A lighting regimen determined by natural day length and intensity; used mainly in extensive systems.
Related terms
N 6.25, CP (crude protein)
Symbol for nitrogenous substances.
Naked necks, hackles fowl
A genetically determined feathering abnormality that is a breed trait of naked n...
Natural breeding (crossing)
Mode of reproduction using natural mating of males with females.
NE
Symbol for net energy.
Nests
Nest boxes used for egg laying in poultry houses; may be individual or group des...
Newcastle disease
Highly acute, contagious viral disease of gallinaceous birds worldwide, very sim...