Navegação Ciências Agrárias por Autor "Gasperin, Bernardo Garziera"

Resultados 1-12 de 12

    • Altrenogest treatment effects on the reproductive performance of sows during transition to batch farrowing 

      Corezzolla, José Luís; Ulguim, Rafael da Rosa; Gasperin, Bernardo Garziera; Rauber, Lúcio Pereira; Bianchi, Ivan (2020) [Artigo de periódico]
      The synthetic progestin altrenogest (ALT) has been widely used in sow farms to concentrate artificial inseminations (AIs) during the transition of weekly productive flow for the batch farrowing system of 14 or 21 days. The ...

    • Analysis of nuclear maturation, DNA damage and repair gene expression of bovine oocyte and cumulus cells submitted to ionizing radiation 

      Rovani, Bruno Tomazele; Rissi, Vitor Braga; Rovani, Monique Tomazele; Gasperin, Bernardo Garziera; Baumhardt, Tadeu; Bordignon, Vilceu; Bauermann, Liliane de Freitas; Missio, Daniele; Goncalves, Paulo Bayard Dias (2023) [Artigo de periódico]
      Radiotherapy causes destruction of tumor cells, but also threatens the integrity and survival of surrounding normal cells. Then, woman submitted to irradiation for cancer treatment may present permanent ovary damage, ...

    • An efficient shorter protocol for artificial induction of lactation in heifers 

      Isola, José Victor Vieira; Pestano, Henrique Schneider; Vargas Júnior, Sergio Farias; Oliveira, Fernando Caetano de; Moraes, Fabiane Pereira de; Brito, Camila Ribeiro Carvalho de; Guidoni, Lucas Lourenço Castiglioni; Ferreira, Rogério; Vieira, Arnaldo Diniz; Rovani, Monique Tomazele; Mondadori, Rafael Gianella; Gasperin, Bernardo Garziera (2024) [Artigo de periódico]
      Protocols to artificially induce cows and heifers into lactation are effective and commercially available in Brazil. However, these protocols demand long hormonal treatments, which is debatable since little research has ...

    • Association between chronic Anaplasma marginale and Babesia spp. infection and hematological parameters of taurine heifers 

      Rahal, Natalia Machado; Luz, Gabriela Bueno; Martins, Kauê Rodriguez; Gasperin, Bernardo Garziera; Feijó, Josiane de Oliveira; Dalto, André Gustavo Cabrera; Rovani, Monique Tomazele; Cunha, Rodrigo Casquero; Corrêa, Márcio Nunes (2023) [Artigo de periódico]
      The aim of this study was to investigate the association between chronic Anaplasma marginale and Babesia spp. infection and hematological parameters of pregnant and non-pregnant taurine heifers. Blood samples from 94 females ...

    • Does combining estradiol cypionate and GnRH for ovulation induction in recipient cows increase pregnancy rate after timed embryo transfer? 

      Lima, Wagner Marques de; Moraes, Fabiane Pereira de; Ferreira, Rogério; Mondadori, Rafael Gianella; Vieira, Arnaldo Diniz; Knabah, Nathália Wacholz; Lima, Danylo Cintra Medeiros; Rovani, Monique Tomazele; Pfeifer, Luiz Francisco Machado; Goncalves, Paulo Bayard Dias; Gasperin, Bernardo Garziera (2022) [Artigo de periódico]
      Estradiol cypionate (EC) or GnRH have been widely used for ovulation induction in timed embryo transfer (TET). EC administration increases the proportion of cows that show estrus, whereas GnRH promotes more synchronized ...

    • Does GnRH treatment at TAI regardless of estrus occurrence increase pregnancy rate in crossbred Bos taurus suckled cows? 

      Fernandes, Vanessa Silva; Velho, Gabriella dos Santos; Santos, Mateus Felipe Osório dos; Evangelista, Kelly Alves; Gasperin, Bernardo Garziera; Pfeifer, Luiz Francisco Machado; Ferreira, Rogério; Goncalves, Paulo Bayard Dias; Gastal, Gustavo Desire Antunes; Dalto, André Gustavo Cabrera; Rovani, Monique Tomazele (2024) [Artigo de periódico]
      The impact of GnRH treatment on the day of TAI in beef cows has received limited investigation, especially concerning its association with estrus expression. Consequently, two experiments were conducted to assess the ...

    • Effect of recombinant bovine somatotropin (rbST) treatment on follicular population and development in non-lactating dairy cows 

      Alvarado Rincón, Joao Alveiro; Mion, Bruna; Velasco Acosta, Diego Andres; Gasperin, Bernardo Garziera; Rovani, Monique Tomazele; Pegoraro, Lígia Margareth Cantarelli; Corrêa, Márcio Nunes; Schneider, Augusto (2019) [Artigo de periódico]
      The aim of this study was to evaluate the long term effects of recombinant bovine somatotropin (rbST) on follicle population and ovulatory follicle development in non-lactating dairy cows. Twenty-one Jersey cows were ...

    • Lipopolysaccharide effects on activation and apoptosis of primordial ovarian follicles in heifers 

      Maffi, Andressa Stein; Alvarado Rincón, Joao Alveiro; Barbosa, Antonio Amaral; Weiller, Maria Amélia Agnes; Mondadori, Rafael Gianella; Gasperin, Bernardo Garziera; Rovani, Monique Tomazele; Cruz, Luis Augusto Xavier; Freitas, Karen Cruz; Schneider, Augusto; Corrêa, Márcio Nunes; Feijó, Josiane de Oliveira; Del Pino, Francisco Augusto Burkert; Rabassa, Viviane Rohrig; Marins, Leonardo; Brauner, Cássio Cassal (2023) [Artigo de periódico]
      The objective of the present study was to evaluate the effect of lipopolysaccharide (LPS) administration on activation and apoptosis of primordial follicles. There was no difference in the total number of follicles as well ...

    • Local regulation of antral follicle development and ovulation in monovulatory species 

      Moraes, Fabiane Pereira de; Missio, Daniele; Lazzari, Jéssica; Rovani, Monique Tomazele; Ferreira, Rogério; Goncalves, Paulo Bayard Dias; Gasperin, Bernardo Garziera (2022) [Artigo de periódico]
      The identification of mutations in the genes encoding bone morphogenetic protein 15 (BMP15) and growth and differentiation factor 9 (GDF9) associated with phenotypes of sterility or increased ovulation rate in sheep aroused ...

    • Paraoxonase 1 activity in the sperm-rich portion of boar ejaculates is positively associated with sperm quality 

      Lucca, Matheus Schardong; Goularte, Karina Lemos; Rovani, Monique Tomazele; Schneider, Augusto; Gasperin, Bernardo Garziera; Lucia Júnior, Thomaz; Rossi, Carlos Augusto Rigon (2022) [Artigo de periódico]
      Associations of the activity of the paraoxonase 1 (PON1) enzyme with boar sperm quality still needs to be characterized, since boar ejaculates present distinct portions with differences in sperm concentration and quality. ...

    • Prepartum progestagen supplementation in swine : a strategy to facilitate piglet care and prevent early parturition 

      Haas, Cristina Sangoi; Santos, Monike Quirino dos; Rovani, Monique Tomazele; Santos, Joabel Tonellotto dos; Mellagi, Ana Paula Gonçalves; Bortolozzo, Fernando Pandolfo; Gasperin, Bernardo Garziera; Goncalves, Paulo Bayard Dias (2017) [Artigo de periódico]
      Gestation length in swine has a considerable amplitude and both early and delayed parturition are common. This variation increases the occurrence of unassisted farrowing and could lead to a wide-ranging age at weaning for ...

    • Transforming growth factor-beta family members are regulated during induced luteolysis in cattle 

      Haas, Cristina Sangoi; Rovani, Monique Tomazele; Ilha, Gustavo Freitas; Bertolin, Kalyne; Ferst, Juliana Germano; Bridi, Alessandra; Bordignon, Vilceu; Duggavathi, Raj; Antoniazzi, Alfredo Quites; Goncalves, Paulo Bayard Dias; Gasperin, Bernardo Garziera (2019) [Artigo de periódico]
      The transforming growth factors beta (TGFβ) are local factors produced by ovarian cells which, after binding to their receptors, regulate follicular deviation and ovulation. However, their regulation and function during ...