000 00289 am a2200121 a 4500
100 1 _a
_d
245 1 _aEffect of male birds on market eggs
260 _aOttawa
300 _a2 p.
942 _2udc
_cB
440 _aEggs Canada Department of Agriculture. Circular No. 60
901 _aS46488
999 _c102088
_d102088