dog wormer

Certain Collies (and some others) sometimes have a variation with a gene known as MDR-1 which leads to a defective mechanism by which drugs are moved out of organs including the brain. This defect leads to sustained high levels of drugs within brain tissues and consequent side effects. That's a basic explanation but all I'm capable of before coffee number 2.
 
I would also second everything said about frontline, disappointing reliability and also serious environmental concerns. Along with Imidocloprid (Advantage and others).
FrontPRO is an over the counter tablet which uses Afoxolaner which is in the same class as a lot of the prescription only options (in fact is largely a knock off of Nexgard which is prescription only, go figure!!) This has goof activity against fleas and ticks and potentiall less environmental impact, though still not zero.
 
Th
You probably won't see signs of worms in an adult fit dog. The old advice was worm every three months which was a compromise between the risk to humans from roundworm (Toxocara) and the wormer only lasting 24 hours so a few weeks later, the dog can be shedding eggs. But we know that the way the worm infections work, it is only the dogs/cats regularly eating prey (rodents and birds) that are significant hosts for Toxocara. So if they are eating venison, no problem, sheep ****, rabbits no problem, poultry can be, but I don't know about game birds.

It's a bit different if you have an entire bitch as the can shed eggs, especially if you are breeding.

So I suspect you don't need to worm. Certainly not for the heath of your dog. IF you have young children, then it's sensible to do it
This is great advice that I wish I knew sooner. I’ve been worming my dog regularly for years. I’d stop now but I now have young children…
 
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