000 00420nam a2200145Ia 4500
003 OSt
082 _a636.508 31 G72I
100 _aAllcroft, W. M.
245 _aIncubation and hatchery practice
260 _aLondon
_c1952
_bMinistry of Agriculture,Fisheries and Food,Great Britain.
300 _a62p.
440 _aMinistry of Agriculture and Fisheries bulletin No.148
650 _aHatchery management
942 _2ddc
_cC
999 _c1218
_d1218