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Biometry and ultrasound evaluation of testicles and accessory glands in Santa Ines rams R. Bras. Zootec.
Ribeiro,Mariana da Silva; Quirino,Celia Raquel; Bartholazzi Junior,Aylton; Pacheco,Aline.
ABSTRACT This work aimed to investigate the relationship between echogenicity, testicular biometry, and accessory gland biometry and evaluate the echogenicity pattern of these structures in Santa Ines rams. Fifty-four healthy Santa Ines sheep were classified into three age groups: group 1 - 3 to 5 months (pre-pubertal); group 2 - 7 to 11 months (pubertal); and group 3 - 13 to 28 months (sexually mature). The averages of testicular biometry and bulbourethral gland biometry were different among age groups. The testicular parenchyma was homogeneous with low echogenicity (pre-pubertal group) and medium echogenicity (pubertal and sexually mature groups), suggesting that testicular echogenicity can be a helpful tool to identify the start of puberty. The...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Ovine; Semen; Testicle; Ultrasonography.
Ano: 2017 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-35982017000400317
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Environmental effects and repeatability of the follicular diameter in mares R. Bras. Zootec.
Rua,Miguel Alejandro Silva; Quirino,Celia Raquel; Matos,Luis Fonseca; Rodrigues,Ana Cláudia Cerqueira; Bartholazzi Junior,Aylton.
ABSTRACT The objective of this study was to evaluate the effect of environment on follicular diameter and repeatability of the size of preovulatory follicles of mares. Temperature, rainfall, and photoperiod were measured, and their effects were evaluated on follicular dynamics. Data were studied by analysis of variance of follicular size and environment traits. During the five years, 7% double ovulations and 159 anovulatory follicles were recorded. Mean preovulatory follicle diameters of left and right ovaries were 39.3±3.8 and 39.2±3.5 mm respectively. There was no effect of evaluation year on follicular diameter. Reproduction season affected the right preovulatory follicle diameter. There was no effect of temperature and rainfall on follicular diameter....
Tipo: Info:eu-repo/semantics/article Palavras-chave: Female; Horse; Reproduction.
Ano: 2019 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-35982019000100605
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