Relationships between follicle and corpus luteum size and vascularization with ovulation, progesterone production, and pregnancy in Nellore beef cattle

Autor: 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

Publikováno v: Revista Brasileira de Zootecnia, Vol 52 (2023)

ABSTRACT The objective of this study was to evaluate the relationships between preovulatory follicle (POF) and corpus luteum (CL) diameters, and POF and CL vascular perfusion with progesterone production, ovulation, and pregnancy in Nellore cows subj

Externí odkaz: https://doaj.org/article/e54cbbd3c639451da3f93f5b6930c449

[Dairy cattle pregnancy rate in fixed time artificial insemination program with and without ultrasonic gynecologic screening.]

Autor: 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

Publikováno v: Brazilian Journal of Veterinary Medicine, Vol 38, Iss 2, Pp 187-194 (2016)

To evaluate the pregnancy rate and the importance of ultrasound gynecological screening (US) performed prior to fixed time artificial insemination programs (TAI), 120 Girolando cows, over two breeding seasons (2013 and 2014), were divided into two gr

Externí odkaz: https://doaj.org/article/70a950af796f4cae82c799190919ac53

Effect of gynecological screening on rates of conception and gestation total of Nellore cows submitted to three protocols for fixed-time artificial insemination (TAI)

Autor: 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

Publikováno v: Brazilian Journal of Veterinary Medicine, Vol 37, Iss 3, Pp 250-254 (2015)

ABSTRACT. Grillo G.F., Guimarães A.L.L., Soares J.R., Mello M.R.B., Alonso L.S., Abidú-Figueiredo M. & Palhano H.B. [Effect of gynecological screening on rates of conception and gestation total of Nellore cows submitted to three protocols for fixed

Externí odkaz: https://doaj.org/article/7f2f6691fbf64c80b7f47f19f6bffadc

Association between Neospora caninum seropositivity and reproductive disorders in girolando cows

Autor: Andressa Ferreira da Silva, Gustavo Fernandes Grillo, Helcimar Barbosa Palhano, V. G. Gaia, Marco Roberto Bourg de Mello

Publikováno v: Arquivo Brasileiro de Medicina Veterinária e Zootecnia, Volume: 72, Issue: 6, Pages: 2069-2076, Published: 27 NOV 2020
Arquivo Brasileiro de Medicina Veterinária e Zootecnia v.72 n.6 2020
Arquivo brasileiro de medicina veterinária e zootecnia
Universidade Federal de Minas Gerais (UFMG)
instacron:UFMG
Arquivo Brasileiro de Medicina Veterinária e Zootecnia, Vol 72, Iss 6, Pp 2069-2076 (2020)

The aim of this study was to investigate the presence of anti-Neospora caninum antibodies in Girolando cows, in order to evaluate the association between seropositivity and reproductive disorders. Blood samples were collected from 40 dairy cows in th

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::0ece3ad0a0eeacf057d7ce83f5dd5fde
http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0102-09352020000602069&lng=en&tlng=en

Practical application of an impractical bovine genotype: creating bilateral twin pregnancies in Trio allele carriers

Autor: Guilherme Madureira, Gustavo Fernandes Grillo, Brian W. Kirkpatrick, Beth M. Lett, João Paulo Nascimento Andrade, Victor E. Gomez-León, Sadrollah Molaei Moghbeli, Milo C. Wiltbank

Publikováno v: J Anim Sci

Bovine twin birth is associated with detriments, including increased embryo/fetal losses, malpresentation, and dystocia. Incidence of these is lessened in bilateral compared with unilateral twin pregnancy. This study was undertaken to assess the use

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::d376c0610970321d6d68bc9096a7cbab
https://doi.org/10.1093/jas/skaa292