Floor space requirement in layer for layer is _________________________?
A. 0.75 ft2 /bird
B. 1.5 ft2 /bird
C. 1.25 ft2 /bird
D. 1 ft2 /bird
A. 0.75 ft2 /bird
B. 1.5 ft2 /bird
C. 1.25 ft2 /bird
D. 1 ft2 /bird