Production of indigenous and exotic pig breeds in developing countries and a review of present pig breeding programmes in Africa
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| Format: | Texto biblioteca |
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1971
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| Subjects: | AGA AGR, DEVELOPING COUNTRIES, BREEDS (ANIMALS), SWINE, INTRODUCED BREEDS, INDIGENOUS ORGANISMS, ANIMAL PRODUCTION, ANIMAL BREEDING, PERFORMANCE TESTING, CROSSBREEDING, BREEDING STOCK, PAYS EN DEVELOPPEMENT, RACE (ANIMAL), PORCIN, RACE INTRODUITE, ORGANISME INDIGENE, PRODUCTION ANIMALE, PAISES EN DESARROLLO, RAZAS (ANIMALES), CERDO, RAZAS NATURALIZADAS, ORGANISMOS INDIGENOS, PRODUCCION ANIMAL, AMELIORATION DES ANIMAUX, CONTROLE DE PERFORMANCE, CROISEMENT, ANIMAL REPRODUCTEUR, MEJORAMIENTO ANIMAL, PRUEBAS DE RENDIMIENTO, CRUZAMIENTO, ANIMAL REPRODUCTOR, |
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