Fencing
Keeping animals in and keeping predators out are two different jobs, and one fence rarely does both well. These guides cover mesh, burial depth, electric netting, energizer sizing and grounding.
3 guides in this topic

Electric Fence Energizer Sizing and Grounding
One maker rates half a mile per joule. Another rates six. Why the box rating cannot size your fence, the grounding rule that does not vary, and how to test it.
Read the guideElectric Poultry Netting
Netting keeps birds in and discourages ground predators. It is not a predator-proof barrier. Joules, the strands trap, the 3-feet-per-joule grounding rule, and vegetation load.
Read the guideHardware Cloth for a Chicken Coop
Chicken wire keeps chickens in. Hardware cloth keeps predators out. Mesh size, gauge, how deep to bury it, and why no coop is predator-proof.
Read the guide