Variation in population density of horn flies (Haematobia irritans irritans) (L.) (Diptera: Muscidae) in Nellore cattle (Bos indicus).
Vet Parasitol
; 117(4): 309-14, 2003 Nov 28.
Article
em En
| MEDLINE
| ID: mdl-14637033
The population density of horn flies was evaluated in the year 1998 in the municipality of Araçatuba, São Paulo Brazil, in relation to temperature and rainfall conditions. Two lots of 30 Nellore steers (Bos indicus) were used which had no insecticidal treatment and were naturally infested with horn flies. The infestations were assessed by two counting methods, i.e., the traditional estimate method and the filming method. The highest fly frequencies were recorded in spring, summer, autumn and the lowest frequencies were recorded in winter. The increase in fly number was positively correlated (P<0.05) with rainfall.
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Coleções:
01-internacional
Base de dados:
MEDLINE
Assunto principal:
Muscidae
/
Doenças dos Bovinos
/
Ectoparasitoses
Limite:
Animals
País/Região como assunto:
America do sul
/
Brasil
Idioma:
En
Revista:
Vet Parasitol
Ano de publicação:
2003
Tipo de documento:
Article
País de afiliação:
Brasil
País de publicação:
Holanda