Redlegs in captivity are subject to several diseases. 

Figure 11 -- Tests for Newcastle were carried ‘out either with poultry 
eggs or with 10 day old chicks whenever redlegs, caught by the 
project, were suspected of ‘disease. 

Figure 12 -- All the redlegs collected by the project were injected 
with killed Newcastle vaccine as soon as they were brought in from 
the traps. 
25 
