00762nam a2200145 a 450000100080000000500110000800800410001910000180006024500970007826000640017550001240023952002160036365300200057965300170059919527772013-03-12       2011    bl uuuu     u00u1 u    #d1 aKOLLER, W. W.  aOutsourcing in cattle ectoparasite control - a promising opportunity.h[electronic resource]  aBiológico, São Paulo, v.73, n.2, p.51-53, jul./dez.c2011  aEdição dos trabalhos do:7th International conference on urban pests. Updates on urban pest control. Ouro Preto, 2011.  aRecords of the occurrence of resistant populations of cattle parasites are becoming increasingly frequent in different regions of the country. These reports refer in general to the horn fly, Haematobia irritans.  aBovino de corte  aEctoparasita