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1.
Tijdschr Diergeneeskd ; 127(11): 366-9, 2002 Jun 01.
Article in Dutch | MEDLINE | ID: mdl-12073784

ABSTRACT

Since 1999 18 cows with 'crampiness' were presented for clinical inspection. Most animals were called upon because of clinically 'suspected BSE' by the local veterinary practitioner. The clinical picture of the disease and the differences with BSE are discussed.


Subject(s)
Behavior, Animal , Encephalopathy, Bovine Spongiform/diagnosis , Encephalopathy, Bovine Spongiform/physiopathology , Animals , Cattle , Diagnosis, Differential , Disease Notification , Female , Food Contamination , Netherlands , Zoonoses
2.
Vet Rec ; 140(4): 90-2, 1997 Jan 25.
Article in English | MEDLINE | ID: mdl-9032909

ABSTRACT

The purpose of this study was to assess the probability that the introduction of one or more bovine herpesvirus 1 (BHV-1)-seropositive animals would result in the bulk milk of a clean herd becoming BHV-1-positive. Probability calculations (stochastic and deterministic) were based on the distribution of the log(titre) of 828 positive animals and the daily milk production of the herds and of the individual cows. They showed that the probability in average sized herds of 45 dairy cows is only between 10 and 25 per cent and that even in small herds of 25 cows the introduction of a positive animal would go undetected in the majority of cases. It is concluded that if the bulk milk has become BHV-1-positive it is most likely that the infection has spread.


Subject(s)
Antibodies, Viral/analysis , Herpesvirus 1, Bovine/immunology , Infectious Bovine Rhinotracheitis/diagnosis , Infectious Bovine Rhinotracheitis/immunology , Milk/immunology , Animals , Cattle , Enzyme-Linked Immunosorbent Assay/veterinary , Female , Milk/microbiology , Probability
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