I have this picture taken in a BH located somewhere in Muar, Johor.
If you are new in swiftlet farming you will not be able to see at least three mistakes that most BH owners does.
All in all they do not take any trouble to understand or learn about their tenants.
If you ask them why they allow these mistakes to occur, they will surely blame their "Consultants".
Their answer is very simple.
I don't know anything about swiftlet farming so I engage these "Consultants" and they should avoid these errors.
There again they will never take the blame on themselves but blame others.
Let me tell you what are those three errors seen inside the photo: