Research Article

Three-Dimensional Structure and Disposition of the Air Conducting and Gas Exchange Conduits of the Avian Lung: The Domestic Duck (Cairina moschata)

Table 3

Comparison of the numbers of secondary bronchi in the chicken lung with those of the duck lung. For the duck lung, averages for both the left and right lungs have been calculated from Table 2.

Category Chicken*Duck
Range MeanRange Mean

MVNA4NA4
LD6–10 6–10
LV1–3 2–4
PO20–60 38–44

Means and ranges calculated from both the left and right lungs from data in Makanya and Djonov [4].