نتایج جستجو برای: specific igy on prevention of salmonella enteritidis infection in broiler chickens
تعداد نتایج: 25028467 فیلتر نتایج به سال:
In recent years the topic of food safety in relation to products of poultry origin mainly concentrated on Salmonella contamination. This paper will concentrate on the results of an experiment in which the shedding pattern of Salmonella enteritidis after oral challenge of broilers fed Flavomycin® were compared with a zerocontrol group. In addition to this the effects of inclusion of this product...
BACKGROUND Probiotics have been used to control Salmonella colonization/infection in chickens. Yet the mechanisms of probiotic effects are not fully understood. This study has characterized our previously-selected lactic acid-producing bacterial (LAB) isolates for controlling Salmonella infection in chickens, particularly the mechanism underlying the control. METHODOLOGY/PRINCIPAL FINDINGS In...
In the present study, efficacy of two prepared combined vaccines against salmonellosis and infectious coryza in poultry has been studied. Two vaccines were prepared using Salmonella Typhimurium and Enteritidis combined with Avibacterium paragallinarum serovars A, B, and C. one vaccine was adjuvanated with aluminium hydroxide gel and the other adjuvanated with montanide ISA71. The two vaccines w...
Salmonellosis is a disease of human beings, cattle, sheep, goat, pigs and chicken including duck and is manifested clinically in all hosts by one of three major syndromes: a peracute systemic infection, acute enteritis or chronic enteritis. But the clinical signs may vary from species to species1. Human infections with Salmonella have been increasing worldwide since 1980 and have been shown to ...
Accurate and fast detection of harmful Salmonella is a major concern of food safety. Common Salmonella serotypes responsible for human associated foodborne outbreaks are S. Enteritidis, S. Hadar, S. Heidelberg, and S. Typhimurium are also commonly isolated from poultry. Serology is commonly used to monitor disease in poultry, therefore application of Salmonella serotype-specific test will have ...
Despite advancements in prevention measures, infectious mastitis is a common disease of economic significance cattle. Clinical affects 20 to 25% cows each year. Staphylococcus aureus (S. aureus) causes an estimated 10-11.7% clinical bovine cases the US. Antibiotic therapy tends fail 50% time and nature vaccine immunity usually fails, due S. aureus’ evasion mechanisms, leading significant morbid...
abstract in aggregate, active forms of reactive silica with mineral names are sometimes associated with sand and gravel in concrete mixture. alkali hydroxides originated from alkalis in the cement or other resources form an alkaline silica gel with this reactive silica which becomes swallowed and expanded during time causing damage to concrete. there have been growing researches on alkaline r...
Based on bacterial genomic data, we developed a one-step multiplex PCR assay to identify Salmonella and simultaneously differentiate the two invasive avian-adapted S. enterica serovar Gallinarum biotypes Gallinarum and Pullorum, and the most frequent, specific, and asymptomatic colonizers of chickens, serovars Enteritidis, Heidelberg, and Kentucky.
Competitive exclusion of Salmonella enterica serovar Enteritidis by a mixed culture of Lactobacillus crispatus and Clostridium lactatifermentans was studied in a sequencing fed-batch reactor mimicking the cecal ecophysiology of broiler chickens. Growth of serovar Enteritidis was inhibited by a mixed culture of L. crispatus and C. lactatifermentans at pH 5.8 but not by a monoculture of L. crispa...
Salmonella enterica is frequently associated with outbreaks of human salmonellosis, and products of avian origin, such as eggs and chicken meat, are the main vehicles of its transmission. The present study describes the occurrence of different serovars of Salmonella enterica and phagotypes of S. enterica serovar Enteritidis in eggs destined for human consumption. Four thousand eggs obtained fro...
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