Abstract |
An investigation was conducted into a severe flea infestation on dairy calves. Inspection of the dairy revealed a high infestation of Ctenocephalides felis felis on four calves and thousands of fleas in the stable where cows and calves were brought in for milking. A 3-month-old female calf was highly infested with fleas. The animal showed an evident lethargy, weight loss, as well as pale mucous membranes and dehydration. Hematological analysis revealed anemia, with 10% packed cell volume and a 1.72 x 10(6) microl(-1) erythrocyte count. Blood transfusions were performed and the flea infestation was controlled with 1% fipronil pour-on (1 ml/10 kg). The farmer was advised to treat the other calves with fipronil, remove the manure from the stable and spread 1% propoxur powder (100 g/m2) onto the floor of the stable.
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Authors | F R Araújo, M P Silva, A A Lopes, O C Ribeiro, P P Pires, C M Carvalho, C B Balbuena, A A Villas, J K Ramos |
Journal | Veterinary parasitology
(Vet Parasitol)
Vol. 80
Issue 1
Pg. 83-6
(Dec 15 1998)
ISSN: 0304-4017 [Print] Netherlands |
PMID | 9877075
(Publication Type: Journal Article)
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Chemical References |
- Insecticides
- Pyrazoles
- Propoxur
- fipronil
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Topics |
- Animal Husbandry
- Animals
- Blood Transfusion
(veterinary)
- Brazil
- Cattle
- Cattle Diseases
(drug therapy, parasitology)
- Ectoparasitic Infestations
(drug therapy, parasitology, veterinary)
- Erythrocyte Count
(veterinary)
- Female
- Insect Control
- Insecticides
(therapeutic use)
- Male
- Propoxur
- Pyrazoles
(therapeutic use)
- Siphonaptera
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