I tried to use a goat to control Asian wisteria, but it made the goat sick. Black vomit, white goat. We also have china berry and camellia-- all of which make goats sick. So I sent little goat out to the country and haven't tried that method since. I have however read that if you are using goats to clean up problematical vegetation, you can insure their health by making sure that they have a good balance of goat nutrition to go along with their "clean-up" diet, i.e. plenty of high quality hay. I suppose the same precautions would go for pigs--great cleaner-uppers, but no animal (including human animal) should be forced to eat a bad diet.
Just got this in my e-mail:
"A human being will review it shortly and get back to you with any suggestions or solutions." ???? I wonder what kind of non-human animal sends e-mails?