Pathological Changes in the Small Intestine of Neonatal Calves with Enteric Colibacillosis
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چکیده
منابع مشابه
Prevention of experimentally induced enteric colibacillosis in newborn calves.
Severe enteric colibacillosis, characterized by profuse watery diarrhea, dehydration, apathy, hypothermia, and inability to stand, was produced in seven of eight newborn, colostrum-fed calves from nonvaccinated dams after oral challenge of calves with 10(11) viable cells of Escherichia coli strain B44. Twenty-nine of 32 calves from dams vaccinated with various preparations of E. coli strain B44...
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Food intake of rats increases during pregnancy. This requires changes in the structure of the small intestine to absorb additional food. The aim of the present study was to investigate the morphological changes in the layers of small intestine in rats during pregnancy. Duodenum, jejunum and ileum of 18 pregnant Sprague-Dawley rats (day 7, 14 and 21 of pregnancy) were collected. Villous height a...
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The present study investigated the effect of heat-treated colostrum feeding on the bacterial colonization in calf small intestine of neonatal calves within the first 12h of life. Newborn Holstein bull calves (n=32) were assigned to 3 treatment groups and fed with either fresh colostrum (FC, n=12) or heat-treated (60°C, 60 min) colostrum (HC, n=12) soon after birth, whereas the control (NC, n=8)...
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Colibacillosis is considered as one of the most important problems faced in livestock production, causing great economic losses. Calves become exposed to pathogenic E. coli in the environment when other infected or carrier calves and cows shed the bacteria in the feces. Diagnosing of E. coli infection in calves depends on an accurate history, clinical signs, culture of internal organs for bacte...
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The pathology of calves that died from experimental water intoxication was investigated. Oedema of the brain and urinary bladder, and renal damage were significant pathological findings in these calves. The findings were attributed to positive water balance in calves suffering from water intoxication.
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ژورنال
عنوان ژورنال: Veterinary Pathology
سال: 1978
ISSN: 0300-9858,1544-2217
DOI: 10.1177/030098587801500111