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The development and survival of L3 of Cooperia oncophora, under environmental conditions of dry pastures in the Spanish middle-west (Salamanca province) were studied. The autumn-winter infestations produce the prevailing pattern of transmission. Contamination of pastures can reach in those seasons...

Ramajo-Martín, R.
Medicina Veterinaria, 1988, 5, 9, pp 407-410