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Management and control of parasites on dairy farms in northwestern region of São Paulo state

Autores
Cecília José Veríssimo; Flávia Vasques; Keila Maria Roncato Duarte; Valdinei Tadeu Paulino; Luis Alberto Ambrósio

Resumo

Dairy cattle farming is of great economic and social importance in all Brazilian’s regions. Parasites can reduce milk productivity, especially the tick Rhipicephalus (Boophilus) microplus. This study consisted of a questionnaire answered by 40 milk producers in the northwestern region of the State of São Paulo. The aim was to ascertain how these producers controlled ticks and other parasites. Very many of them knew nothing about the biological cycle of the cattle tick or about strategic control or acaricide efficacy tests. The majority (87.5%) controlled ticks at a high frequency, without technical criteria and care to apply the acaricide. Spraying was the most used mode of acaricide application (95%) and endectocides were used by 45%. Cattle tick fever was the harm most associated with ticks (87.5%) followed closely by screwworm (77.5%). However, 65% were satisfied with their tick control. About the control of others parasites, all dewormed at least twice a year their animals; 65% were controlling horn fly; 40% had problems with screwworm. The interviewers had in general good level of education and the farms generally exhibited a high degree of technology
for milk production on pasture because half of them received technical assistance frequently.

Keywords: Cattle, milk, production, questionnaire, sustainable, tick.

Fonte: Revista Brasileira de Parasitologia Veterinária, v.25, n.3, p.1-11, 2016.

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