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Title: Probiotics and antibiotics as additives for sows and piglets during nursery phase
Other Titles: Probióticos e antibióticos como aditivos para matrizes e leitões na fase de creche
Keywords: Diarrhea
Early stage
Fase inicial
Issue Date: Nov-2010
Publisher: Sociedade Brasileira de Zootecnia (SBZ)
Citation: SILVA, M. L. F. et al. Probiotics and antibiotics as additives for sows and piglets during nursery phase. Revista Brasileira de Zootecnia, Viçosa, MG, v. 39, n. 11, p. 2453-2459, Nov. 2010. DOI: 10.1590/S1516-35982010001100019.
Abstract: The purpose of this study was to evaluate the effects of the use of probiotics in diets for sows and piglets on performance and morphophysiologic parameters and the incidence of diarrhea in piglets during 28 days after weaning. A total of 120 pigs weaned at 21 days of age from 24 litters whose sows (primiparous) received probiotics or antibiotics from the 94th day of gestation until weaning. It was used a complete randomized design in a 2 × 3 factorial (probiotics or antibiotics for sows and three diets for piglets - antibiotics, probiotics or probiotic-antibiotic combination) with four replicates of five animals to evaluate the performance and incidence of diarrhea. At 28 days of experiment, two animals from each plot were sacrificed for histological parameter measurement of the pH of the stomach, jejunum and cecum. The association antibiotics+ probiotics in the diet of pigs resulted in greater weight gain and feed intake in animals born from of sows which received probiotics during the gestation and lactation phases. When females received antibiotics, the piglets receiving only probiotics showed higher consumption, but there were no differences for feed conversion. The use of antibiotics + probiotics in diets for piglets reduced the pH of the cecum and, when associated with the use of probiotics for sows, villous:crypt ratio in the jejunum increased. The use of growth promoters did not affect stomach pH neither the incidence of diarrhea. Supply of probiotics in the diet of sows during the gestation and lactation phases associated to the use in the diet of piglets after weaning is effective in maintaining animal performance, to histophysiological conditions in the gastrointestinal tract and control of diarrhea during the nursery phase.
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