bulbo-urethral gland [=Cowper’s gland]

dermal gland ducts dermal gland

antibody in yolk

anti-GPV yolk IgG

anti-SEA chicken egg yolk antibody

application of egg yolk antibody

Chicken egg yolk antibodies

chicken egg yolk immunoglobulin

Chicken egg-yolk antibodies

chicken egg-yolk antibody

chicken yolk antibodies additive

compound yolk emulsion

content of Zn in yolk

cream cracker with yolk

Digital chick embryo yolk sac membrane

double-yolk egg

dried egg yolk

dried hen egg yolk

dried yolk