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V. Ferraz-de-Paula

Researcher at University of São Paulo

Publications -  25
Citations -  1458

V. Ferraz-de-Paula is an academic researcher from University of São Paulo. The author has contributed to research in topics: Lung injury & Salmonella enteritidis. The author has an hindex of 15, co-authored 25 publications receiving 1219 citations. Previous affiliations of V. Ferraz-de-Paula include Spanish National Research Council.

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Heat stress impairs performance parameters, induces intestinal injury, and decreases macrophage activity in broiler chickens

TL;DR: The stress-induced hypothalamic-pituitary-adrenal axis activation was taken as responsible for the negative effects observed on the chickens' performance and immune function and also the changes of the intestinal mucosa.
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Acute heat stress impairs performance parameters and induces mild intestinal enteritis in broiler chickens: role of acute hypothalamic-pituitary-adrenal axis activation

TL;DR: The stress-induced hypothalamic-pituitary-adrenal axis activation was responsible for the negative effects observed on chicken performance and immune function as well as for the changes in the intestinal mucosa.
Journal ArticleDOI

Heat stress impairs performance and induces intestinal inflammation in broiler chickens infected with Salmonella Enteritidis

TL;DR: The combination of HS and Salmonella Enteritidis infection may disrupt the intestinal barrier, which would allow pathogenic bacteria to migrate through the intestinal mucosa to the spleen and generate an inflammatory infiltrate in the gut, decreasing performance parameters.
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Overcrowding stress decreases macrophage activity and increases Salmonella Enteritidis invasion in broiler chickens

TL;DR: The results of this study indicate that overcrowding stress decreased performance parameters, induced enteritis and decreased macrophage activity and the relative bursa weight in broiler chickens, strengthening the hypothesis that control of the welfare of chickens and avoidance of stress from overcrowding in poultry production are relevant factors for the maintenance of intestinal integrity, performance and decreased susceptibility to Salmonella infection.