> On 14 Feb 2018, at 15:00, David Kastrup <d...@gnu.org> wrote: > > Hans Åberg <haber...@telia.com> writes: > >> On 14 Feb 2018, at 11:34, David Kastrup <d...@gnu.org> wrote: >> >>> The mice were running around openly and rather visibly before that. >>> Already when the cats were confined to one stable cell, the difference >>> was staggering. When they roamed freely, it was overwhelming. They >>> couldn't have caught hundreds of mice in that time frame: it's just that >>> the visibility of the rodents dropped by wagonloads. And ultimately >>> likely also their number, probably more because they did not dare come >>> looking for food than through actual killings. >> >> Perhaps you might check in some mouse trap channel, e.g. >> https://www.youtube.com/watch?v=zTx5y_bufwk > > Need to be live traps because of the lady of the house, and constantly > baiting them and driving the prisoners off to the other side of the > canal gets old.
You can choose on that channel. > Also doesn't put much of a dent in the population. And > live traps for rats are hopeless. You capture about three rats per trap > type. Then they merrily run around the trap, somehow manage to fish out > the bait from top or side, or blockade the mechanism with rocks and/or > debris. First generation rat poison (in order to at least keep the > kitchen free from nightly visitors) doesn't faze them all that much. I > think we handed more than three packages in our kitchen (at least the > nightly treat kept them from foraging too much elsewhere) before we gave > up on that. Which is ugly because with that stuff at least secondary > poisoning (namely birds of prey or cats descending on the victims) is > not much of an issue as the stuff is metabolized within a few days. > > At any rate, it should be clear that I know much more than I'd really > want to about this issue. Our cats are at best so-so for rats, but they > definitely are without much of an alternative concerning the mouse > density. We didn't get them lightly, particularly so since cats are > territorial and we already had the useless cat in the accordion video. A farmer on the BBC somewhere found cats to be the most effective rodent control method, but he had rather a lot, something like this: https://www.youtube.com/watch?v=9EYZnSXEla0 _______________________________________________ lilypond-user mailing list firstname.lastname@example.org https://lists.gnu.org/mailman/listinfo/lilypond-user