Inoculação experimental de Salmonella entérica Sorovar Schwarzengrund em embriões e pintos de corte
Nenhuma Miniatura disponível
Data
2014-08-07
Autores
Título da Revista
ISSN da Revista
Título de Volume
Editor
Universidade Federal de Goiás
Resumo
The present study was developted with the main object to evaluate the invasive ability,
persitence and behavior of Salmonella Schwarzengrund in embryos and broiler chicks with one
day of birth. Initially, 260 fertile eggs from broiler chicken were incubated e randomly
distributed onto three different incubators. In the nineteenth day post incubation, the eggs
were submited to candling and at the time 40 eggs were eliminated. The remaining eggs were
distrubuted and 50 eggs were inoculated with 0,2 mL of sterile buffered saline 0,85% trough
the air chamber and 50 eggs were inoculated with 1,5 x 104 UFC/0,2mL of Salmonella
Schwarzengrund trough the air chamber, 100 were incubated without treatment. After the
eclosion, the one day-old chicks were equally distributed in four treatments, discriminated
well below: T1 – feed control – 30 chicks from incubator number 1, and received 0,1 mL of
sterile buffered saline 0,85% per g of feed; T2 – feed inoculated - 30 chicks from incubator
number 1, received feed with 5,3 x 10 4/0,1mL/g of Salmonella Schwarzengrund in buffered
saline 0,85% per g de of feed until the seventh day-old; T3- inoculated control trough air
chamber -30 chicks from inoculated embryos with 0,2 mL of sterile buffered saline 0,85%
trough the air chamber; T4- inoculated trough air chamber - 30 chicks from inoculated
embryos with 1,5 x 104 UFC/0,2mL de Salmonella Schwarzengrund in the air chamber.
Salmonella Schwarzengrund was able to cause embryo mortality, enteric colonization,
negatively influenced the weight gain, septicemic and enteric signs, with no correlation
between the inoculation way. The bidrs shown clinical signs seen as feces adered to
cloaca,diarrhea, prostration, decreased appetite, growth retardation and sleepness. The
contamination determined higher weight and length of intestinal and liver with 25
days.Therefore is conclude that Salmonella Schwarzengrund is able to invade and persist in
organs of inoculated air chamber embryo and one day old chicks contaminated feed.
Descrição
Palavras-chave
Citação
FIGUEIRA, S. V. Inoculação experimental de Salmonella entérica Sorovar Schwarzengrund em embriões e pintos de corte. 2014. 51 f. Dissertação (Mestrado em Ciência Animal) - Universidade Federal de Goiás, Goiânia, 2016.