The most effective predator barriers that I know are made of chain mesh fencing. The material is seriously difficult and provides protection against common enemies. The benefits of fencing "cyclone", there are many. The disadvantages are few.
That's why I use chain link fencing:
Self Pest Control
It can not be bitten, as welded wire. Even domestic dogs bite from welded wire fences. For the strongest and most determined predator, may be this type of fencing, a show-stopper. ScrapYard and fencing companies usually sell some at bargain prices. This type of fencing for a lifetime. It is available in heights from 4 feet to 8 feet. If you lay on the floor, a digging-repellent.
The disadvantages of fencing can be connected as such:
E 'heavy and cumbersome to manage for one person. The change can be made (not in order or operated by predators), shears and power tools, metal cutting required.
If youthink fencing "cyclone" may undermine the predators in your garden, then in the company of a local call fencing. Often they can continue to sell scrap metal fencing. Get the 9 gauge fencing instead of the quality of life size 11. The heaviest fencing is more difficult to process, but it's up to a predator is likely to meet.
Make your zoo predator proof. Use chains instead of chicken fencing net for chickens, because mesh is onlyChicken - not always places prey animals.
Animal Fencing - chain link fencing is the best barrier Predator