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In Central America, the economic loss in cattle infested with D. hominis and ticks can be over $60 per animal. An intensive campaign against these parasites would cost an estimated $4.5-5 per animal yearly. The author carried out trials with 4 parasiticides in a small number of cattle in Costa...

Müller, O.
Informe a los Gob-iernos de Costa Rica, El Salvador, Guatemala, Honduras, Mexico, Nicaragua y Venezuela sobre lucha contra el torsalo (Dennatobia hominis L.) y las garrapatas (Boophilus spp. y Amblyomma spp.) en Centroamerica., 1962, pp 16 pp.