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Revista de Investigaciones Veterinarias del Perú
versão impressa ISSN 1609-9117
Resumo
DELGADO F., Carlos et al. Efecto de la suplementación de un acidificante microencapsulado en la ración sobre el comportamiento productivo de gorrinos y marranas. Rev. investig. vet. Perú [online]. 2006, vol.17, n.2, pp.89-95. ISSN 1609-9117.
The objective of the present study was to determine the effect of supplementing acidifiers to weaned piglets and sows on productive and health parameters. In the first assay was used 360 weaned piglets from 21 till 42 days of age, randomly distributed into three treatments: a) control group without acidifier, b) supplemented with microencapsulated acidifier, and c) supplemented with powder acidifier. In the second assay, 27 sows were used from day 93 of gestation till end of lactation (21 days), randomly distributed into two treatments: a) control group without acidifier, and b) supplemented with microencapsulated acidifier. In the first assay, none statistical differences were found between treated groups on body weight gain from weaning till 42 days of age (175 g/day), feed intake (357 g/day per animal), feed conversion index (1.03), and diarrhea cases (19.7%). In the second assay, none statistical differences were found between treated groups on feed intake (4.6 kg/day), body weight loss in sows (15.0 kg), number of alive-born piglets per sow (14.5), body weight at birth (1.5 kg), body weight at weaning (5.1 kg), mortality (9.5%) and diarrhea cases (16.5%) in piglets, and on the interval between weaning and first postpartum oestrus (7.1 days).
Palavras-chave : acidifier; microencapsulation; pig; piglet; sow; weaning; nursing.