منابع مشابه
Analysis of body measurements of newborn purebred Belgian Blue calves.
At calving, purebred animals of the Belgian Blue (BB) breed are compromised by the incompatibility in size and shape of the dam and her calf, resulting in a very high incidence of dystocia problems. To clarify which body parts of the calf are of decisive importance to allow natural delivery and to investigate both the mean value as well as the variation among these body sizes within this breed ...
متن کاملOccurrence of congenital cerebral theileriosis in a newborn twin Holstein calves in Iran: Case report
An 8-day-old newborn female twin Holstein calves with a history of weakness, anorexia, emaciation and convulsion were presented to Tabriz University Veterinary Teaching Hospital. On admission, the calves were febrile and recumbent. Physical examination revealed many ticks from the external body surface of the animals, right and left prescapular lymphadenopathy, severe opisthotonos, nystagmus, p...
متن کاملVasomotor responses in the hindlimb of newborn calves.
The reflex control of the hindlimb circulation was examined in 9 newborn calves under chloralose anesthesia by measuring iliac arterial pressure-flow curves. Asphyxia always caused vasoconstriction which was abolished or greatly reduced by sciatic nerve section. Vasomotor tone was present a few hours from birth, as shown by an increase in flow on sciatic nerve section and by drug action. It is ...
متن کاملPrevention 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...
متن کاملCharacterization of Escherichia coli obtained from newborn calves with diarrhea.
A total of 373 isolates of Escherichia coli were obtained from one or more calves with diarrhea in 155 herds during the 1974 calving season in Montana. Sixty-seven (18 percent) of the isolates representing 59 of the 155 herds were found to be enterotoxigenic as indicated by their ability to cause distention of the calf ligated intestinal segment. The 67 isolates of enterotoxigenic E. coli (ETEC...
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ژورنال
عنوان ژورنال: The Japanese Journal of Veterinary Science
سال: 1982
ISSN: 0021-5295,1881-1442
DOI: 10.1292/jvms1939.44.801