In particular, we consider the major benefits reported after myxomatosis first spread, the likely increases in the costs of control as rabbits developed resistance to myxomatosis and then the benefits regained as a high level of rabbit control was reimposed through the use of RHD. [...] © 2013 The Authors Australian Economic History Review © 2013 Wiley Publishing Asia Pty Ltd and the Economic History Society of Australia and New Zealand Rabbit biocontrol 93 METHODS Production losses and rabbits There are many publications that report the economic costs of rabbits in Aus- tralia.7 Some are of particular importance because they provide information associated with the introduction o. [...] Other studies from individual farms confirmed that removal of rabbits allowed 7 Fennessy, The impact of wildlife species; Waithman, Rabbit control in New South Wales; Sloane and King Pty Ltd, The economic impact of pasture weeds; Manson, Identification of public and private benefits; Saunders, Kay, Mutze, Choquenot, Observations; McLeod, Counting the cost; Vere, Jones, and Saunders, The economic b. [...] © 2013 The Authors Australian Economic History Review © 2013 Wiley Publishing Asia Pty Ltd and the Economic History Society of Australia and New Zealand Annual Losses $ million 102 Brian Cooke, Peter Chudleigh, Sarah Simpson and Glen Saunders The introduction of new technologies, in this case myxomatosis and RHD and better tools for rabbit control, shifted the loss expenditure frontier.51 Conse- q. [...] The progressive de-commercialisation of rabbits in New Zealand between 1947 and 1952 removed the option of using the rabbit industry to partially control rabbits and forced farmers to seek a different economic balance.54 Rabbits were generally brought to low densities by the late-1950s, greatly strengthening the economic position and stability of the livestock industries.
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