Modelling density thresholds for managing mouse damage to maturing wheat

Kaboodvandpour, Shahram; Leung, Luke K.‐P.

doi:10.1016/j.cropro.2012.07.013

Cited by 8 publications

(12 citation statements)

References 27 publications

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“…Production benefits are easily demonstrated in agricultural environments, and economic yields are amenable to cost-benefit modelling, which allows optimisation of management effort (see Kaboodvandpour and Leung, 2012;Yokomizo et al, 2009). In contrast, relatively few studies have quantified the responses of indigenous biota (both species and ecological processes) in natural ecosystems.…”

Section: Introductionmentioning

confidence: 99%

Density-impact functions for terrestrial vertebrate pests and indigenous biota: Guidelines for conservation managers

Norbury

Pech

Byrom

et al. 2015

Biological Conservation

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Section: Introductionmentioning

confidence: 99%

Density-impact functions for terrestrial vertebrate pests and indigenous biota: Guidelines for conservation managers

Norbury

Pech

Byrom

et al. 2015

Biological Conservation

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“…Therefore, the first research priority for managing crop damage caused by the house mouse is to address the question: Is there a significant relationship between mouse density and damage caused by mice in cereal crops? This hypothesis can be tested by sampling yield losses caused by mice and mouse densities over a reasonable number of experimental plots (Kaboodvandpour & Leung 2010b). If there is a significant relationship between mouse density and yield loss caused by mice, does D T exist based on this relationship?…”

Section: Future Research Prioritiesmentioning

confidence: 99%

Managing crop damage caused by house mice (Mus domesticus) in Australia

Kaboodvandpour

Leung

2010

Integrative Zoology

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A large-scale outbreak of the house mouse populations occurs in grain growing in Australia on average once every four years. High densities of mice cause major yield losses to cereal crops, and low to moderate densities of mice also cause some losses. Several predictive models based on rainfall patterns have been developed to forecast mouse density. These models carry some uncertainty and the economic value of basing management actions on these models is not clear. Baiting is the most commonly used method and zinc phosphide and other rodenticide bait are effective in reducing up to 90% of mouse populations. Ecologically-based best farming practice for controlling mice has recently been developed on the basis of long-term field studies of mouse populations. No effective biological control method has been developed for mice. However, grain growers still cannot make economically rational decisions to implement control because they do not know the pest threshold density (D(T)) above which the economic benefits of control exceed the economic costs of control. Applied predator-prey theory suggests that understanding the relationship between mouse density and damage is the basis for determining D(T). Understanding this relationship is the first research priority for managing mouse damage. The other research priority is to develop a reliable method to estimate unbiased mouse density.

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“…Predictive models for outbreaks of house mice have been developed and can be used with some success provided there is current information on rainfall and mouse abundance (spring trapping data) (e.g., for Victorian Mallee; Pech et al 1999, Kenney et al 2003. Being able to predict when mouse plagues might occur would allow farmers to decide whether to intervene with pre-emptive control; the threshold at which farmers would apply control would depend on the balance between costs of control and savings in reduced damage to crops (Davis et al 2004, Kaboodvandpour andLeung 2012). Fertility control has potential to be an additional tool for pre-emptive control that is efficacious, costeffective, and humane.…”

Section: Introductionmentioning

confidence: 99%

Effects of Oral Uptake of the Chemosterilant 4-Vinylcyclohexene Diepoxide in Wild House Mice, Mus domesticus

Hinds¹,

Henry²,

Sharma³

et al. 2014

vertebrate_pest_conference

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The chemical 4-vinylcylcohexene diepoxide (VCD) induces depletion of primordial follicles in the ovaries of laboratory mice after intraperitoneal treatment and leads to infertility. We assessed the oral uptake of a range of doses of VCD by wild house mice, Mus domesticus, in captivity. In Experiment 1, female mice (n = 8 per group) were presented with a daily dose of liquid emulsion containing different concentrations of VCD in a volume equivalent to 10% body weight for 5 days in the presence of ad libitum mouse chow and water. Body weight, body condition, and general health status of the mice were assessed daily. Mice were killed 17 days after cessation of dosing. Internal organs were examined for normality and ovaries were fixed for analysis of primordial follicle populations. Over the 5-day treatment period, 95-100% of mice consumed all their daily dose of VCD emulsion. There were no effects on body weight, general activity, or alertness of the mice. Primordial follicle populations showed dose dependent but variable levels of depletion. In Experiment 2, the highest, most palatable VCD dose (300 mg VCD/kg) or a control dose was presented to mice (n = 24-30 per group), daily for 5 days. At 10 days post treatment, males were introduced for 3 breeding rounds. The numbers of pups/litter and proportions of females producing litters for each breeding round was not different between groups. In Experiment 3, male mice were presented with this same VCD dose; assessment of their reproductive status at 7 and 15 days post treatment indicated no treatment effect on testis and epididymis weights. These experiments indicate that while some follicle depletion was achieved in females with the orally delivered VCD dose, this was insufficient to affect their fertility. Further studies will require presentation of higher doses of VCD and/or extended presentation of this chemosterilant. Proc. 26 th Vertebr. Pest Conf. (R. M. Timm and J. M. O'Brien, Eds.) Published at Univ. of Calif., Davis. 2014. Pp. 380-385.

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Modelling density thresholds for managing mouse damage to maturing wheat

Cited by 8 publications

References 27 publications

Density-impact functions for terrestrial vertebrate pests and indigenous biota: Guidelines for conservation managers

Density-impact functions for terrestrial vertebrate pests and indigenous biota: Guidelines for conservation managers

Managing crop damage caused by house mice (Mus domesticus) in Australia

Effects of Oral Uptake of the Chemosterilant 4-Vinylcyclohexene Diepoxide in Wild House Mice, Mus domesticus

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