Field efficacy of anticoagulant rodenticides against rat infestation in oil palm plantation

Ariff Ateed Mohd Noh, . and Muhammad Syafiq Mohd Zaludin, . and Wan Mohd Hafezul Wan Abdul Ghani, . and Abu Hassan Ahmad, . and Hasber Salim, . (2023) Field efficacy of anticoagulant rodenticides against rat infestation in oil palm plantation. Journal of Oil Palm Research (Malaysia), 35. pp. 365-375. ISSN 2811-4701

Field efficacy of anticoagulant rodenticides against rat infestation in oil palm plantation was carried out in a comparative study between five rodenticide baits. They were first-generation anticoagulant rodenticide baits, coumatetralyl, chlorophacinone and warfarin, and second-generation anticoagulant rodenticide baits, flocoumafen and brodifacoum. A control plot was left untreated for comparison purposes. In general, all treatments were effective to reduce the fresh rat damage on oil palm fresh fruit bunch (FFB) below the threshold level (5.0%) except for warfarin bait treatment. In the final round of baiting (5th round), the flocoumafen bait recorded the lowest fresh rat damage on FFB at 1.54 ± 0.14%. Coumatetralyl, chlorophacinone and brodifacoum recorded 2.95 ± 0.73%, 2.42 ± 0.57% and 4.30 ± 0.53% of fresh rat damage on FFB at the end of the study. The least effective was warfarin treatment which recorded 5.40 ± 0.18% in the final round of baiting. Only flocoumafen, coumatetralyl and chlorophacinone baits recorded more than 70.00% of rat damage reduction throughout the study as compared to pre-treatment. The brodifacoum treatment recorded rat damage reduction up to 58.70% and warfarin treatment was in the range of 13.58%-33.62%. All the rodenticide treatments managed to reduce the relative abundance of the estimated rat population in the field at the end of the study, except in the control plot.

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Abstract

Field efficacy of anticoagulant rodenticides against rat infestation in oil palm plantation was carried out in a comparative study between five rodenticide baits. They were first-generation anticoagulant rodenticide baits, coumatetralyl, chlorophacinone and warfarin, and second-generation anticoagulant rodenticide baits, flocoumafen and brodifacoum. A control plot was left untreated for comparison purposes. In general, all treatments were effective to reduce the fresh rat damage on oil palm fresh fruit bunch (FFB) below the threshold level (5.0%) except for warfarin bait treatment. In the final round of baiting (5th round), the flocoumafen bait recorded the lowest fresh rat damage on FFB at 1.54 ± 0.14%. Coumatetralyl, chlorophacinone and brodifacoum recorded 2.95 ± 0.73%, 2.42 ± 0.57% and 4.30 ± 0.53% of fresh rat damage on FFB at the end of the study. The least effective was warfarin treatment which recorded 5.40 ± 0.18% in the final round of baiting. Only flocoumafen, coumatetralyl and chlorophacinone baits recorded more than 70.00% of rat damage reduction throughout the study as compared to pre-treatment. The brodifacoum treatment recorded rat damage reduction up to 58.70% and warfarin treatment was in the range of 13.58%-33.62%. All the rodenticide treatments managed to reduce the relative abundance of the estimated rat population in the field at the end of the study, except in the control plot.

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Item Type:	Article
AGROVOC Term:	oil palms
AGROVOC Term:	rats
AGROVOC Term:	rodents
AGROVOC Term:	rodenticides
AGROVOC Term:	pest control
AGROVOC Term:	chemical control
AGROVOC Term:	farmers
AGROVOC Term:	pest management
AGROVOC Term:	plant protection
AGROVOC Term:	yield increases
Geographical Term:	Malaysia
Depositing User:	Nor Hasnita Abdul Samat
Date Deposited:	04 Aug 2025 14:00
Last Modified:	04 Aug 2025 14:00
URI:	http://webagris.upm.edu.my/id/eprint/1014

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