Staff Publications

Staff Publications

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    'Staff publications' is the digital repository of Wageningen University & Research

    'Staff publications' contains references to publications authored by Wageningen University staff from 1976 onward.

    Publications authored by the staff of the Research Institutes are available from 1995 onwards.

    Full text documents are added when available. The database is updated daily and currently holds about 240,000 items, of which 72,000 in open access.

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Record number 426007
Title Lungworm outbreaks in adult dairy cows: estimating economic losses and lessons to be learned
Author(s) Holzhauer, M.; Schaik, G. van; Saatkamp, H.W.; Ploeger, H.W.
Source Veterinary Record 169 (2011)19. - ISSN 0042-4900
Department(s) Business Economics
Publication type Refereed Article in a scientific journal
Publication year 2011
Keyword(s) virus serotype 8 - dictyocaulus-viviparus - cattle - infection - resistance - mastitis - immunity - costs - herds
Abstract Two lungworm outbreaks in dairy herds were investigated in order to estimate the resulting economic costs. On the two farms, with 110 and 95 cows, total costs were estimated at (sic)159 and (sic)167 per cow, respectively. Overall, milk production reduced by 15 to 20 per cent during the outbreaks. Five cows died on one farm, while on the other farm seven cows died as a result of the lungworm outbreak. On one farm, 51.7 per cent of the total costs was due to reduced milk production and 33.1 per cent was due to disposal of dead animals. On the other farm, it was 36.3 and 50.9 per cent, respectively. The remaining 13 to 15 per cent of the total costs were due to extra inseminations, laboratory diagnosis and treatments. The history and development of the outbreaks are described. One lesson from these outbreaks is that recognising that potentially lungworm-naive animals are to be introduced into the adult herd allows for timely measures (for example, vaccination) to prevent a lungworm outbreak.
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