Control of the cattle tick (Boophilus microplus Canestrini): efficiency of a compound of the benzoilphenylureia group

Authors

  • Izone I. Correa Ciba Geigy Química S/A
  • João Batista Pereira de Carvalho Instituto de Zootecnia; Estação Experimental de Zootecnia de Pindamonhangaba, SP
  • Pedro Biondi Instituto de Zootecnia; Estação Experimental de Zootecnia de Pindamonhangaba, SP
  • Maria Inês de Aquino Barbosa Instituto de Zootecnia; Estação Experimental de Zootecnia de Pindamonhangaba, SP
  • Guilherme Paes Guaragna Instituto de Zootecnia; Estação Experimental de Zootecnia de Pindamonhangaba, SP

Keywords:

boophilus microplus, benzoilphenylureia, tick, control

Abstract

The efficiency of CGA 157€™419, a compound of the benzoilphenylureia group, was tested at Experimental Station in Pindamonhangaba, SP. €˜The benzoilphenylureias are selective inseticides of gastric action, which act by inhibition of chitin deposition. Forty milking heifers 18 to 24 months old were selected and infested artificially on a weekly basis with larvae of 200mg of eggs during the three weeks preceding the trial. On the fourth week (day 0), all heifers were weighed and distributed into ten blocks according to decreasing tick counts. Each of these 4 animals were treated at random as follows: A - CGA 157€™419 at 1,0mg/kg of body weight subcutaneously; B - CGA 157€™419 at 2,0mg/kg of body weight subcutaneously; C - Cipermetrina high cis by pulverization at 100ppm; D - Control group (no treatment). To evaluate the residual effect of the tickcides, weekly tick infestations were done immediately after each treatment during 35 days. The results permit confirmation that the product CGA 157€™419, when applied at dosage of 2,0mg/kg body weight exerts good efficacy (‰¥ 84.5%) on tick newly infested and with 7 days of parasitism and strong residual action in the control of female Boophilus microplus infested until 35 days after aplication (‰¥ 88.7%). The product€™s action and inhibiting egg laying may reach 100% efficiency when applied to female ticks of up to 14 days infestation.

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Published

2014-01-14

Issue

Section

ANIMAL HEALTH

How to Cite

Control of the cattle tick (Boophilus microplus Canestrini): efficiency of a compound of the benzoilphenylureia group. (2014). Bulletin of Animal Husbandry, 50(2), 93-100. http://35.198.24.243/index.php/bia/article/view/833

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