Consulta: creatorFacets:"Cruz,Maria Helena Coelho"
Registros recuperados: 2
Data/hora: 10/06/2024 01:28:27

Puberty and sexual maturity in Anglo-Nubian male goats raised in semi-intensive system
Provedor de dados: 96
Autores: Souza,Luiz Eduardo Barreto de; Cruz,Jurandir Ferreira da; Teixeira Neto,Milton Rezende; Nunes,Rita de Cássia Santos; Cruz,Maria Helena Coelho.
The objective of this study was to characterize the sexual development in Anglo-Nubian male goats raised in semi-intensive system. Eight animals were monitored every fifteen days, from the 12th to the 44th week for age at penis detachment, live weight, scrotal circumference, seminal parameters (volume, aspect, concentration, wave motion, progressive individual motility, vigor and spermatic abnormalities) and serum testosterone levels. Serum testosterone levels were determined in blood samples collected at the 20th, 28th and 38th weeks of age. Penis detachment occurred at 102.9 ± 15.4 days of age. Live weight and scrotal circumference at 20th and 44th weeks of age ranged from 25.9 ± 3.5 to 44.7 ± 4.7 kg and from 21.2 ± 1.6 cm to 26.0 ± 1.5 cm, respectively....
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Andrologic parameters; Semen; Spermatic abnormalities; Testosterone.
Ano: 2011
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-35982011000700019

Effect of follicular fluid supplementation during in vitro maturation on total cell number in bovine blastocysts produced in vitro
Provedor de dados: 96
Autores: Cruz,Maria Helena Coelho; Saraiva,Naiara Zoccal; Cruz,Jurandir Ferreira da; Oliveira,Clara Slade; Del Collado,Maite; Fernandes,Hugo; Castro,Fernanda Cavallari de; Garcia,Joaquim Mansano.
This study evaluated the influence of follicular fluid (FF) added to the maturation medium on the quality of bovine embryos produced in vitro. In the first experiment, oocytes were matured in media containing five different FF concentrations with different maturation times and classified according to meiotic progression and migration of cortical granules. In the second experiment, oocytes matured in the same media were fertilized at three different maturation times; thereafter, cleavage and blastocyst rates were evaluated. In the third experiment, oocytes were matured in media containing three different FF concentrations at two different maturation times, and embryo quality, inferred by the ratio of inner cell mass and trophectoderm cells compared with...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Embryo development; Inner cell mass; In vitro fertilization; Oocytes.
Ano: 2014
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-35982014000300003