Great answer!Yes
Of course
No health issues, no parasites, lots of eggs and healthy chicks.
Great fertility rates, great hatching rates, no health issues, no parasites, lots of eggs and healthy chicks.
When the average age of your flock is 7-10 years without any health issues whatsoever (accidents excluded)and the hens still laying and hatching chicks.
Healthy and very spaceous living conditions (free ranging), healthy and natural diet.
No overcrowding and careful selection for social behaviour to avoid abuse and the resulting stress and health issues.