The percentage share calculated from the ratio of nitrogen retained in the organism for maintenance and growth to the amount of nitrogen digested; used to express the quality of feed proteins.
Biological value of proteins
Definition
Related terms
Bacteriostatic
A substance that slows or stops bacterial reproduction and at the same time redu...
Balut
Duck eggs containing embryos after 16–18 days of incubation and then boiled for ...
Barbs, rami
Elements of the feather vane arising on both sides of the rachis.
Barbules, radii
Parts of the feather vane growing on both sides of the barbs; anterior (hooked) ...
Barrel, quill of a feather
The unfeathered part of the shaft of a feather between the superior and inferior...
Basal metabolism
Metabolism under basal conditions: thermoneutral environment, post‑absorptive st...
