Table 3: The diameter of the tracheal parts in the Red Sokoto goat.

Length (mm)Animal number ( )Mean ± SEMCSA
123456789

CVR
 ID131613.516131513141314.05 ± 0.4176.6 ± 0.1
 OD15171518151815151616.0 ± 0.44*

ITR
 ID17151616.5161817161516.28 ± 0.28221.5 ± 0.2
 OD13171818.51818.518171817.39 ± 0.58

CVR: cervical region, ITR: intrathoracic region, ID: inner diameter, OD: outer diameter, n: sample size, and SEM: standard error of mean; CSA: cross-sectional area; *P < 0.05.