Comparison of effectiveness of introduced barn owls, Tyto javanica javanica, and rodenticide treatments on rat control in oil palm plantations

Abidin, Cik Mohd Rizuan Zainal; Noor, Hafidzi Mohd; Hamid, Noor Hisham; Ravindran, Shakinah; Puan, Chong Leong; Kasim, Azhar; Salim, Hasber

doi:10.1007/s10340-021-01423-x

Cited by 7 publications

(3 citation statements)

References 26 publications

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“…The success in elevating the population had helped control the rat populations in some cases, lessening the dependency on anticoagulant rodenticide since the late 1970s (Duckett, 1991;FFTC, 2002;Lenton, 1983). Additionally, the cost of maintaining nest boxes was relatively cheaper than the costs of rodenticide and labour, which had been shown to reduce the overall cost spent by the plantation owners (Abidin et al, 2021). Other than in plantations with immature (Naim et al, 2010) or mature oil palms (Salim et al, 2014(Salim et al, , 2015(Salim et al, , 2016, nest boxes had also been provided in rice fields [ (Amzah et al, 2014;FFTC, 2002;Hafidzi et al, 2003Hafidzi et al, , 2007Hafidzi & Na'im, 2003a, 2003b, urban landscapes, e.g., urban garden; see Saufi et al (2020aSaufi et al ( , 2020b, and different habitat matrices, e.g., cocoa-coconut farmland; see Lee (1997)].…”

Section: Barn Owlsmentioning

confidence: 99%

“…Before the 2000s, studies that involved provisioning nest boxes focused mainly on the methods to enhance/manage the local population (Duckett, 1991;Lee, 1997;Lenton, 1983), with few studies investigating their ecology (Lim et al, 1993). However, recent studies not only focused on upgrading previous methods (Abidin et al, 2021;Amzah et al, 2014;FFTC, 2002;Hafidzi et al, 2007;Hafidzi & Na'im, 2003b;Saufi et al, 2020b) but had expanded into their biology and ecology including breeding behaviour (Abidin et al, 2022;Naim et al, 2011;Salim et al, 2014), growth performance (Naim et al, 2010;Salim et al, 2016), egg measurement (Salim et al, 2015), home range (Hafidzi et al, 2003;Naim et al, 2012;Saufi et al, 2019), prey selection (Hafidzi & Na'im, 2003a;Puan et al, 2011Puan et al, , 2012Saufi et al, 2020a), and sex identification (Ravindran et al, 2018). In addition, some studies retrieved eggs, nestlings, and even adults from nest boxes to assess the level of anticoagulant rodenticide exposure and the associated effects towards their growth and behaviour (Naim et al, 2012;Salim et al, 2014Salim et al, , 2015Salim et al, , 2016.…”

Section: Barn Owlsmentioning

confidence: 99%

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The Use of Nest Boxes in Malaysia: Design and the Potential for Research and In-situ Conservation of Birds

Muhammad Adam Mah,

Leong Puan,

Zakaria

2023

JTAS

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Nest boxes have been used as artificial cavities for decades to attract cavity-nesting birds that rely on such structures to roost and breed. Nest boxes aid research efforts to understand the biology and behaviour of birds and may increase breeding success, thereby contributing to the conservation of a species. The type and dimension of nest boxes and the survey design used in the tropics vary, depending on the targeted species. This paper reviewed 30 published in-situ works using nest boxes and their survey design in Malaysia. Most studies were done on Barn Owls (Tyto alba javanica) (25), followed by hornbills (5), where they were conducted in oil palm plantations (50%), rice fields (20%), forest habitats (16.7%), urban landscapes (10%), and different habitat matrices (3.3%). Attempts to enhance/manage the local populations were the main research purpose. Unlike studies from other tropical countries, studies involving nest boxes in Malaysia are still in their infancy. This review suggests future research focus on forest species, especially those requiring immediate conservation attention, and delineate parameters highlighted in published works to counter literature inconsistency. Such research involving nest boxes may also be further expanded to the study and/or conserve other interconnected fauna species.

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Section: Barn Owlsmentioning

confidence: 99%

Section: Barn Owlsmentioning

confidence: 99%

The Use of Nest Boxes in Malaysia: Design and the Potential for Research and In-situ Conservation of Birds

Muhammad Adam Mah,

Leong Puan,

Zakaria

2023

JTAS

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“…However, there are no published studies regarding the efficacy of cholecalciferol in controlling wood rats, R. tiomanicus in oil palm plantations, as the application of cholecalciferol is more concentrated in urban settings and poultry farms rather than in agricultural settings. In Malaysia, barn owls Tyto javanica javanica have been employed as natural predators, in combination with ARs to control rats in oil palm through implementation of an Integrated Pest Management (IPM) program as part of commitment towards sustainable palm oil 2 , 3 , 28 . Since the incident of warfarin resistant rats occurred, the manufacturers came up with other initiatives by applying more toxic ARs with longer hepatic biological half-life, i.e., SGARs, and this matter led to a rise in concern of potentially secondarily poisoning barn owls 29 , 30 .…”

Section: Introductionmentioning

confidence: 99%

Efficacy of cholecalciferol rodenticide to control wood rat, Rattus tiomanicus and its secondary poisoning impact towards barn owl, Tyto javanica javanica

Noh

Ahmad

Salim

2023

Sci Rep

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Studies were conducted on the potential use of cholecalciferol as an alternative to anticoagulant rodenticides to control common rat pest in oil palm plantations, i.e., wood rats, Rattus tiomanicus, and the secondary poisoning impact of cholecalciferol on barn owls, Tyto javanica javanica. The laboratory efficacy of cholecalciferol (0.075% a.i.) was compared with commonly used first-generation anticoagulant rodenticides (FGARs): chlorophacinone (0.005% a.i) and warfarin (0.05% a.i). The 6-day wild wood rat laboratory feeding trial showed cholecalciferol baits had the highest mortality rate at 71.39%. Similarly, the FGAR chlorophacinone recorded a mortality rate of 74.20%, while warfarin baits recorded the lowest mortality rate at 46.07%. The days-to-death of rat samples was in range of 6–8 days. The highest daily consumption of bait by rat samples was recorded for warfarin at 5.85 ± 1.34 g per day while the lowest was recorded in rat samples fed cholecalciferol, i.e., 3.03 ± 0.17 g per day. Chlorophacinone-treated and control rat samples recorded consumption of about 5 g per day. A secondary poisoning assessment on barn owls in captivity fed with cholecalciferol-poisoned rats showed after 7 days of alternate feeding, the barn owls appeared to remain healthy. All the barn owls fed with cholecalciferol-poisoned rats survived the 7-day alternate feeding test and throughout the study, up to 6 months after exposure. All the barn owls did not show any abnormal behavior or physical change. The barn owls were observed to be as healthy as the barn owls from the control group throughout the study.

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Banding records of nestling barn owls reveal optimal timing for nest box maintenance in California

et al. 2022

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American barn owls (Tyto furcata) often rely on nest box networks for breeding, especially within agricultural landscapes. Nest boxes are commonly installed for pest management purposes and require regular maintenance, such as removal of pellet debris and repairs, to remain functional and safe for breeding owls. Ideally, nest box maintenance should be conducted before the breeding season begins to minimize nest disturbance. The timing of the barn owl breeding season is especially important to understand in California, USA, which has a high diversity of ecoregions and expansive latitudinal range. Our objective was to describe the barn owl breeding season throughout California using nestling records to assist with data‐driven management recommendations. We queried 96 years of barn owl nestling banding records (n = 22,670) from the United States Geological Survey Bird Banding Lab to estimate egg laying dates across California and summarized 39 years of intake records (n = 1,741) from the California Raptor Center in the Central Valley. Our results suggest that barn owls typically begin to lay eggs in California in winter months; the median egg laying date for the state was 20 February. Based on these reports, planning for barn owl nest box maintenance to begin in fall (Sep–Nov) would align with the season that breeding activity and nest disturbance may be lowest, especially in the Central Valley and Southern Coast ecoregions.

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Comparison of effectiveness of introduced barn owls, Tyto javanica javanica, and rodenticide treatments on rat control in oil palm plantations

Cited by 7 publications

References 26 publications

The Use of Nest Boxes in Malaysia: Design and the Potential for Research and In-situ Conservation of Birds

The Use of Nest Boxes in Malaysia: Design and the Potential for Research and In-situ Conservation of Birds

Efficacy of cholecalciferol rodenticide to control wood rat, Rattus tiomanicus and its secondary poisoning impact towards barn owl, Tyto javanica javanica

Banding records of nestling barn owls reveal optimal timing for nest box maintenance in California

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