José Francisco Manta Bragança
Universidade Federal de Santa Maria
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Ciencia Rural | 2008
Andreane Filappi; Danívia Prestes; Ricardo Xavier da Rocha; Deila Rosely Schosller; Carlos Bondan; José Francisco Manta Bragança; Marcelo Cecim
The objective of the present study was to evaluate different reproductive parameters of ram lambs treated with sodium fluoride. Spermogram, indicators of seminal oxidative profile, seminiferous tubules diameter and cell height of the testicular epithelium, epididimus and vas deferens were analyzed. Twelve 5-month-old ram lambs were used. They were allocated into one of two experimental groups: The control, which received daily iodized salt (5g NaCl animal-1 + 0.2mg I kg-1 DM); and the treated, which received (5g NaCl animal-1 + 0.2mg I kg-1 DM + 4.7mg F kg-1 BW). After 150 days of treatment, animals went through a complete andrological exam, and were euthanized on the next day. No differences were observed in sperm motility, dead: alive ratio and morphology between the control and treated group. Also, seminal concentration of reduced glutathione and zinc, as well as, testicular weight, histology and morphometry of testicles, caudal portion of epididimus and vas deferens did not differ between groups. The seminal concentration of thiobarbituric acid reactive substances (TBARs) and seminal copper levels were lower (P<0.05) in the treated group. We conclude that chronic fluoride administration to lambs does not affect reproductive capacity as a whole. However, the data suggest that fluoride can induce a reduction in seminal lipoperoxidation and copper levels with are essential for sperm capacitation and fertilization.
Theriogenology | 2004
Guilherme de Medeiros Bastos; Ricardo Heitor Brenner; Fabrı́cio Wollman Willke; Jairo Pereira Neves; João Francisco Coelho de Oliveira; José Francisco Manta Bragança; Sergio A. Machado; Patrı́cia Marafon Porciúncula; Paulo Bayard Dias Gonçalves
Pubvet | 2018
José Francisco Manta Bragança; Ricardo Xavier da Rocha
Veterinária e Zootecnia | 2017
Andressa Michailoff; Dom Diego Dall Agnol; Anderson Bianchi; Fabiano Samuel Balistieri; Eliana Lucia Fiorentin; Ricardo Xavier da Rocha; José Francisco Manta Bragança
Veterinária e Zootecnia | 2017
Daniel Signor; Gustavo Dal Piva; Lucas Fabio Huf; Eliana Lucia Fiorentin; Brayan Immich; José Francisco Rocha; Marta Lizandra Leal; José Francisco Manta Bragança; Ricardo Xavier da Rocha
Comparative Haematology International | 2017
José Francisco Manta Bragança; Jucilmar M. Maciel; Lilian Kolling Girardini; Sergio A. Machado; José Francisco Xavier da Rocha; Alexandre A. Tonin; Ricardo Xavier da Rocha
Veterinária e Zootecnia | 2016
José Francisco Xavier da Rocha; Felipe Lamberti Pivoto; Adelina Rodrigues Aires; Ricardo Xavier da Rocha; José Francisco Manta Bragança; Fillipo Cogo Mendes; Marcelo Cecim; Marta Lizandra do Rego Leal
Revista Brasileira de Ciência Veterinária | 2016
José Francisco Xavier da Rocha; Felipe Lamberti Pivoto; Adelina Rodrigues Aires; Ricardo Xavier da Rocha; José Francisco Manta Bragança; Rafael Noal Moresco; Vanessa Dorneles Torbitz; Agueda Castagna de Vargas; Cláudia Balzan; Marta Lizandra do Rego Leal
Archive | 2016
José Francisco Xavier da Rocha; Adelina Rodrigues Aires; Ricardo Xavier da Rocha; José Francisco Manta Bragança; Rafael Noal Moresco; Vanessa Dorneles Torbitz; Agueda Castagna de Vargas; Cláudia Balzan; Marta Lizandra; Rêgo Leal
Veterinária e Zootecnia | 2015
Mateus Peiter; J. F. X. da Rocha; Felipe Lamberti Pivoto; Adelina Rodrigues Aires; R. X. da Rocha; José Francisco Manta Bragança; A. G. T. Ferreira; M. L. do R. Leal