01281nam a2200325Ia 4500001000500000003000500005008004100010010001100051040000900062082001500071100002800086245010800114260004900222300001100271440000500282500006400287503000800351650004100359650009100400901001500491902000600506910000900512942000600521942000700527999001900534952009300553952009300646952010800739952010800847Z_58CHAP220113s1982    xx            000 0 und d  a163024  cCHAP  a636.4 E53y  aEnglish, Peter R936990  aLa cerda: cómo mejorar su productividad  /cpor Peter R. English, William J. Smith y Alastair MacLean  aMéxico, D. F.  :bEl manual moderno,c1982  a391 p.  a  aTrad. de: The sow: improving thed efficiency, 2 ed. de 1982  aC/E  aGanado porcinoxMejoramiento 945382  aGanado porcinoxProducción I. Smith, William J. II. McLean, Alastair III. t.9137246  a636.4 E53y  aA  a1982  c1  cc1  c163024d163024  00104070aZbZc1d2005-11-09f1pz_0560r2022-01-18 00:00:00t1w2022-01-18yLIBROz2  00104070aZbZc1d2005-11-09f1pz_0561r2022-01-18 00:00:00t2w2022-01-18yLIBROz3  00104070aZbZc1d2005-11-09f1l2pz_2689r2025-08-26 20:27:36s2025-08-26t4w2022-01-18yLIBROz3  00104070aZbZc1d2005-11-09f1l1pz_4502r2025-06-17 20:03:59s2025-06-17t3w2022-01-18yLIBROz3