Yes if they are cograzing they can both get worms from the pasture
Yes, they can.
Drenching with a product that is registered to kill worms in goats.
Probably...
The common intestinal parasites carried by horses are not transmissible to humans.
Yes goats do get colds just like humans and also if a goat gets diaria just give it pepto besmol.
Goats do get parasites (e.g ticks, worms etc.) but it's highly uncommon for goats to get fleas.
Many humans raise goats for their meat as well as their milk. So if you want to consider that humans predating on goats, then yes.
I would deworm, as in drench your goats when a worm test or a faecal egg count indicates that the goats have worms.
No. Your goats are most likely have worms, that is usually one of the first signs.
No. Humans have lungs but worms do not.
Yes, humans can get butt worms.
Not sure about that... I am sure the goats are toxic to the crepe myrtles if you give them the chance...
You can use a drench specially formulated for goats or sheep and goats. The drench has to get rid of the worms. It will usually say what type or if it does kill worms in goats. If a goat is left for too long with worms, it will, in a small chance, survive, but in a larger chance, die.