2007
DOI: 10.1590/s1516-635x2007000300006
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Abstract: This study aimed at evaluating the effect of the use of different growth promoters on the morphometry and ultra-structure of the intestinal mucosa of 42-day-old broilers. A total number of 36 male Cobb broilers was distributed in a randomized experimental design with a 3 x 3 factorial arrangement, with 3 prebiotic and 3 probiotic sources in the feed, summing up 9 treatments, with 4 replicates each. There was a significant interaction (P<0.01) among the studied factor for villi height (VH) in all intestinal seg… Show more

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Cited by 14 publications
(5 citation statements)
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“…Our results show that PB addition increased the intestinal mucosa and villi height and decreased the depth of the crypts compared to the other groups. Other authors reported similar results ( Pelicano et al., 2005 ; Pelicano et al., 2007 ; Aliakbarpour et al., 2012 ; Chávez et al., 2016 ; Jayaraman et al., 2017 ; Jacquier et al., 2019 ). Furthermore, longer villi with shallow crypts increase the nutrient absorption surface and indicate a sufficiently mature and functionally active epithelium ( Chavez et al, 2016 ).…”
Section: Discussionsupporting
confidence: 65%
“…Our results show that PB addition increased the intestinal mucosa and villi height and decreased the depth of the crypts compared to the other groups. Other authors reported similar results ( Pelicano et al., 2005 ; Pelicano et al., 2007 ; Aliakbarpour et al., 2012 ; Chávez et al., 2016 ; Jayaraman et al., 2017 ; Jacquier et al., 2019 ). Furthermore, longer villi with shallow crypts increase the nutrient absorption surface and indicate a sufficiently mature and functionally active epithelium ( Chavez et al, 2016 ).…”
Section: Discussionsupporting
confidence: 65%
“…In the present work, from 0 to 3 days pi, SE and SH groups had low villus height:crypt depth ratios when compared to the control group, possibly because of SE and SH damage caused to the Salmonella Heidelberg and Salmonella Enteritidis following broiler chick inoculation intestinal mucosa. Reductions in the villi height:crypt depth ratios can occur due to intestinal pathogen infection and are seen under other certain conditions in poultry, including after feed withdrawal (25) and in response to some feed additives that are used during growout (12,8,21). These changes have been attributed to reduced cell migration and proliferation rates, along with increased rates of cell loss and programmed cell death (7).…”
Section: Salmonella Enteritidis and Salmonella Heidelbergmentioning
confidence: 99%
“…There are many studies published in literature on the use of these alternative feed additives (Pelicano et al, 2007;Panda et al, 2009); however, performance and intestinal morphology results in broilers are still contradictory. Moreover, there are few studies in literature on the effect of these additives on intestinal ultrastructure.…”
Section: Introductionmentioning
confidence: 99%