Uso de probiótico em dietas de suínos: Incidência de diarréia, desempenho zootécnico e digestibilidade de rações
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Data
2006-12-01
Autores
Huaynate, Rizal Alcides Robles [UNESP]
Thomaz, Maria Cristina [UNESP]
Kronka, Rodolfo Nascimento [UNESP]
Fraga, Alessandro Luís [UNESP]
Scandolera, Antônio João [UNESP]
Budiño, Fábio Enrique Lemos [UNESP]
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Resumo
Two trials were conducted aiming to of evaluate the effect of probiotic supplementation in pig's diet: Trial 1: diarrhea incidence and performance; Trial 2: feed intake and digestibility. In the Trial 1, forty weaning barrow piglets were distributed in four treatments: T0-basal diet; T100-basal diet +100ppm of probiotic; T200-basal diet +200ppm e T300-basal diet +300ppm. The trial 2 was a digestibility trial, where eight barrow pigs were used, distributed in two treatments: T1-basal diet and T2-basal diet + 200 ppm of same probiotic used in the Experiment 1. In the Period 1 the animals of T0 and T100 groups showed higher diarrhea incidence (P<0.05) than the T200 and T300 groups. The performance of animals of T100 group were lower than other treatment groups (P<0.05). In the Period 2 the T200 and T300 animals, showed better FG ratio than the animals of T0 (P<0.05). In the total period it was not observed significative difference concerning performance, except for DFI. In the trial 2, the animals of treatment T2, showed an increase of feed intake when compared with animals of T1. Digestibility coefficients showed no significative differences among treatments. It was concluded that the addition of 200 and 300 ppm of probiotic in the Period 1 reduces incidences of diarrhea. But, in the total period of trial 1, the performance was similar among treatments. In the trial 2 it was observed better adaptation of animals receiving probiotics which was represented by higher feed intake.
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Palavras-chave
Bacillus, Diarrhea, Digestibility of nutrients, Lactobacillus, Pig, Animalia, Suidae
Como citar
Brazilian Journal of Veterinary Research and Animal Science, v. 43, n. 5, p. 664-673, 2006.