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Atilio Sersun Calefi
University of São Paulo
44Publications
7H-index
107Citations
Publications 44
Newest
#1Emy Suelen Pereira (Universidade São Judas Tadeu)H-Index: 2
#2Walter Krause Neto (Universidade São Judas Tadeu)H-Index: 4
Last.Eliane Florencio Gama (Universidade São Judas Tadeu)H-Index: 5
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#1Atilio Sersun Calefi (USP: University of São Paulo)H-Index: 7
#2Catarina Augusta de Queiroz Nunes (USP: University of São Paulo)
Last.João Palermo-Neto (USP: University of São Paulo)H-Index: 29
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Abstract Heat stress has a relevant effect on animal health and productivity. Stress and environmental changes can contribute to disease development, such as avian necrotic enteritis (NE). The goal of this study was to analyze the effects of heat stress applied to broiler chickens in an experimental model of co-infection with Clostridium perfringens and Eimeria spp. Therefore, the current study was designed to analyze the effect of heat stress to broiler chickens in an experimental model of infe...
#1Atilio Sersun Calefi (USP: University of São Paulo)H-Index: 7
#2W.M. Quinteiro-Filho (USP: University of São Paulo)H-Index: 11
Last.Paulo César Maiorka (USP: University of São Paulo)H-Index: 10
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Abstract Information on the dynamics of the chicken immune system during bacterial or parasite challenge in the presence or absence of stressful situations may provide a better understanding of the complex mechanisms behind these diseases. Necrotic enteritis (NE) had been controlled previously by the proper use of antimicrobial agents; however, more recently, NE has reemerged in many countries. The imposed restrictions on antimicrobial use and/or the intensive productive programs implemented by ...
Heat stress has been related to the impairment of behavioral and immunological parameters in broiler chickens. However, the literature is not clear on the involvement of neuroimmune interactions in a heat stress situation associated with bacterial and parasitic infections. The present study evaluated the production of monoamines and their metabolites in brain regions (rostral pallium, hypothalamus, brain stem, and midbrain) in broiler chickens submitted to chronic heat stress and/or infection an...
Several studies have demonstrated an acute and chronic increase of brain-derived neurotrophic factor (BDNF) in relation to different types of physical exercise. Currently, many individuals seek physical training strategies that present different types of stimulation and volume / intensity. Thus, the extreme conditioning methodology has gained great notoriety in the scientific and non-scientific environment. Knowing that BDNF values increase in an effort-dependent manner, it is necessary to study...
#1W.M. Quinteiro-Filho (USP: University of São Paulo)H-Index: 11
#2Atilio Sersun Calefi (USP: University of São Paulo)H-Index: 7
Last.João Palermo-Neto (USP: University of São Paulo)H-Index: 29
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Abstract A high ambient temperature is a highly relevant stressor in poultry production. Heat stress (HS) has been reported to reduce animal welfare, performance indices and increase Salmonella susceptibility. Salmonella spp. are major zoonotic pathogen that cause over 1 billion of human infections worldwide annually. Therefore, the current study was designed to analyze the effect of heat stress on Salmonella infection in chickens through modulation of the immune responses. Salmonella Enteritidi...
Objectives: Cohabitation with Ehrlich tumor-bearing (ETB) mice induced behavioral, neurochemical, hormonal, and immune effects in the conspecifics as a consequenc
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