A questionnaire survey on nematode control practices on horse farms in Denmark and the existence of risk factors for the development of anthelmintic resistance.
Abstract: A questionnaire survey to obtain information on endoparasite control practices and management on 68 Danish horse farms was undertaken in 1995. The study revealed that foals, young horses and adults were on average, annually treated 4.3, 4.0 and 3.7 times, respectively. The most commonly used drug from 1993-1995 was ivermectin. On average 2.4 different drugs were used annually. The most used method of weight estimation was eye measure: for foals by 78%, for youngsters by 81% and adults by 82% of the herd owners. The most commonly used weight in the dosing of anthelmintics was individual weights of the horse: 72% of the herd owners dosed their foals this way. 76% their youngsters and 75% their adults. Sixty two percent of the herd owners treated at turn out, 47% at housing, 57% treated when buying new horses, 26% treated when stabling visiting horses, 78% applied pasture change and 18% performed alternate/mixed grazing. Sixty one percent of the herds had experienced problems with diarrhoea and in 18% of the cases the suspected cause was considered to be endoparasites. 33% of the farms performed disease registration and on 25% Faecal Egg Count Reduction tests had been performed before entering this study. The herd owners obtained their formation about endoparasite control from veterinarians, meetings and papers in that order of importance.
Publication Date: 1998-08-15 PubMed ID: 9703619DOI: 10.1016/s0304-4017(98)00117-4Google Scholar: Lookup
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- Journal Article
- Research Support
- Non-U.S. Gov't
Summary
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The abstract discusses a study which analyzed endoparasite control measures and management techniques implemented on horse farms in Denmark. The survey revealed different types of drugs used, frequency of treatments, methods of weight estimation and occurrences of diarrhea suspected to be caused by endoparasites.
Survey Scope and Design
- The research was conducted in Denmark in 1995, gathering data from 68 horse farms.
- The study was designed as a questionnaire survey. Through this method, the researchers obtained information about the common practices used on these farms to control endoparasites in horses.
- The survey also examined management techniques implemented on these farms, making it a comprehensive study of the factors that may influence endoparasite infestation.
Treatment Frequency and Types of Drugs Used
- The researchers found that on an annual basis, foals, young horses and adults were treated with anthelmintic drugs around four times. Foals received treatment 4.3 times a year, young horses 4.0, and adult horses 3.7 times.
- Ivermectin was identified as the most commonly used drug in the years 1993-1995. On average, 2.4 different drugs were used yearly on each farm.
Weight Estimation and Dosing Methodology
- The survey revealed that the eye measurement method was the most popular for estimating the weight of horses. This method was used by 78% of herd owners for foals, 81% for young horses and 82% for adults.
- When administering doses of anthelmintics, individual weights of the horses were used by a significant majority of herd owners – 72% for foals, 76% for young horses and 75% for adults.
Management Practices
- The study also shed light on various management practices such as treatment at turnout (62% of herd owners), treatment at housing (47%), and treatment when adding new horses to the herd (57%).
- About 26% of the herd owners treated their horses when stabling visiting horses.
- 78% of the herd owners applied pasture change as a preventative measure, and 18% practiced alternate or mixed grazing.
Incidence of Diarrhoea and Other Information Sources
- Diarrhoea, suspected to be caused by endoparasites, was reported by 61% of the herds, and in 18% of these cases, endoparasites were suspected to be the cause.
- One-third of the farms kept records of diseases, and one-fourth had performed Faecal Egg Count Reduction tests before partaking in this study.
- Herd owners predominantly sourced their information about endoparasite control from veterinarians, followed by meetings and papers.
Cite This Article
APA
Lendal S, Larsen MM, Bjørn H, Craven J, Chriél M, Olsen SN.
(1998).
A questionnaire survey on nematode control practices on horse farms in Denmark and the existence of risk factors for the development of anthelmintic resistance.
Vet Parasitol, 78(1), 49-63.
https://doi.org/10.1016/s0304-4017(98)00117-4 Publication
Researcher Affiliations
- Division of Ethology & Health, Royal Veterinary and Agricultural University, Frederiksberg, Denmark.
MeSH Terms
- Animal Husbandry / methods
- Animals
- Animals, Domestic
- Anthelmintics / pharmacology
- Anthelmintics / therapeutic use
- Denmark
- Drug Resistance
- Horse Diseases / prevention & control
- Horses
- Nematoda / drug effects
- Nematode Infections / prevention & control
- Nematode Infections / veterinary
- Reproducibility of Results
- Risk Factors
- Surveys and Questionnaires
Citations
This article has been cited 7 times.- Sallé G, Cortet J, Bois I, Dubès C, Guyot-Sionest Q, Larrieu C, Landrin V, Majorel G, Wittreck S, Woringer E, Couroucé A, Guillot J, Jacquiet P, Guégnard F, Blanchard A, Leblond A. Risk factor analysis of equine strongyle resistance to anthelmintics.. Int J Parasitol Drugs Drug Resist 2017 Dec;7(3):407-415.
- Hinney B, Wirtherle NC, Kyule M, Miethe N, Zessin KH, Clausen PH. A questionnaire survey on helminth control on horse farms in Brandenburg, Germany and the assessment of risks caused by different kinds of management.. Parasitol Res 2011 Dec;109(6):1625-35.
- Nielsen MK. Restrictions of anthelmintic usage: perspectives and potential consequences.. Parasit Vectors 2009 Sep 25;2 Suppl 2(Suppl 2):S7.
- von Samson-Himmelstjerna G, Traversa D, Demeler J, Rohn K, Milillo P, Schurmann S, Lia R, Perrucci S, di Regalbono AF, Beraldo P, Barnes H, Cobb R, Boeckh A. Effects of worm control practices examined by a combined faecal egg count and questionnaire survey on horse farms in Germany, Italy and the UK.. Parasit Vectors 2009 Sep 25;2 Suppl 2(Suppl 2):S3.
- Corning S. Equine cyathostomins: a review of biology, clinical significance and therapy.. Parasit Vectors 2009 Sep 25;2 Suppl 2(Suppl 2):S1.
- Lind EO, Rautalinko E, Uggla A, Waller PJ, Morrison DA, Höglund J. Parasite control practices on Swedish horse farms.. Acta Vet Scand 2007 Sep 26;49(1):25.
- Larsen MM, Lendal S, Chriél M, Olsen SN, Bjørn H. Risk factors for high endoparasitic burden and the efficiency of a single anthelmintic treatment of Danish horses.. Acta Vet Scand 2002;43(2):99-106.
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