00665nam a2200277Ia 4500 Z_77 CHAP 220113s1974 xx 000 0 und d 163045 CHAP Folleto 96 Ridgeon, R F 97351 Pig management scheme results for 1973 / by R. F. Ridgeon Cambridge : Universsity of Cambridge, 1974 32 p. Ganado porcino Aspectos económicos I. t. 137269 Folleto 96 A 1974 c14 c14 163045 163045 0 0 local 0 0 FOLL Z Z 3 2005-11-09 0 z_A0039 2022-01-18 00:00:00 1 2022-01-18 FOLL