2 documents found, page 1 of 1
Effectiveness of homologous inactivated Streptococcus agalactiae vaccine by imm...
Longhi, Elaine; Pretto-Giordano, Lucienne Garcia; Müller, Ernst EckehardtTilapia is the most important group between cultivated fish. Intensive handling systems are characterized by high rate of stocking of fish making them susceptible to infectious diseases. The streptococcosis is one of the diseases that cause great economic losses. The objective of the study was to test a vaccine administered by immersion bath (b.i.) against Streptococcus agalactiae and challenge with homologous ...
Pathogenicity and histopathological observations of commercial broiler chicks e...
Zulpo, Dauton Luiz; Peretti, Jaidson; Ono, Leandro Mortean; Longhi, Elaine; Oliveira, Marcos R.; Guimarães, Ivens Gomes; Headley, Selwyn ArlingtonCooccidiosis is one of the most important causes of economic losses within the poultry industry. The objective of this study was to evaluate the pathogenicity of E. tenella, E. acervulina, and E. maxima strains in commercial broilers chicks. Thirty nine commercial one day old broiler chicks, unvaccinated against coccidiosis, were used during this experiment. At day 14, chickens of G1 (n=10), G2 (n=10) and G3 (n...