Bioefficacy of flocoumafen waxblock baits against rats in sugarcane

Abstract

A new second generation anticoagulant, flocoumafen, formulated as waxblock bait (FWB) containing 0.005% a.i. was evaluated against rats in sugarcane along with a reference rodenticide, warfarin (WARF), a first generation anticoagulant. The latter was prepared as rice bait in packets containing 0.025% a.i. named "ago-go" bait. Unbaited plots (UnB) served as reference. The study was conducted in the Victorias Milling Company district in Negros, Philippines from February to June 1997. Baiting with FWB at 1.8 kg/ha/season applied 5 times, starting with 6- to 7-month-old canes then monthly thereafter until the 10th or 11th month, provided very good protection on the standing cane crops. Significantly higher (α=.01) rat-damaged cane stalks were observed at harvest in UnB (12.9%) and in WARF-treated plots (11%) compared to plots with FWB (3.8%). This means that baiting with the reference rodenticide at the rate and frequency used in this study was not as efficient as flocoumafen in reducing rodent losses in sugarcane.

Source or Periodical Title

Philippine Agricultural Scientist

ISSN

317454

Page

94-100

Document Type

Article

Subject

Anticoagulant, Control rats, Flocoumafen, Philippine rats, Rodenticide baiting, Rodents, Sugarcane, Warfarin

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