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| From: joey | 11/03/2002 15:28:33 |
| Subject: 1080 | post id: 44008 |
| 1080 The use of the controversial 1080 poison as a fox control measure will be discussed at the Launceston fox conference today. More than 30 national pest and fox experts spent yesterday viewing fox hot spots in northern Tasmania. Professor Tony Peacock from the research centre for pest animal control says the use of poison baits is one of a number of control measures being assessed. Professor Peacock says the 1080 baits used are designed specifically for foxes. About 200,000 baits to control foxes will be dropped from the air on Western Australian conservation lands during autumn as part of a program to protect native wildlife. The fox-baiting program covers 3.4 million hectares from Exmouth in the north to the south-west forests, and the south coast. This comes as the National Registration Authority has signalled a review of the use of the 1080 poison. Fox-baiting coordinator John Asher says WA authorities are arguing that the baits are safe, because native animals have a natural resistance to the toxin, and it has been successful in the control of foxes. "Initially we took the quenda, or bandicoot, tammar wallaby and woylie off the endangered list and that's unprecedented around the world. You hear of extinctions occurring, but certainly not animals being taken off the endangered list," he said. Owners of domestic pets are reminded the baits are lethal and dogs and cats should not enter baited areas, which is basically all forest and conservation lands. * ABC News. Editors Note; We have to wonder at the mentality that states 1080 is lethal to domestic pets, but apparently not to wildlife! * ABC News does anyone know whether this statement is true ?? "authorities are arguing that the baits are safe, because native animals have a natural resistance to the toxin, and it has been successful in the control of foxes. " cheers jo (back later) | |
| From: becklefreckle | 11/03/2002 15:35:23 |
| Subject: re: 1080 | post id: 44015 |
| I thought that the reason 1080 baiting was so effective in WA, was that the plants here contain high levels of flouro acetate, and the animals in WA had evolved to be resistant to it. The resistance in Tassie animals, however, wouldn't be as good. AFAIK 1080 is poisonous to all animals, it's just the effect that varies; the critter of our SW corner get virtually no effect, and their eastern buddies would have more. Maybe? | |
| From: Lone Ranger | 11/03/2002 15:38:34 |
| Subject: re: 1080 | post id: 44017 |
| AFAIK it is true. I was only thinking last night that I have to refresh my memory on this topic. As far as I can recall without a refresher 1080 is a naturally produced substance in many native plant species. As native animals have evolved along with these plant species they have developed a resistance to it and can tolerate much more than non native species such as your cat or dog. I think many of the plants which contain it are native to WA and animals (eg. kangaroo species) which are also from that region have a higher tolerance than animals from elsewhere in Australia. They certianly all have a higher tolerance than animals from overseas. | |
| From: becklefreckle | 11/03/2002 15:47:48 |
| Subject: re: 1080 | post id: 44019 |
| More on 1080: 1080 Poison feral cat control | |
| From: Gaspode | 11/03/2002 16:09:39 |
| Subject: re: 1080 | post id: 44024 |
| I’m highly suspicious of those statements having seen the effects of 1080 poisoning firsthand. It is rather too obviously capabale of killing flies and through them wagtails, kookaburras and butcher birds. I have also seen it kill goannas goannas despite the local Dpt. Of Natural Resources assuring us that this isn’t possible. There is a distinct discrepacy between the published ‘facts’ and what evryone who has ever laid 1080 baits will tell you to be true. We may all have hallucinated the poisoned wildlfe but I suspect that the effect of 1080 in a lab trial is different from the effect of 1080 that has been baking in the sun and subject to microbial action for 4 days. | |
| From: joey | 11/03/2002 16:11:46 |
| Subject: re: 1080 | post id: 44025 |
| thanks guys ... so i take it the consensus is that the statement is suss and it should probably not be used in tassie or outside wa ? cheers jo (popping between getting ready to depart :() | |
| From: Lone Ranger | 11/03/2002 16:14:51 |
| Subject: re: 1080 | post id: 44026 |
| "....I suspect that the effect of 1080 in a lab trial is different from the effect of 1080 that has been baking in the sun and subject to microbial action for 4 days." AFAIR 1080 breaks down almost completely fairly quickly (ca 2 weeks) if it rains I think it breaks down in a couple of days | |
| From: Gaspode | 11/03/2002 16:46:05 |
| Subject: re: 1080 | post id: 44034 |
| “>>>>so i take it the consensus is that the statement is suss” It is as far as I’m concerned. “>>>>and it should probably not be used in tassie or outside wa ?” I have no problem with its use. The collateral damage in most areas isn’t hideous, and in the case of foxes in Tassie the consequencesof not using it are goiung to be a far worse than the few hundred thousand accidental detahs caused by the poison. I’d just like to see a field trial done on the effect of the stuff tht acknowledges actual deaths, rather than the lab trials that assure us that what every operator knows to be true can’t be happening. I would also be hesitant using it in WA. I can't imagine there would be significantly more fluoroacetate containing plants in WA than there are in Qld. “>>>AFAIR 1080 breaks down almost completely fairly quickly (ca 2 weeks) if it rains I think it breaks down in a couple of days” In this part of theowlrd we’re issued with paper signs for all fencelines that break down in sunlight. The ink fades in 6 weeks and that’s considered to be the danger period. The stuff is poisonous enough to preserve the meat that’s teated with it. I can’t imagine why rain would have any effect at all. For dogs and pigs the poison is commonly injected into joint cavities to prevent accidental leaching and removal by small scavengers like rats and hawks. Not that it ever rains here anyway. :) | |
| From: Lone Ranger | 11/03/2002 17:41:53 |
| Subject: re: 1080 | post id: 44054 |
| "I’d just like to see a field trial done on the effect of the stuff tht acknowledges actual deaths, rather than the lab trials that assure us that what every operator knows to be true can’t be happening." Don't get me wrong I'm not saying that there aren't any non target deaths of native animals related to 1080. However I believe it to be one of the better poisions around because it is selective to some degree. The next major step in preventing non target kills is in the baiting method eg. burying fox baits to correct depth. I did a quick search for journal articles related to 1080 and easily found 3 articles on assessment of non target deaths during various baiting programs (in the field). there was also a number dealing with the sensitivity of native animals and non target deaths in general. The information is there. "I can’t imagine why rain would have any effect at all. For dogs and pigs the poison is commonly injected into joint cavities to prevent accidental leaching and removal by small scavengers like rats and hawks." My info on breakdown times of 1080 is what I remember from a uni course I did on vertebrate pest control, some time ago. By rain I mean water in general. Injecting it into a joint would as you said stop it leaching, which would be done by body fluids. "In this part of theowlrd we’re issued with paper signs for all fencelines that break down in sunlight. The ink fades in 6 weeks and that’s considered to be the danger period. The stuff is poisonous enough to preserve the meat that’s teated with it." Danger periods are of course going to be significantly longer than the poison is present for. Remember it's toxic to humans too. Not sure what you mean by it preserving the meat. Most fox baits are dried meat baits. :) | |
| From: Gaspode | 11/03/2002 18:11:55 |
| Subject: re: 1080 | post id: 44060 |
| “>>>>However I believe it to be one of the better poisions around because it is selective to some degree.” Agreed. It’s certainly got its good points (like the fact that it works.) “>>>>The information is there.” I must update myself then. Glad too see it has at least been done, even if the authorities are reticent to publicise it. “>>>>Not sure what you mean by it preserving the meat. Most fox baits are dried meat baits.” I’ve only ever used it on dogs and pigs. Fresh meat is a must. The stuff just doesn’t decay like meat should. It acts like it’s been salted by the 1080. “>>>>>Remember it's toxic to humans too” Really? Damn I wish someone had told me earli…. arrgh ack gurgle | |
| From: boxhead (popping) | 11/03/2002 18:26:17 |
| Subject: re: 1080 | post id: 44067 |
| Check out the table at the bottom of this page (the table is also in the thread that becklefreckle linked to earlier). 1080 poison baits for pest animal control | |
| From: bm | 12/03/2002 0:30:04 |
| Subject: re: 1080 | post id: 44192 |
| just how many foxes are there in TAS and does it necessitate such a risk being taken? | |
| From: Lone Ranger | 12/03/2002 11:42:42 |
| Subject: re: 1080 | post id: 44320 |
| Just reading the foxes in tasmainia thread, "Foxes have been known to cache 1080 baits, presumably to wait until the 1080 dissipates." Foxes cache their food for later usually because they've already had enough food for the moment. Much like a dog burying a bone in the garden. They hide it from other animals. | |
| From: ZedP® | 12/03/2002 12:36:30 |
| Subject: re: 1080 | post id: 44347 |
| It's not necessarily true about native animals being immune to 1080 - the NZ government is using 1080 to get rid of possums Possum control and 1080 | |
| From: Lone Ranger | 12/03/2002 13:17:49 |
| Subject: re: 1080 | post id: 44377 |
| Native animals are not immune to 1080 they generally have higher tolerances to it than non native animals. The level of this tolerance is different between species and even to a lesser extent between populations and individuals within the species. | |
| From: boxhead | 12/03/2002 19:42:19 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Subject: re: 1080 | post id: 44496 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| From: boxhead | 12/03/2002 19:42:42 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Subject: re: 1080 | post id: 44497 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| From: boxhead | 12/03/2002 19:43:08 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Subject: re: 1080 | post id: 44498 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||
1080 poison baits for pest animal control This Landcare Note summarises information on the use of the registered pest animal poison 1080. It has been prepared to provide basic information on the use of 1080 in Victoria. Revised by Ross Williamson (Melbourne) and Tim Bloomfield (Attwood) | |||||||||||||||||||||||||||||||||||||||||||||||||||||||
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