Data/hora: 01/06/2024 06:17:06

Provedor de dados: | 65
País: | Brazil
Título: | The use of scaning electron microscopy in postvaccinal evaluation of tracheal epithelium of Coturnix coturnix japonica
Autores: | Santin,Elizabeth; Lima,Fabiana S.; Paulillo,Antônio C.; Nakaghi,Laura S. O.; Maiorka,Alex.
Data: | 2003-02-01
Ano: | 2003
Palavras-chave: | Coturnix coturnix japonica; Newcastle disease; Scanning electron microscopy; Respiratory post-vaccinal reaction.
Resumo: | This study aimed at evaluating the use of scanning electron microscopy in the study of the post-vaccinal respiratory reaction of the tracheal epithelium of quails (Coturnix coturnix japonica) immunized against Newcastle disease. A number of 36 quails were distributed into four groups: T1 &lt;FONT FACE=Symbol&gt;¾&lt;/FONT&gt; control birds (non-vaccinated); T2 &lt;FONT FACE=Symbol&gt;¾&lt;/FONT&gt; birds vaccinated with Ulster 2C strain; t3 &lt;FONT FACE=Symbol&gt;¾&lt;/FONT&gt; birds vaccinated with B1 strain; t4 &lt;FONT FACE=Symbol&gt;¾&lt;/FONT&gt; birds vaccinated with LaSota strain. Regardless the experimental group, birds did not show detectable clinical signs of post-vaccinal respiratory reaction. However, the analysis of tracheal fragments by scanning electron microscopy showed that birds vaccinated with B1 and LaSota strains developed epithelial sloughing of the trachea, whereas those vaccinated Ulster 2C strain did not develop this change, demonstrating intact tracheal epithelium, similar to the control group.
Tipo: | Info:eu-repo/semantics/article
Idioma: | Inglês
Identificador: | http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0103-84782003000100019
Editor: | Universidade Federal de Santa Maria
Relação: | 10.1590/S0103-84782003000100019
Formato: | text/html
Fonte: | Ciência Rural  v.33 n.1 2003
Fonte: | info:eu-repo/semantics/openAccess