They might have lice, be itchy due to dirt or be trying to get rid of their winter coat.
they can carry lice just like we can
they usually got rid of lice by shaving their heads
They could if they were cohabitating but they would not stay on the dog very long as goat lice prefer goats.
To get rid of lice use lice shampoo or there is a place called 'Hair Fairies' and they will get rid of your lice and have products that will too.Also, you can buy LiceMD from any store that sells medicines.
Same way as you get rid of lice in white peoples hair.
No as it is not registered for use in goats - if your goats have lice it is recommended that you spray them with a product that is registered for that purpose in goats eg Nucidol
No
Get rid of it.
You can use the shampoos for head lice even when you are pregnant.
Yes you can... the lice then have no where to hide and eventually fall out.
Throw the infected person in a drier for 45-60 minutes on high heat, that should get rid of the Lice