Passive immunity in calf diarrhea: vaccination with K99 antigen of enterotoxigenic Escherichia coli and rotavirus
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چکیده
منابع مشابه
Passive immunity in calf diarrhea: vaccination with K99 antigen of enterotoxigenic Escherichia coli and rotavirus.
Twenty-four pregnant cows were vaccinated intramuscularly with K99 extract from enterotoxigenic Escherichia coli and inactivated rotavirus as follows: six cows were injected with 2 ml of oil-adjuvanted vaccine; six cows were injected with 0.5 ml of oil-adjuvanted vaccine; six cows were injected with 4 ml of aluminum hydroxide-adjuvanted vaccine twice with a four-week interval; and six cows were...
متن کاملPassive immunity in cattle against enterotoxigenic Escherichia coli: serologic evaluation of a bacterin containing K99 and F41 fimbriae in colostrum of vaccinated females and calf serum
A bacterin from enterotoxigenic Escherichia coli (ETEC), containing fimbriae K99 and F41, was produced and its capacity to induce anti-K99 and anti-F41 antibodies in colostrum of vaccinated cows and in calf serum, and the persistence of these antibodies in neonates were determined. Three experiments were performed on two commercial farms. In all experiments animals were allotted randomly to the...
متن کاملPassive protective effect of anti-K99 antibodies against enterotoxigenic E.coli infection in neonatal calves
BACKGROUND: BACKGROUND: Enterotoxigenic Escherichia coli (ETEC) is the main causative agents of neonatal calf diarrhea. Passive transfer of antibodies that is derived from the dams of the calves through their colostrum plays an important role in disease prevention. OBJECTIVES: To determine the presence of natural specific antibodies against K99 antigen in dam’s serum and colostrum as well as in...
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Background: Foodborne infection caused by EnterotoxigenicEscherichia coli (ETEC) and Enteropathogenic Escherichia coli (EPEC) is one of the major health problems, particularly in the developing countries. Therefore, it is vital to identify the origin of food contamination to plan control strategies efficiently. Method: A tota...
متن کاملEnterotoxigenic Escherichia coli: traveler's diarrhea comes home.
The article in this issue of Clinical Infectious Diseases by Beatty et al. [1] on an outbreak of diarrhea due to enterotoxi-genic Escherichia coli (ETEC) further documents the emergence of ETEC as a significant diarrheal pathogen in the United States. The main contribution of the article by Beatty and colleagues is that it describes one of the largest foodborne outbreaks ever reported in the Un...
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ژورنال
عنوان ژورنال: Infection and Immunity
سال: 1982
ISSN: 0019-9567,1098-5522
DOI: 10.1128/iai.37.2.586-591.1982