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… nutrition animal health animal genetics stock performance 03 500 1000 1500 2000 2500 … trace element deficiencies new zealand livestock include selenium cobalt copper often … fresh herbage generally adequate grazing livestock new zealand rumen microbes synthesise …

… other environmental well cultural information stocktakes state water resources measures … costanza daly 1992 define natural capital stocks natural assets yield flow ecosystem … mackay newsome 2009 land use capability survey handbook new zealand handbook …

… valued all new zealanders 16 sheep beef livestock production essential maintaining … industry health wellbeing sheep beef livestock production sector within new 2 heilbron … landowners high value area ecological surveys undertaken southland regional council …

… zealand economic impact have been very few surveys determine prevalence importance … factors footrot have been verified causes stocking rates increased stocking rates increase rate disease spread …