Results 111 to 120 of about 5,783 (241)

GENETIC AND ENVIRONMENTAL FACTORS INFLUENCING THE RESISTANCE OF TERMINAL CROSS CALVES TO TICK Rhipicephalus (Boophilus) microplus AND HORN FLY Haematobia irritans

open access: yesTropical and Subtropical Agroecosystems, 2011
One of the main problems affecting cattle production in tropical regions is infestation by ectoparasites, particularly the tick Rhipicephalus (Boophilus) microplus and the horn fly Haematobia irritans.
César E. Rodríguez-Gallegos   +1 more
doaj  

Flutuação populacional de muscídeos (Diptera, Muscidae) simbovinos e sua distribuição sobre o corpo do gado de leite, em Capão do Leão, RS, Brasil Fluctuation of symbovine muscids (Diptera, Muscidae) and their distribution on the bodies of dairy cattle in Capão do Leão, RS, Brazil

open access: yesCiência Rural, 2010
Este estudo teve como objetivo conhecer as espécies de muscídeos simbovinos e a área de eleição destas sobre o corpo do bovino de leite. Também estimou-se a flutuação populacional das espécies de moscas, relacionando-a com as médias mensais de ...
Cristine Ramos Zimmer   +2 more
doaj   +1 more source

Efeito da infestação por Haematobia irritans no peso corporal de novilhos da raça Ibagé no RS. [PDF]

open access: yes, 2012
bitstream/item/63770/1/cr20-2001 ...
ALVES-BRANCO, F. de P.   +2 more
core  

Dinámica poblacional de haematobia irritans en bovinos del trópico Méxicano

open access: yesRevista Científica, 2007
En este estudio se evaluó la fluctuación en la población de Haematobia irritans de febrero 2004 a febrero 2005, en Martínez de la Torre, Veracruz, México. Se utilizaron 15 vaquillas F1 (Holstein por Brahman) de 11 Ó 2 meses de edad y 170 Ó 19 kg de peso, infestadas en forma natural por la H. irritans.
Miguel Ángel Alonso-Díaz   +4 more
openaire   +3 more sources

Karyotype of the Horn Fly, Haematobia irritans(L.)(Diptera, Muscidae).

open access: yesCYTOLOGIA, 1994
The karyotype of Haematobia irritans is reported along with data on nucleolar organizer regions (NORs). The karyotype (2n=10) is characterized by the presence of 3 metacentric and 2 submetacentric pairs and the absence of heteromorphic chromosomes. One of the submetacentric pairs seems to present a pericentromeric NOR.
Rita M. P. Avancini   +1 more
openaire   +2 more sources

Lesions in cattle leather caused by the main ectoparasites in Northwest of Paraná State and Southwest of Mato Grosso state /
Lesões no couro bovino causadas pelos principais ectoparasitas nas regiões noroeste do estado do Paraná e sudoeste do estado do Mato Grosso

open access: yesSemina: Ciências Agrárias, 2000
This work evaluates the lesions caused by ectoparasites like Boophilus microplus, Dermatobia hominis, Haematobia irritans in cattle leather, in tanning industry.
Milton Hissashi Yamamura   +2 more
doaj   +1 more source

Scarabaeoidea (Insecta : Coleoptera) in the Brazilian Cerrado : current state of knowledge [PDF]

open access: yes, 2014
Besouros pertencentes à superfamília Scarabaeoidea ocupam habitats variados, possuem hábitos alimentares diversifi cados, desempenham importante papel ecológico e diversas espécies apresentam importância agrícola.
ABOT A.R.   +71 more
core   +3 more sources

Sazonalidade da mosca-dos-chifres, Haematobia irritans, no semiárido brasileiro. [Seasonality of horn flies (Haematobia irritans) in the Brazilian semi-arid.]

open access: yes, 2022
ABSTRACT.The horn fly (Haematobia irritans) is a major livestock pest in Brazil. Despite of the regional needs, no studies assessing its importance and subsidizing its control are available for the Brazilian northeast. The present study aimed to know the population dynamics and determine the infestation levels of H.
MEDEIROS, M.A.   +5 more
openaire   +1 more source

Larvicidal activity of Bacillus thuringiensis subsp. israelensis in the dipteran Haematobia irritans [PDF]

open access: yesApplied and Environmental Microbiology, 1984
A strain of Bacillus thuringiensis subsp. israelensis was found to be larvicidal to horn flies, Haematobia irritans (L. [Diptera:Muscidae]). The toxic activity was particulate, appeared during sporulation, and could be prevented by the addition of streptomycin before sporulation.
openaire   +2 more sources

Estudo comparativo entre técnicas de extração de DNA para o futuro diagnóstico do endossimbionte Wolbachia em Haematobia irritans. [PDF]

open access: yes, 2016
Editores técnicos: João de Mendonça Naime, Caue Ribeiro, Maria Alice Martins, Elaine Cristina Paris, Paulino Ribeiro Villas Boas, Ladislau Marcelino ...
BILHASSI, T. B.   +5 more
core  

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