A laying hybrid bred on the basis of various breeds—Rhode Island Red, Barred Plymouth Rock, Sussex, etc.; lays eggs with brown shells of various shades.
Brown egg layer, brown commercial egg layer
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...
