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I have an invisible fence from the Canine Fence Co. and I recently rescued a dog and I want to train him on the invisible fence. The collar I have from a previous dog is not at a strong enough shocking signal. My new dog is about 20 lbs heavier and the collar [...]

Anyone have any experience with this device?
We have a Rottweiler that barks non-stop at a donkey that is in a pasture next to him. It’s past the point of annoying…It’s become an obsession and it’s ridiculous.
We provide him with plenty of exercise, toys and chews galore as well as having another Rott as a companion.
There [...]

This is the first thing you want to train your new puppy or rescue dog before using food or toys to train with. Basically you are teaching the dog a default leave it from the treats and your treat bag when working with food.

correctly? If I buy one large collar, could I take off links to make it smaller if necessary?
I’m planning on using it to help train my dogs to heel. If you have experience with using prong collars, please answers!
Here is the one I’m planning on buying:
http://www.petco.com/product/8062/Petmate-by-Aspen-Pet-Mighty-Link-Chain-Light-Weight-Training-Collars.aspx
I should have added, if you do not [...]