Make sure that the dropping tray does not overfill. The droppings can be put straight onto vegetables growing in the garden, but flowers will find it too strong. Add the droppings to your compost bin and it will speed up the process and produce an excellent compost.
Move the house to a new area of grass. This will prevent one area of your lawn being over-used and any disease from building up in the area.
Try to check that your birds are well every week or so by picking them up and checking for all the signs of a healthy chicken as outlined in the Chicken Health section.
Make sure that the straw, hay or shavings in the nesting box are clean and fresh.