Dogs are carnivorous by nature, but may eat anything that is available to them. This makes them to scavenge the garbage in search of food or out of curiosity to check what’s in the garbage.

Once they found any left-over food, it will make them to get used to scavenging the garbage in search of food regularly.

This habit is annoying and disgusting as they will litter the whole compound with rubbish. This will encourage the dog to feed on rubbish such as disposed baby diapers that has feces since they are commonly attracted to baby’s feces.

They can get some disease causing organism through this scavenging habit if left unchecked.

Keeping Dog Away From garbage Can

Cover the garbage can with a lid.
Avoid giving your dog table scraps before or after your meal.
Place the garbage far away from your dog where he cannot get access to it.
Use a ten foot leash to train your dog by walking him around the garbage. Throw something he cannot resist into the trash. The moment he starts to show interest quickly step on the leash and say “nope” Rush up to the trash can and kick and scream at it without yelling or looking at your dog his back to whatever you are doing. Praise him if your dog ignores the temptation to pick up the thing.
Construct a pyramid of penny cans on top of the garbage can or next to it. Put 10 pennies each in 6 cans and arrange the cans with three on the bottom two in the middle and one on top. Tie a string to the middle can on the bottom row and hold the other end. When your dog shows interest, pull the sting and shout “No” at the can.
You can try the balloon stay away by blowing up a few balloons and thrust them one at a time when your dog is present with a pin. Don’t pay attention to your dog as he will be watching you. Next take the balloons to the edge of the garbage car and leave then for some weeks.
Soak a paper towel in bitter apple or tabasco sauce and leave it on top of the garbage on. This will deter the dog from the garbage can.
Set up a mirror so that you can keep your eye on the garbage can when you are not present. When you see your dog approaching it, step in and correct him.
Source :http://petsarena.com.ng/2017/04/keep-dog-away-garbage-can/