Artículo
Probiotic effect on calves infected with Salmonella Dublin: Haematological parameters and serum biochemical profile
Soto, Lorena Paola
; Astesana, Diego Martín
; Zbrun, María Virginia
; Blajman, Jesica
; Salvetti, Natalia Raquel
; Berisvil, Ayelén Patricia
; Rosmini, Marcelo Raul; Signorini Porchietto, Marcelo Lisandro
; Frizzo, Laureano Sebastian
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Fecha de publicación:
02/2016
Editorial:
Wageningen Academic Publishers
Revista:
Beneficial Microbes
ISSN:
1876-2883
e-ISSN:
1876-2891
Idioma:
Inglés
Tipo de recurso:
Artículo publicado
Clasificación temática:
Resumen
The aim of this study was to evaluate the effect of a probiotic/lactose inoculum on haematological and immunological parameters and renal and hepatic biochemical profiles before and during a Salmonella Dublin DSPV 595T challenge in young calves. Twenty eight calves, divided into a control and probiotic group were used. The probiotic group was supplemented with 100 g lactose/calf/d and 1010 cfu/calf/d of each strain of a probiotic inoculum composed of Lactobacillus casei DSPV318T, Lactobacillus salivarius DSPV315T and Pediococcus acidilactici DSPV006T throughout the experiment. The pathogen was administered on day 11 of the experiment, at an oral dose of 109 cfu/animal (LD50). Aspartate aminotransferase (AST), gamma glutamyl transpeptidase (GGT), urea, red blood cells, haemoglobin, haematocrit, mean cell haemoglobin (MCH), mean corpuscular volume, mean corpuscular haemoglobin concentration (MCHC), white blood cells, lymphocytes, neutrophils, band neutrophils, monocytes, eosinophils, basophils and the neutrophils/lymphocytes ratio were measured on days 1, 10, 20 and 27 of the experiment. In addition, animals were necropsied to evaluate immunoglobulin A (IgA) production in the jejunal mucosa. The most significant differences caused by the administration of the inoculum/lactose were found during the acute phase of Salmonella challenge (9 days after challenge), when a difference between groups in neutrophils/lymphocytes ratio were detected. These results suggest that the probiotic/lactose inoculum administration increases the calf's ability to respond to the disease increasing the systemic immune response specific. No differences were found in haemoglobin, haematocrit, MCH, MCHC, AST, urea, GGT, band neutrophils, eosinophils, monocytes and IgA in the jejunum between the two groups of calves under the experimental conditions of this study. Further studies must be conducted to evaluate different probiotic/pathogens doses and different sampling times, to achieve a greater understanding of the effects of this inoculum on intestinal infections in young calves and of its mechanism of action.
Palabras clave:
PROBIOTIC
,
LACTIC ACID BACTERIA,
,
IMMUNE SYSTEM
,
SALMONELLA SPP.
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Identificadores
Colecciones
Articulos(ICIVET-LITORAL)
Articulos de INST. DE CIENCIAS VETERINARIAS DEL LITORAL
Articulos de INST. DE CIENCIAS VETERINARIAS DEL LITORAL
Citación
Soto, Lorena Paola; Astesana, Diego Martín; Zbrun, María Virginia; Blajman, Jesica; Salvetti, Natalia Raquel; et al.; Probiotic effect on calves infected with Salmonella Dublin: Haematological parameters and serum biochemical profile; Wageningen Academic Publishers; Beneficial Microbes; 7; 1; 2-2016; 23-33
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