Lucas Teixeira Hax
Universidade Federal de Pelotas
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Publication
Featured researches published by Lucas Teixeira Hax.
Pesquisa Agropecuaria Brasileira | 2010
Augusto Schneider; Luiz Francisco Machado Pfeifer; Lucas Teixeira Hax; Giane Regina Paludo; Francisco Augusto Burkert Del Pino; Nelson José Laurino Dionello; Marcio Nunes Corrêa
The objective of this study was to evaluate the plasma concentrations of insulin-like growth factor-I (IGF-I), and the mRNA hepatic expression of IGF-I and of the growth hormone receptors GHR and GHR 1A, in postpartum beef cows. Four Angus and four crossbred (Angus x Nelore) postpartum suckled beef cows were used. Liver and blood samples were collected every 10 days, from calving to 40 days postpartum, for gene expression and for β‑hydroxybutyrate and IGF‑I assays, respectively. Samples for progesterone assay were collected every other day, from day 10 to 40 postpartum. Three cows ovulated before 40 days postpartum. IGF-I concentration was higher in Angus x Nelore than in Angus cows. There was no difference in the expression of GHR, GHR 1A and IGF-I according to breed or ovulatory status. IGF-I concentrations were higher in crossbred cows, but have not changed according to postpartum ovulatory status. Moreover, changes in postpartum IGF-I concentrations are not associated with changes in liver GHR, GHR 1A and IGF-I mRNA expression in either breed.
Arquivo Brasileiro De Medicina Veterinaria E Zootecnia | 2012
Eduardo Schmitt; Augusto Schneider; Maikel Alan Goulart; Elizabeth Schwegler; Rubens Alves Pereira; Dustin André Chaves Hoffmann; Mateus Silveira Lopes; Lucas Teixeira Hax; F.A.B. Del Pino; Marcio Nunes Corrêa
Compararam-se as concentracoes de calcio, glicose e insulina em ovelhas gestantes e nao gestantes submetidas ao teste de tolerância a glicose (TTG). Oito ovelhas gestantes (GG) e oito nao gestantes (NG) foram submetidas ao TTG por meio da administracao endovenosa de uma solucao de glicose, na dose de 500mg/kg de peso vivo. Amostras de sangue foram coletadas nos tempos de -15, zero, 15, 30, 45, 60, 90, 120, 150 e 180 minutos, sendo zero min o momento da infusao, para avaliacao da concentracao sanguinea de glicose, calcio e insulina. Foi avaliada a taxa de metabolizacao de glicose e insulina, por meio do calculo da area sob a curva (ASC). As concentracoes de glicose, calcio, insulina e a ASC da insulina nao diferiram entre os grupos (P>0,05), entretanto as tres ultimas ASCs da glicose foram mais elevados nas gestantes (P<0,05), que correspondem ao periodo entre 90 e 180min. O teste de correlacao de Pearson revelou correlacao negativa entre concentracao de calcio e insulina nas gestantes (P<0,05). Estes resultados indicam menor taxa de metabolizacao de glicose em ovelhas gestantes e uma possivel relacao de calcio e insulina no terco final de gestacao.
Acta Scientiae Veterinariae | 2013
Maikel Alan Goulart; Augusto Schneider; Marina Menoncin Weschenfelder; Eduardo Schmitt; Rogério Fôlha Bermudes; Lucas Teixeira Hax; Paula Montagner; Rodrigo Carneiro de Campos Azambuja; F. A. B. del Pino; Marcio Nunes Corrêa
Acta Scientiae Veterinariae | 2009
Augusto Schneider; Ivan Bianchi; Lucas Teixeira Hax; Elisângela Mirapalheta Madeira; Márcio Erpen Lima; Marcelo Moreira Antunes; Marcelo Brandi Vieira; Eduardo Gularte Xavier; Eduardo Schmitt; Marcio Nunes Corrêa
Theriogenology | 2017
Lucas Teixeira Hax; Augusto Schneider; Carolina Bespalhok Jacometo; Patrícia Mattei; Thaís Casarin da Silva; Géssica Farina; Marcio Nunes Corrêa
Animal reproduction | 2015
Lucas Teixeira Hax; Augusto Schneider; Marcio Nunes Corrêa; S. C. B. S. Leal; C. E. G. Martin
Science of animal health | 2014
J. A. A. Rincón; Taís Helena Kivel; Luiz Francisco Machado Pfeifer; Lucas Teixeira Hax; Marcelo Moreira Antunes; Francisco Augusto Burkert Del Pino; Marcio Nunes Corrêa; Augusto Schneider
Brazilian Journal of Veterinary Research and Animal Science | 2014
Viviane Rohrig Rabassa; J.O. Feijó; Rubens Alves Pereira; Diego Andres Velasco Acosta; Lucas Teixeira Hax; Arthur de Castro Jorge Silva; Aline Marangon de Oliveira; Eduardo Schmitt; Francisco Augusto Burker Del Pino; Ivan Bianchi; Marcio Nunes Corrêa
Brazilian Journal of Veterinary Research and Animal Science | 2013
Viviane Rohrig Rabassa; Eduardo Schmitt; Luiz Francisco Machado Pfeifer; Talita Bandeira Roos; Augusto Schneider; José Wilson da Silva Neto; Lucas Teixeira Hax; Elisângela Mirapalheta Madeira; Tatiane Camacho Mendes; Marcio Nunes Corrêa
Brazilian Journal of Veterinary Research and Animal Science | 2013
Viviane Rohrig Rabassa; Eduardo Schmitt; Luiz Francisco Machado Pfeifer; Talita Bandeira Roos; Augusto Schneider; José Wilson da Silva Neto; Lucas Teixeira Hax; Elisângela Mirapalheta Madeira; Tatiane Camacho Mendes; Marcio Nunes Corrêa
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National Council for Scientific and Technological Development
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