Feathered duplication of skin in waterfowl at the caudal part of the ventral body surface; may be single or double depending on breed (abdominal lobe/dewlap).
Parts of carcasses not used as food and processed in rendering plants.
Eggs with deformed shape or strongly deviating shape index values.
Defect of plumage in which feathers fail to grow on certain body areas, or the e...
The process by which animals adapt to a changed environment.
A value determined by titration of fat dissolved in an ethanol–diethyl ether mix...
The temperature measured on the surface of eggs using portable thermometers.