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ZEISS DTI thermal imaging cameras. For more discoveries at night, and during the day.

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  1. Farnboro John

    Using dimethyl sulfide as chum

    I think your disinclination to accept the argument is coming from the same place as the tobacco giants in respect of their products, frankly. It's simply not necessary to do a scientific study to evidence that if you provide a smell and no food, you cause harm to animals that are expending...
  2. Farnboro John

    Using dimethyl sulfide as chum

    As with most things biological, one size does not fit all. You've said it yourself: using lures of any kind means that birds do something they wouldn't otherwise have done. There is an opportunity cost to the birds associated with that deception: the obvious other side of the coin is that while...
  3. Farnboro John

    Using dimethyl sulfide as chum

    I'm sure this has been discussed before but isn't there a moral question about using DMS, thereby implying a level of reward via the smell that is not borne out by the chum.... the smell of fish guts/oil/maize by contrast is proportionate to the reward obtained. John
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