S. Chamorro
Technical University of Madrid
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Publication
Featured researches published by S. Chamorro.
Journal of Animal Science | 2010
S. Chamorro; C. de Blas; G. Grant; Ignacio Badiola; D. Menoyo; Rosa Carabaño
The effect of dietary supplementation with 1% l-glutamine and a combination of 1% l-glutamine and 0.5% l-arginine on intestinal health was examined in weaned rabbits. A basal diet was formulated to meet nutrient recommendations. Another 2 diets were formulated by adding 1% (as-fed basis) Gln or a mixture of 1% (as-fed basis) Gln + 0.5% (as-fed basis) Arg (Gln-Arg) to the basal diet. In Exp. 1, a total of 357 rabbits were blocked by litter and assigned at random to the experimental diet to determine mortality (119 per diet) and growth performance (35 per diet; from weaning at 25 to 56 d of age). Rabbits were fed the experimental diets for a 2-wk period and thereafter received a commercial diet. Rabbits weaned at 25 d (blocked by litter and assigned at random to diets) were slaughtered at 35 d and used to determine apparent ileal digestibility of DM, CP, and AA (Exp. 2, a total of 60 rabbits), intestinal morphology, N-aminopeptidase and myeloperoxidase intestinal activity, the expression of PPARgamma at the ileum and kidney, serum immunoglobulin in healthy and sick rabbits (Exp. 3, a total of 24 rabbits), and ileal and cecal microbial composition by PCR-RFLP (Exp. 4, a total of 45 rabbits). Dietary treatment did not affect ADG, ADFI, or G:F, during the entire fattening period. Supplementation with Gln reduced mortality during the first 2 wk and the whole fattening period from 18.5 to 8.4% (P = 0.023) and from 31.9 to 20.2% (P = 0.039), respectively, whereas no effect was detected for Arg supplementation. Among all the variables studied, the reduction on mortality due to Gln was related to a reduced intestinal colonization (Eimeria lesions) and changes on microbial ecosystem in the ileum and cecum, reducing the frequency of detection of Clostridium spp. (from 86.7 to 33.3%, P = 0.003) at the ileum, and Helicobacter spp. at the ileum (from 86.7 to 46.7%, P = 0.003) and at the cecum (from 86.7 to 46.7, P = 0.028), whereas no effect was detected for Arg supplementation. In conclusion, 1% l-Gln supplementation to postweaned rabbit diets decreased fattening mortality and modified the intestinal microbiota (although no consistent effects were observed on mucosal histology or inflammatory and systemic immune response). Diets containing a combination of 1% Gln and 0.5% Arg were of little additional benefit.
Journal of Animal Science | 2007
M. S. Gómez-Conde; Javier García; S. Chamorro; P. Eiras; Pilar García Rebollar; A. Pérez de Rozas; Ignacio Badiola; C. de Blas; Rosa Carabaño
Animal | 2007
S. Chamorro; M.S. Gómez-Conde; A. M. Pérez de Rozas; Ignacio Badiola; Rosa Carabaño; J. C. De Blas
World Rabbit Science | 2010
Rosa Carabaño; M. J. Villamide; Javier García; N. Nicodemus; A. Llorente; S. Chamorro; D. Menoyo; P. García-Rebollar; A. I. García-Ruiz; J. C. de Blas
Spanish Journal of Agricultural Research | 2008
Rosa Carabaño; Ignacio Badiola; S. Chamorro; Javier García; A. I. García-Ruiz; P. García-Rebollar; M.S. Gómez-Conde; I Gutiérrez; N. Nicodemus; M. J. Villamide; J. C. de Blas
Spanish Journal of Agricultural Research | 2006
A.I. García-Ruiz; J. García-Palomares; P. García-Rebollar; S. Chamorro; Rosa Carabaño; C. de Blas
Animal Feed Science and Technology | 2012
J. C. de Blas; S. Chamorro; J. García-Alonso; P. García-Rebollar; A. I. García-Ruiz; M.S. Gómez-Conde; D. Menoyo; N. Nicodemus; Carlos Romero; Rosa Carabaño
Proceedings of the 9th World Rabbit Congress, Verona, Italy, 10-13 June 2008 | 2008
Rosa Carabaño; M. J. Villamide; J. García; N. Nicodemus; A. Llorente; S. Chamorro; D. Menoyo; P. García-Rebollar; A. I. García-Ruiz; J. C. de Blas; G. Xicato; A. Trocino; S. D. Lukefahr
World Rabbit Science | 2010
S. Garrido; N. Nicodemus; Javier García; S. Chamorro; J. C. de Blas
World Rabbit Science | 2010
M.S. Gómez-Conde; D. Menoyo; S. Chamorro; C. J. López-Bote; P. García-Rebollar; J. C. de Blas