Probiotics association in the suckling and nursery in piglets challenged with Salmonella typhimurium

This work aimed to study the probiotics association in 144 piglets from birth to 62 days old. In lactation, the design was completely randomized with two treatments, CTL, 1 mL of distilled water and ProbA, 5g in 15 ml of distilled water, both orally, and in the nursery in randomized block design, with 2x3 factorial arrangement of treatments, ProbA ProbB: 30g/ton of ProbB in the ration; CTL ProbB: 30g/ton of ProbB in the ration; ProbA ProbA, CTL CTL; ProbA CHA (challenged); CTL CHA. At 35 days of age the animal of the nursery were inoculated with Salmonella typhimurium orally. There was no effect of the parameters evaluated during the maternity. In nursery, the feed conversion was favorable to the ProbA. In the evaluation of fecal score, the challenged group had more diarrhea and increased elimination of S. typhimurium. Results showed the positive action of probiotics when applied at birth by the direct influence on the formation of the intestinal microbiota.

Efeito de probiótico no desenvolvimento de leitões desafiados com Escherichia coli / Effect of probiotic on the development of piglets challenged with Escherichia coli

Foram utilizados 72 animais aos 21 dias de idade para averiguar o efeito do probiótico no desempenho de leitões desafiados com E. coli. O delineamento foi em blocos casualizados, com arranjo fatorial 2x2. Os quatro tratamentos foram: probiótico com desafio; probiótico sem desafio; sem probiótico com desafio; sem probiótico e sem desafio. O probiótico Protexin™ foi administrado via ração, dos 21 aos 63 dias de idade e aos 35 dias, os animais dos tratamentos 1 e 3 foram desafiados. As variáveis analisadas foram: peso médio aos 35, 49 e 63 dias de idade; ganho diário de peso dos 35 aos 49 dias; dos 49 aos 63 dias; dos 35 aos 63 dias e escore fecal. As variáveis ganho diário de peso, peso médio e escore fecal foram submetidos à análise de variância pelo PROC GLM. Em relação ao peso e ganho de peso verificou-se ação benéfica do probiótico quando se associaram estas características com a ocorrência de diarréia pós-desafio e a redução da E. coli. Concluiu-se que o probiótico no modelo experimental aplicado apresentou efeito notório nas reduções de E. coli e da diarréia, podendo exercer influência no desempenho dos leitões.

We used 72 piglets at 21 days old and the aim was to determine the effect of probiotics on performance of piglets challenged with E. coli. The design was a randomized block design with 2x2 factorial arrangement. The four treatments were: with probiotic and challenge, with probiotic without challenge, without probiotic with challenge, without probiotic and challenge. The probiotic was administered via Protexin ™ diet, from 21 to 63 days old and 35 days, the animals in treatments 1 and 3 were challenged. The variables were: average weight at 35, 49 and 63 days old, daily weight gain from 35 to 49 days, 49 to 63 days, from 35 to 63 days and fecal score. The variables average weight, daily weight gain and diarrhea score were subjected to analysis of variance by PROC GLM. In terms of weight and weight gain was found beneficial effect of probiotic when these characteristics were associated with the occurrence of diarrhea post-challenge and the reduction of E. coli. It was concluded that the probiotic used in the experimental model showed clear effect on the reductions of E. coli and diarrhea, are relatively influenced in the performance of piglets.

Avaliação de complexo polivitamínico, polimineral, com aminoácidos,para leitões lactentes e recém desmamados: efeitos no desempenho,taxa de sobrevivência e índice de diarréia / An evaluation of a polivitaminic, polimineral complex associated withessential amino acids to weaning and to weaned piglets: effects on the performance, diarrhea incidence and mortality rate

Foram realizados dois experimentos em uma granja comercial, nas fases de maternidade e creche, com oobjetivo de avaliar os efeitos da administração de um complexo polivitamínico-polimineral com aminoácidosessenciais (Mod Plus®) sobre o ganho de peso, a incidência de diarréia e a taxa de mortalidade dosleitões nestas fases. Na maternidade foram utilizados 324 leitões (entre 3 e 21 dias de idade) e na creche295 animais (entre 21 e 63 dias de idade). Na maternidade foram definidos 4 tratamentos: leitões leves quenão receberam suplementação nutricional polivitamínica-polimineral, leitões leves suplementadosnutricionalmente (3mL ao 3º dia e reforço aos 10 dias de idade, via intramuscular), leitões pesados nãosuplementados e pesados suplementados nutricionalmente. Na creche os tratamentos foram: leitõesleves que não receberam suplementação nutricional com polivitamínicos-poliminerais, leitões levessuplementados nutricionalmente com 1 dose (5mL aos 21 dias de idade, via intramuscular), leitões levessuplementados nutricionalmente com 2 doses (3mL aos 21 dias e aos 28 dias de idade, via intramuscular)...

The experiments were conducted on maternity and nursery phases in a commercial farm. The objective ofthe experiments was to evaluate the effects of administration of polivitaminic, polimineral complexassociated with essential aminoacids (Mod Plus®) on piglets weight gain, diarrhea incidence and mortalityrate. 324 piglets with 3 to 21 days of age were used on the maternity phase and 295 weaned piglets of 21to 63 days of age were used on the nursery phase. The animals were weighed at the beginning of thematernity phase and submitted to a 4 treatments: light piglets without polivitaminic and polimineralsupplementation, light piglets supplemented with polivitaminic and polimineral complex (3.0 mL IM at 3days of age followed by a 2nd dose at 21 days of age), heavy piglets without polivitaminic and polimineralsupplementation, and heavy piglets supplemented with polivitaminic and polimineral complex. Sixtreatments were defined on the nursery phase as follow: light piglets without polivitaminic and polimineralsupplementation, light piglets supplemented with one dose of polivitaminic and polimineral complex (5.0mL IM at 21 days of age), light piglets supplemented with two dosis of polivitaminic and polimineralcomplex (3.0 mL at 21 days of age followed by a 2nd dose, 3 mL IM, at 28 days of age), heavy piglets...