000
00274 am a2200121 a 4500
100
1
_a
_d
245
1
_a
Johne's disease
260
_a
Madison
_c
1953
300
_a
1-2 p.
942
_2
udc
_c
B
440
_a
Wisconsin College of Agriculture. Circular No. 451
901
_a
S50578
999
_c
107710
_d
107710