Comparison of pregnancy rate between heifers, primiparous and multiparous Nellore submitted to artificial insemination fixed time by Gustavo Fernandes Grillo, Ana Luisa Lima Guimarães, Samuel Rodrigues Bonamichi do Couto, Marcelo Abidu Figueiredo, Helcimar Barbosa Palhano

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Effect of gynecological screening on rates of conception and gestation total of Nellore cows submitted to three protocols for fixed-time artificial insemination (TAI) by Gustavo Fernandes Grillo, Ana Luisa Lima Guimarães, Jaqueline Rocha Soares, Marco Roberto Bourg de Mello, Luciano da Silva Alonso, Marcelo Abidú Figueiredo, Helcimar Barbosa Palhano

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Influence of age and weight of Girolando heifers on uterine and ovarian development by Hellen de Sousa Fernandez, Daniela Cristina Rocha de Freitas, Gustavo Fernandes Grillo, Lara Nogueira Silenciato, Sérgio Trabali Camargo Filho, Joaquim Esquerdo Ferreira, Helcimar Barbosa Palhano, Marco Roberto Bourg de Mello

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[Dairy cattle pregnancy rate in fixed time artificial insemination program with and without ultrasonic gynecologic screening.] by Gustavo Fernandes Grillo, Marco Roberto Bourg de Mello, Ana Luisa Lima Guimarães, Osvaldo de Almeida Resende, Pedro Afonso Moreira Alves, Andressa Ferreira da Silva, Vera Lúcia Teixeira de Jesus, Helcimar Barbosa Palhano

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Relationships between follicle and corpus luteum size and vascularization with ovulation, progesterone production, and pregnancy in Nellore beef cattle by Samuel Rodrigues Bonamichi do Couto, Yuri Barbosa Guerson, Rita de Cássia Lima Morais, Gustavo Fernandes Grillo, João Paulo Nascimento Andrade, Julio Cesar Ferraz Jacob, Rondineli Pavezzi Barbero, Marco Roberto Bourg de Mello

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