Tell us Ted - Best Calibre for Pests?
The mighty Ted of Ted #39;s Holdover is rightly considered the greatest airgunning YouTuber in the world. We go to him with some of the burning airgun questions of the day - and he pronounces....
By: Fieldsports Channel
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Tell us Ted - Best Calibre for Pests? - Video
June 19, 2014
Researchers Develop Genetic Control Mechanism for Major Livestock Pest
Researchers from North Carolina State University have developed a technique to control populations of the Australian sheep blowfly a major livestock pest in Australia and New Zealand by making female flies dependent upon a common antibiotic to survive.
Dr. Max Scott, professor of entomology at NC State, and his research team genetically modified lines of female Australian sheep blowflies (Lucilia cuprina) so that they required doses of tetracycline in order to live. Female blowflies that did not receive the antibiotic died in the late larval or pupal stages, before reaching adulthood. Several genetically modified lines lacking tetracycline showed 100 percent female deaths.
Scott says that the gene construct responsible for lethality in antibiotic-free diets is female-specific. Interestingly and unexpectedly, the genetically modified female larvae containing the tetracycline lethality genes also took on a crimson color due to overexpression of the linked red fluorescent protein marker gene. This allows scientists to tell which larvae will be females and which will be males.
Overexpression of the gene responsible for the reliance on tetracycline also seems to overexpress this marker gene, Scott says.
Since the females will die when not provided tetracycline in their diets, the males can be separated out in the larval stage. This is essential for a male-only genetic control program to reduce blowfly populations, Scott says, as fertile males would pass the lethality construct on to female offspring, which would die in the absence of tetracycline. Male larval offspring, however, would still be dangerous to livestock.
In the study, the researchers showed that the tetracycline gene construct also works in Drosophila, the fruit fly lab rat of the insect world that is a distant cousin of the sheep blowfly. This holds promise that the genetic system will function in the New World and Old World screwworm, two major livestock pests that are close relatives of the sheep blowfly. Scott is working with the U.S. Department of Agriculture to make male-only strains of the New World screwworm (Cochliomyia hominivorax).
The New World screwworm is a devastating pest of livestock that was eradicated from North and Central America by releasing sterilized male and female flies, Scott says. However, a male-only strain offers several advantages, including potentially more efficient population suppression for the ongoing program. Efficient genetic control systems have the potential to help eradicate some of the biggest problem pests across the globe, he said.
The research is funded by the U.S. Department of Agriculture, National Institute of Food and Agriculture and NC State.
People who know I am from Winnipeg cannot believe when I complain about the savage mosquitoes here in Merritt.
But youre from Winnipeg! they exclaim. The mosquitoes are the size of pelicans there!
Theyre bad there, sure, but man, theyre bad here too.
In the last few years, there has been a big push back against the City of Winnipeg fogging different neighbourhoods because people fear they are being exposed to toxic chemicals.
If it kills mosquitoes, they reason, its probably not all that great for humans to be breathing in.
Well, I am actually kind of glad Merritt doesnt seem to be dealing with the blood-sucking, buzzing nuisances the way Winnipeg does, because that city sure has some how shall I put it unique pest control methods.
Lets start with the gopher, those cute little rodents also known as the Richardsons ground squirrel, who tunnel underground and dot the landscape with gopher holes that are just the right size and depth to trip up unwitting walkers.
Winnipegs administration hired a pest control company to drop poison pellets down the gopher holes so the little guys eat them and then slowly bleed to death internally.
Painful way to die though it seems, it would work if the pellets had actually made it into the holes.
Instead, they were kind of strewn across the ground of at least one city park, which also happens to have a large off-leash dog area.
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The ethical conundrum of pest control
Pest Control with Air Rifles - Double Figure Day Out
The peanut feeder ran empty and evidence pointed to the squirrels being back on the old wheat feeder. A quick change around and then I pay it a visit. Watch the vid to see how I get on ;-)...
By: Squirrel Hunter
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Pest Control with Air Rifles - Double Figure Day Out - Video
Checklist to prevent summer pest problems
Summer is approaching and so as variety of pests. Make sure you keep those pests away with this checklist or call us (888-744-1284) to keep pests under control this season.
By: Ecoshield Pest Control
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Checklist to prevent summer pest problems - Video
Varsity Termite and Pest Control Video - Mesa, AZ United Sta
Get a similar video at http://www.smartshoot.com/ Varsity Termite and Pest Control - Mesa, AZ United States.
By: SmartShoot Global
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Varsity Termite and Pest Control Video - Mesa, AZ United Sta - Video
How Where To Treat Roaches In Your Cabinets
See where roaches run to escape your pest control spray. http://pestcemetery.com/
By: Pestcemetery .com
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How & Where To Treat Roaches In Your Cabinets - Video
Pest Control Malaysia, Termite Control - Special Offer
Visit http://rapidko.com.my Why Is Pest Control Malaysia An Essential Investment decision for Your Home? Pest eradication is a significant factor to consider when leasing a property or purchasing...
By: seoterence
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Pest Control Malaysia, Termite Control - Special Offer - Video
Beaver Pest Control: Pigeon Control London 6a.m.
Compare how many birds are here compared to the Beaver Pest control video filmed at 1p.m. When making a decision about proofing for pigeons you need to see them when they are all back at the roost.
By: BeaverPestControlLLP
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Beaver Pest Control: Pigeon Control London 6a.m. - Video
Beaver Pest Control London - Ant Nest Control in Rat Box
Beaver Pest Control started a new pest control contract and found an ants nest in an old external rat bait box.
By: BeaverPestControlLLP
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Beaver Pest Control London - Ant Nest Control in Rat Box - Video