PMID: 44258Jan 1, 1979

Losses in milking qualities of dairy cattle caused by mosquitoes and horseflies and reduction of such losses due to use of diethyltoluamide repellent

Folia Parasitologica
J MinárZ Lamatová


An experiment was carried out in South Bohemia, in which 10% water emulsion of diethyltoluamide was used as repellent against bloodsucking Diptera to protect pastured dairy cattle. The repellent was applied by means of a spraying frame and was effective for 30-36 hours. Seven mosquito species and 18 horsefly species were observed to be attacking the cattle. The average number being 120-300 mosquitoes and 50 horseflies per hour, the milking qualities in the cattle decreased by 6.2%, the milk fat content by 11.8%. After converting to milk with average fat content of 4%, the difference in milking qualities between treated and untreated animals was 9.7%.

Related Concepts

Cattle Diseases
Insect Sting
Cattle for milk production
DEET, 2,5-di-Me-Analog
Aerosol Dose Form
Insect Repellents

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