The basics of feathers. (A) A rooster with plumages. Notice the
Download scientific diagram | The basics of feathers. (A) A rooster with plumages. Notice the different feather tracts on different parts of the body. Ca, caudal tract; Ce, cervical tract; Fe, femoral tract; Hu, humerus tract; Sc, scale region; Sp, spinal tract. (B) Major types of feathers: radially symmetric downy feather, bilaterally symmetric contour feather, and bilaterally asymmetric flight feather (remiges). Schematic diagrams to show (C) the three basic levels of feather branches, and (D) the major zones of cellular activities of a sectioned developing feather follicle. (A) is from Green-Armytage, (2000). (B) is from Lucas and Stettenheim, (1972). from publication: The biology of feather follicles | The feather is a complex epidermal organ with hierarchical branches and represents a multi-layered topological transformation of keratinocyte sheets. Feathers are made in feather follicles. The basics of feather morphogenesis were previously described (Lucas and Stettenheim, | Feathers, Dermis and Biological Pigments | ResearchGate, the professional network for scientists.
Molting in Chickens - SoCal Nestbox
How to Help Your Chickens Grow Back Beautiful Feathers – Garden Betty
How to Identify a Rooster vs Hen
Zhicao YUE, Shenzhen University
Da-Yu WU, Program Director, Doctor of Philosophy, National Institutes of Health, MD, NIH, National Institute on Drug Abuse (NIDA)
Common Backyard Chicken Behaviors - Alabama Cooperative Extension System
Da-Yu WU, Program Director, Doctor of Philosophy, National Institutes of Health, MD, NIH, National Institute on Drug Abuse (NIDA)
Pam's Backyard Chickens: Feathers 101 - Why Does a Chicken Lose Feathers and More.
Making Sense Of The Molting Process In Chickens - Hobby Farms
What the Cluck? How a Hen Turned Into a Rooster
Poultry Plumage: How it Begins Black and Red Pigment
Molting Chickens? Here's How to Help
