| seasonal prevalence of ticks and their association with dermatophilosis in cattle on the accra plains of ghana. | the seasonal abundance of adult ticks on cattle and their association with dermatophilosis were investigated in five herds on the coastal plains of ghana over a 26-month period. four genera, amblyomma, boophilus, rhipicephalus and hyalomma were identified, a. variegatum being the predominant species occurring throughout the year with two peaks of infestation, one in april-may and the other in november. a significant positive correlation was revealed between a. variegatum and dermatophilosis in f ... | 1994 | 7863064 |