1 Verbs to Use for the Word aviary

I myself think the best manure is that from aviaries in which thrushes and blackbirds are kept, because it is not only good for the land but serves as a fattening food for cattle and hogs: for which reason those who farm aviaries pay less rent when the owner stipulates that the manure is to be used on the farm, than those to whom it is a perquisite.

1 Verbs to Use for the Word  aviary