Genetically determined feather abnormality: the shaft coils in a spiral; the barbules and hooklets are poorly developed or absent, so the vane holds together poorly; in some poultry breeds (e.g., the frizzled goose) this is a breed trait.
Frizzling, curliness
Definition
Related terms
Faeces, feces, excrements, droppings
Expelled material from the digestive tract; part of the excreta originating from...
Fat from rendering plant
Fat produced from materials processed in veterinary rendering plants.
Father line, male line
Male individuals from breeding flocks used in the parent flock for final crossin...
Fattening of poultry, poultry fattening
Practices aimed at achieving optimal slaughter weight and product quality in the...
Fattening performance
Ability to convert feed nutrients into live weight gain.
Fatty dystrophy of liver
Pathological fat accumulation in the liver accompanied by impaired hepatic funct...
