Share. Flea and tick collars vary in their active ingredient. Often, these collars contain amitraz (a chemical that is an alpha2-adrenergic agonist and monoamine oxidase inhibitor), organophosphates or carbamates, or pyrethrins/pyrethroids. Please see each individual active ingredient for more information.
The mean minimum temperature for May 2012 at Adelaide (Kent Town) was 9.3 C, 0.9 C below the long term May average of 10.2 C. This resulted in the coolest May since 2006. By comparison, May 2011 saw minimum temperature for the month average 10.0 C.
Adelaide Metro & Hills in May 2012: Cold nights and a wet end to autumn. 1  Above average rainfall, typically 20% greater than average on the Adelaide plains, closer to average through the Adelaide hills. 2  Cool daytime temperatures with the coldest May day in 25 years.oth maximum and minimum temperatures were mostly below average across the Adelaide Plains during May 2012, though tending to slightly above average at some locations in the Adelaide Hills.