This FDA page has the majority of the answers to your questions. The Jerky Pet Treats Fact Sheet (PDF) is an FDA-hosted resource for pet owners. I will summarize the major points below, but if you are concerned, you need to visit the FDA site.
Regarding the news alerts
The primary FDA Jerky Treats page updates with alerts. This has been going on since ...
Because they trained their dogs much more than the average dog owner.
The usual dog owner:
Trains the basic commands (sit / no / come here) in a calm environment without distraction.
Stops most or all of the training once the dog is juvenile or adult.
Has little to no control over the dog when it's distracted or too far away.
The professional dog owner (...
For the US market,the FDA website lists recalls. They do not appear to have an RSS feed, but the recalls are date-ordered, so if you get in the habit of checking it periodically, you can still spot what's new. Even if you're not in the US, this list should still be helpful if your pet food is sold in the US.
The Canadian Food Inspection Agency lists food ...
As a rescuer of a Great Pyrenees with behavioral issues that no doubt stem from his ruff past, I can say with true sincerity I feel your pain.
My wife and I rescue dogs, so we have had to rehabilitate dogs from various states and deal with issues that most owners would have just given up on their dogs. For this reason, we tried almost any ...
I have a dog that is not a Great Pyr but is of similar looks, size, working class, and stubbornness.
Many people have used e-collars effectively
The e-collar really has very little effectiveness for my dog. I once caught my dog running away with the collar on, and had to issue a surprising number of max-intensity shocks (which were only of minor ...
the recommendations above are really good. I'd add that you can also create a Google News Alert for a phrase like "[pet type] food recall" or "[pet food brand] food recall".
If you set the alert so that you receive an email as the news happens, you'll get the latest info asap and, if needed, change your pet's diet immediately.