want those anymore 🙁

    1. Hi Carla
      I’ve just read your post regarding your scavenging dog as I have the exact same problem with my dog and its really getting me down. She also eats other dogs poop too when out walking. She totally understands “leave it” and will happily walk away from other things or drop them out of her mouth for a tasty reward but absolutely no reward is as tasty as a carcass (she will eat feathers, beak, legs – everything) or a dead fish on the beach. Like yours I can’t get near her as she takes off, in fact I just have to keep walking away till she eventually follows me which isn’t the best thing to do as I can get some distance away. She just goes completely deaf to me. Did you ever manage to stop yours doing this? Mine is a 2 year old rescue who has been with me for just over a year. Many thanks for any help/advice! The website below is where I came across your post.

  7. I know what you mean. I have a German shepherd puppy (3 mos) and a Australian shepherd 10 mos. Both are scavengers, the GS is worse. He eats poop, rocks, dirt, grass etc. No he has no worms or intestinal parasites. He just is always going at the ground. He stays in the yard, because he has had all shots but needs rabies. I try treats, leashing etc. I am trying hard to steer him away and keep his eyes on me. It is not easy that’s for sure.

  8. This article was soooo timely and helpful.
    Vet bill with 2 X-rays ( initial, check to see if mass had moved) ivs, surgery $1800.
    This is not the first time he has nearly died. He was kenneled for a week, tech came in to check him he was midway between chocking and dead. Vomited up the fuzzy stuffing in toy.
    My fav STEELERS hat, hubbys socks, slippers, and a beautiful scrapbook my daughter( just the binding) made, are a few of
    the victims. This time it was a small black bouncy ball our grand children were playing with and couldn’t find to take home 2 months ago. Along with crazy bands, lots of hair(mine)
    And what probably was the grass he ate for his upset stomach.
    I can only hope we stick to these suggestions and keep him alive.

  9. What do you do if the dog can’t hear anymore? She used to stop when I said, “Leave it,” but now, nothing.

  10. What would you recommend for a 2 year old aussie who doesn’t “scavenge” at home but in an obedience class setting where treats get spilled on the floor by other handlers will not stay focused but keeps scavenging the spilled treats on the floor.

  11. Im in the same situation, when i take my 1 yr old dog chewy outside to have his walk,he eats things off the ground. When i say leave it he dont, he keeps on going for it. Can you help me please.

  12. My 14 month old cavelier has been to vets to make him sick as he eats anything off the ground paper tissues are his favourite have done everything to stop him nothing works , so tommorow I am going to buy him a muzzle and keep it on him in the daytime

  13. I have the same problem my German shepherd puppy is like a hound nose permanently at ground. She is 5 months old and knows the drop word and come but chooses to no listen. Eats anything and everything . So it was good reading others have same problem.

  14. Hello. This article was very helpful and consistency is the key. But my dog eats plastic bag laying on the road while walking and he does it very fast, sometime even before I have noticed it. Do you think the same technique will be applicable?

  15. Just took one of our dogs for walk, he sees a piece of bread in the on the floor then picks it up there was still a it left on the floor so I thought he didn’t eat it and hen find that he’s chewing on a bit I took it out of his mouth before he could swallow and carried on our walk x

  16. Nice article. So once this behavior has been trained it will stick? Or do you need to retrain all the time? I have a Germain pointer and she manages to walk 10km with the nose pegged to the ground, hardly looking up for more than a second. Very boring really and also kind of exhausting because I need to watch her all the time as she will gobble up any item that fits down the tube. She has no interest in playing with a ball or frisbee or anything just sniffing non-stop. I am starting to think I made a mistake in getting this breed. Can this behavior be changed? Otherwise I was considering to give her away … she is only 5 months so should have no problem adjusting to a new home.

  17. We have had Siberian Huskies (over 7 of them) for the past 30 years, all of them except our very first (a pup) were rescue dogs. Our most recent girl is now 12 years old (with us for 9 of them!) and since we’re retired, she gets three very good walks a day, rain or shine. Unfortunately, she had a very bad habit of picking things up off the ground at our local park and gobbling them; most are small pieces of discarded paper (tissues, pages, leaflets, napkins, etc.) that she sniffs out and quickly wolfs down before we can stop her. We’ve tried training her to ‘LEAVE IT’ (AKA: The ‘DROP IT’ command), which is sometimes successful, but most of the time she can spot and wolf down a scrap (paper or food) before we can respond quickly enough to stop her. Since it’s a public park, a great many ‘idiots’ toss their half-eaten food scraps on the grass, where she’ll find them every time, no matter how small! This drives me CRAZY and I can’t seem to figure out how to correct this completely unacceptable behavior! [We have a house full of books, as omnivorous readers, and she occasionally will also eat paper materials and dust-jackets, so she seems to have a particular fondness of small paper items. We’ve tried to prevent her from gaining access to the books, but when we’re not looking, she’ll bag (paper) items right off the kitchen table…like advertising circulars, etc.]

    She has a strong ‘Alpha’ drive and I (the human ‘master’) am unfortunately a ‘Beta’ personality! HELP!

  18. My dog does know leave it, however he sometimes finds things while on walks at the park and when I say leave it, and if he really wants it, he will eat it as quickly as possible and run from me if I try to take it from him even to escape from his harness. Items are probably small dead animals or parts, or sometimes poop (not his).

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