[Two years BVD ear notch samples diagnostics--results from 16 districts of Lower Saxony].

Autor:	Brackmann J; LUFA Nord-West, Institut für Tiergesundheit, Oldenburg. silke.amelung@lufa-nord-west.de, Amelung S; LUFA Nord-West, Institut für Tiergesundheit, Oldenburg., Haas L; Institut für Virologie, Stiftung Tierärztliche Hochschule Hannover., Kreienbrock L; Institut für Biometrie, Epidemiologie und Informationsverarbeitung, WHO-Centre for Veterinary Public Health, Stiftung Tierärztliche Hochschule Hannover.
Jazyk:	němčina
Zdroj:	Berliner und Munchener tierarztliche Wochenschrift [Berl Munch Tierarztl Wochenschr] 2014 Jan-Feb; Vol. 127 (1-2), pp. 19-27.
Abstrakt:	Since June 1st 2010 all calves in Lower Saxony are tested by ear notch samples for the presence of Bovine Virus Diarrhea (BVD) Virus based on the Lower Saxony BVDV-regulation. Since January 1st 2011 the new German BVDV-act requires an examination of the calves in the first 6 months of their life. In the Institute for Animal Health of LUFA Nord-West 1000-2000 ear notch samples originating from 16 rural districts are tested daily. In the period from June 1st 2010 to May 31st 2012 a total of 524,214 tissue samples were examined by an antigen ERNS ELISA. In case of low positive results the tests were verified by PCR. 2454 ear notch samples (0.47%) were from persistently with BVDV infected calves (PI-calves) coming from 763 farms (10.2% of the participating farms). In the first seven months of the eradication program 0.75% of the tested samples were positive. This number decreased in the year 2011 to 0.52%. In the first 5 months of 2012, only 0.18% of the ear notch samples tested positive.
Databáze:	MEDLINE
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