|
|
| (2 intermediate revisions by the same user not shown) |
| Line 1: |
Line 1: |
| − | * A syndrome with many causes.
| + | #REDIRECT [[Undifferentiated Neonatal Calf Diarrhoea]] |
| − | | |
| − | =====Clinical=====
| |
| − | | |
| − | * Is seen mostly in calves between 1 and 28 days old.
| |
| − | * Known as "white scour".
| |
| − | * Has a high morbidity in calves that are doing well and feeding well.
| |
| − | * Large amounts of milk coloured [[Intestine Diarrhoea - Pathology|diarrhoea]].
| |
| − | ** Tends to cover all over tail and hindquarters.
| |
| − | *** Often produces skin sores.
| |
| − | * Condition is lost quite quickly, and a high mortality may be caused.
| |
| − | | |
| − | =====Pathogenesis=====
| |
| − | | |
| − | * Certain conditions predispose calves to undifferentiated neonatal calf [[Intestine Diarrhoea - Pathology|diarrhoea]].
| |
| − | ** Stress
| |
| − | ** Insufficient colostrum
| |
| − | ** Cold milk
| |
| − | ** Mixing strange calves together after separating from mother.
| |
| − | | |
| − | | |
| − | * A mixture of viruses and bacteria are involved, some more commonly than others.
| |
| − | ** Undifferentiated neonatal calf [[Intestine Diarrhoea - Pathology|diarrhoea]] is, however, '''a primarily viral disease'''.
| |
| − | ** Some of the agents below are also found also in perfectly normal calves.
| |
| − | *** Other viruses not listed are also probably involved.
| |
| − | *** The exact cause is not always important, since are cases all treated in the same way.
| |
| − | | |
| − | | |
| − | {| border="1" cellspacing="0" cellpadding="5" align="center"
| |
| − | ! Virus
| |
| − | ! % Cases
| |
| − | ! Bacterium
| |
| − | ! % Cases
| |
| − | |-
| |
| − | | [[Reoviridae#Rotaviruses|Rotavirus]]
| |
| − | | 40%
| |
| − | | [[Cryptosporidium|Cryptosporidium]]
| |
| − | | 20%
| |
| − | |-
| |
| − | | [[Coronaviridae|Coronavirus]]
| |
| − | | 20%
| |
| − | | [[Escherichia coli|Enterotoxigenic E.Coli]]
| |
| − | | 20%
| |
| − | |-
| |
| − | | [[Herpesviridae|Infectious bovine rhinotracheitis virus]]
| |
| − | | 4%
| |
| − | | [[Campylobacter species|Campylobacter]]
| |
| − | | 30-40%
| |
| − | |-
| |
| − | | [[Caliciviridae|Calici-]], [[Parvoviridae|parvo-]], [[Adenoviridae|adeno-]], viruses
| |
| − | | 1% each
| |
| − | |
| |
| − | |
| |
| − | |-
| |
| − | |}
| |
| − |
| |
| − | | |
| − | * The condition has a very characteristis appearance on post mortem examination.
| |
| − | ** The intestine is filled with gas and foam, and possibly flakes of milk.[[Category:Enteritis,_Catarrhal]][[Category:Enteritis, Viral]][[Category:Cattle]]
| |