JUL 3, 2026 · JOURNAL ARTICLE
A rapid yolk-sac serum extraction method for quantifying maternal IgY of individual birds.
Methodsx
A methodological paper describing development and validation of a laboratory extraction protocol in 10 birds, without clinical outcomes or comparative efficacy data to support practice change.
Reported
Mean total IgY in yolk sac serum18.73 g/mL ± 3.164 g/mL
Mean total IgY in blood serum2.45 g/mL ± 0.097 g/mL
p-value for yolk sac vs blood ser…0.0009