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Epididymal lithiasis in Gallus gallus domesticus Rev. Bras. Ciênc. Avic.
Rocha Jr.,JM; Mahecha,GAB; Dornas,RAP; Kuana,SL; Martins,NRS.
A study on the occurrence of epididymal lithiasis (EL) in Gallus gallus domesticus of different breeds and from different geographical regions of Brazil was carried out. Forty breeding roosters were collected in the states Santa Catarina, São Paulo, Minas Gerais, Espírito Santo and Goiás, representing two specific pathogen free Leghorn lines (SPF), one commercial Leghorn layer breeder (Hy-Line) line, two commercial broiler breeder lines (Ross and Cobb), and two backyard chicken flocks. In commercial poultry breeders, EL was observed mainly after 55 weeks of age, and lithus resulted in lower fertility caused by inadequate maturation of spermatozoa and testicular atrophy, which evolved to more severe testicular dysfunction at 100 weeks of age. One hundred...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Epididymal lithiasis; Gallus gallus domesticus; Infertility; Rooster; Testicular calculus.
Ano: 2009 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-635X2009000100004
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Histomorphological changes by epididymal lithiasis in roosters Rev. Bras. Ciênc. Avic.
Geraldo,I; Mahecha,GAB; Martins,NRS.
Epididymal lithiasis (EL) histopathology is described using light and electronic microscopy in roosters (Gallus gallus domesticus) naturally affected by EL in Minas Gerais, Brazil. The histologic and morphological changes by EL in roosters was performed regarding cellular and subcellular details through light and electron microscopy. Efferent ductules epithelium lysosomal increase in size and numbers, membrane rupture, cellular vacuolation, ciliary loss, basal membrane degeneration, inflammatory reaction with mononuclear infiltrations, edema, epithelial and vascular endothelium losses were described. All industrial and freerange chickens showed EL in varying degrees in the efferent ductules (ED). However, ED altered areas did not correlate with the...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Epididymal lithiasis; Histopathology; Light microscopy; Electron microscopy; Gallus gallus domesticus; Infertility; Rooster; Testicular calculus.
Ano: 2014 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-635X2014000100004
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