Validation of a national disease recording system for dairy cattle against veterinary practice records

Mörk, Marie Jansson; Wolff, Cecilia; Lindberg, Ann; Vågsholm, Ivar; Egenvall, Agneta

doi:10.1016/j.prevetmed.2009.09.016

Cited by 25 publications

(30 citation statements)

References 30 publications

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“…3). These findings are in agreement with those of Mörk et al (2010) who found that the completeness of veterinary registered diagnostic events in the SOMRS database varied between regions.…”

Section: Discussionsupporting

confidence: 93%

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Spatial patterns of recorded mastitis incidence and somatic cell counts in Swedish dairy cows: implications for surveillance

et al. 2011

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Abstract. Clinical mastitis (CM) is the most common veterinary treated disease in Swedish dairy cattle. To investigate if the distribution of veterinary registered cases of CM in Sweden follows that of the spatial distribution of cows with high somatic cell counts (SCCs), the spatial distribution of CM odds was estimated from available records and compared with udder health measures based on measurements of SCC derived from official milk recording. The study revealed areas with significantly lower odds for CM but with a high proportion of cows with a poor udder health score, suggesting an under-reporting of CM. We also found areas of significantly higher odds for CM despite a low proportion of cows with a poor udder health score, suggestive of over-treatment of mastitis. The results should enable targeted studies of reasons for discrepancies, e.g. farmers' and veterinarians' attitudes to mastitis treatment and disease recording in areas with a deficit or excess of registered CM cases. High quality disease records for dairy cattle are of interest not only for the dairy management but also for disease surveillance, monitoring of use of antibiotics and food safety purposes.

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Section: Discussionsupporting

confidence: 93%

“…Earlier studies have shown that the SOMRS database does not include all clinical disease events nor all veterinary treated disease events applied to dairy cows (Mörk et al, 2009) and that the completeness of the disease information varies by geographic region (Mörk et al, 2010).…”

Section: Introductionmentioning

confidence: 99%

Spatial patterns of recorded mastitis incidence and somatic cell counts in Swedish dairy cows: implications for surveillance

et al. 2011

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“…When none of these breeds exceeded 75% of the cows in the herd, the breed was classified as mixed. Additionally, recorded data on veterinary use of antimicrobials during the 2 preceding years were collected from the dairy disease database (DDD) administered by Växa Sverige (Mörk et al, 2010).…”

Section: Data Obtained Via National Databasesmentioning

confidence: 99%

Risk factors for antimicrobial resistance in fecal Escherichia coli from preweaned dairy calves

Duse

Waller

Emanuelson

et al. 2015

Journal of Dairy Science

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The primary objective of this study was to investigate calf and farm factors associated with antimicrobial-resistant Escherichia coli in the feces of preweaned dairy calves in Sweden. In particular, we investigated the effects of feeding calves colostrum and milk from cows treated with antimicrobials. The secondary objective was to describe the prevalence of resistant E. coli in feces of preweaned dairy calves in Sweden. Fecal samples from 3 calves, aged 7 to 28d, from 243 farms were analyzed for the within-sample prevalence of E. coli resistant to nalidixic acid, streptomycin, and cefotaxime using selective agars supplemented with antimicrobials. In addition, resistance to 12 antimicrobials was tested in one randomly selected E. coli isolate per calf. Information was collected from the farmers via questionnaires regarding the use of colostrum and milk from cows treated with antimicrobials as calf feed and other uses of antimicrobials in the herd. Multivariable zero-inflated negative binomial and logistic regression models were used to assess the effect of various risk factors for shedding of resistant E. coli. Escherichia coli resistant to streptomycin, nalidixic acid, or cefotaxime were isolated from 90, 49, and 11% of the calves, respectively. Resistance to at least one antimicrobial was found in a random isolate of E. coli from 48% of the calves. Feeding colostrum from cows treated with antimicrobials at drying off did not affect the prevalence of resistant E. coli. In contrast, feeding milk from cows treated with antimicrobials during lactation resulted in significantly more nalidixic acid- and streptomycin-resistant E. coli than when such milk was discarded; no significant effect was seen for other resistance traits. Furthermore, an interaction was found between feeding milk from cows treated with antimicrobials and use of fluoroquinolones in cows. In general, the prevalence of resistance was lower for older calves and calves on small farms. Other factors that were associated with the shedding of resistant E. coli were administration of oral dihydrostreptomycin to calves, administration of systemic tetracycline and ceftiofur to cows and calves, housing of the calves, predominant breed of the herd, and geographic location of the farm. The presence of resistant E. coli in calves was clearly due to multiple factors, but minimizing the feeding of milk from cows treated with antimicrobials during lactation should lower the prevalence of resistant E. coli in the gastrointestinal tract of the calves.

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“…In some countries, such as those in Scandinavia, detailed records on disease treatments, reproduction, milk quality and production, etc. are maintained in a central data bases and can be used by the farmer and advisors [18,19]. In Norway, since 1975, each cow has its own health card, and the recording is considered very reliable.…”

Section: Actual Knowledge About the Herd And Farm Situation As Basis mentioning

confidence: 99%

Animal Health and Welfare Planning in Organic Dairy Cattle Farms

Vaarst¹

2011

TOVSJ

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Continuous development is needed within the farm to reach the goal of good animal health and welfare in organic livestock farming. The very different conditions between countries call for models that are relevant for different farming types and can be integrated into local practice and be relevant for each type of farming context. This article reviews frameworks, principles and practices for animal health and welfare planning which are relevant for organic livestock farming. This review is based on preliminary analyses carried out within a European project (acronym ANIPLAN) with participants from seven countries. The process begins with gathering knowledge about the current status within a given herd as background for making decisions and planning future improvements as well as evaluating already implemented improvements. Respectful communication between the owner of the herd and other farmers as well as animal health and welfare professionals (veterinarians and advisors) is paramount. This paper provides an overview of some current animal health and welfare planning initiatives and explains the principles of animal health and welfare planning which are being implemented in ANIPLAN partner countries, in collaboration with groups of organic farmers and organisations.

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Validation of a national disease recording system for dairy cattle against veterinary practice records

Cited by 25 publications

References 30 publications

Spatial patterns of recorded mastitis incidence and somatic cell counts in Swedish dairy cows: implications for surveillance

Spatial patterns of recorded mastitis incidence and somatic cell counts in Swedish dairy cows: implications for surveillance

Risk factors for antimicrobial resistance in fecal Escherichia coli from preweaned dairy calves

Animal Health and Welfare Planning in Organic Dairy Cattle Farms

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