Date: 2014-07-08 14:50:13Agriculture Chicken Domesticated turkey Plymouth Rock Silkie Modern Game Bird Broiler Rhode Island Red Chicken breeds Poultry Galliformes | | 20 Uropygial gland—The oil or “preen” gland, the only skin gland in birds. A large gland opening on the back at the base of the tail feathers, secreting an oily fluid which the fowl applies to its feathers during pAdd to Reading ListSource URL: ir.library.oregonstate.eduDownload Document from Source Website File Size: 821,73 KBShare Document on Facebook
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