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03-03-2010, 06:28 AM
|  | Registered User | | Join Date: Mar 2004 Location: Metro St. Louis | | | Weed Killer Makes Male Frogs Lay Eggs
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http://www.cbc.ca/technology/story/2...ed-killer.html
This is something to think about as Spring approaches.
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03-03-2010, 07:19 AM
| | Registered User | | Join Date: Sep 2002 Location: London UK | | | Its okay, its no longer approved for use in Europe. My boys will be just fine.
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Originally Posted by FL Knifemaker you're nothing but a **** stirring troll | Set your expectations accordingly.
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03-03-2010, 07:33 AM
| | Registered User | | Join Date: Dec 2005 Location: Buffalo | | | It would hurt business too much to try restrict its usage, so what if a few species start changing gender at random. |
03-03-2010, 07:47 AM
| | | Scary stuff.
Politically I lean right and think a lot of these environmental claims are overblown, but stuff like this you can't ignore. I don't get the facination with growing a monocrop of kentucky bluegrass that serves no purpose. Then all the weed killer and fertilizer and water we need to pour on it to make it and keep it growing.
I worked at Home Depot one year and just stocking the shelves with fertilizer for an hour or so would make me sick.  |
03-03-2010, 08:40 AM
| | Registered User | | Join Date: Dec 2005 Location: Buffalo | | Quote:
Originally Posted by NS2A  I worked at Home Depot one year and just stocking the shelves with fertilizer for an hour or so would make me sick. | Just curious, but what do you mean by sick? Like what sort of symptoms did you experience?
I agree with you 100% about monocrop cultures as well. Its what caused the potato famine, and is generally always a bad thing. |
03-03-2010, 08:56 AM
| | | Quote:
Originally Posted by Kosko Just curious, but what do you mean by sick? Like what sort of symptoms did you experience?
I agree with you 100% about monocrop cultures as well. Its what caused the potato famine, and is generally always a bad thing. | Headache, vomiting, dizzyness.
Back in the day my grandpa rotated his crops with corn, soybeans and wheat. Now, I see corn being grown in the same fields every year because corn prices are up. With ehtanol and corn syrup in everything, no wonder.  |
03-03-2010, 09:21 AM
| | Registered User | | Join Date: Jan 2006 Location: Singapore | | | Didn't we learn in Jurassic Park that some frogs ALREADY do change their sex when exposed to certain environmental factors?
Wiki: Individual hyperolius viridiflavus frogs have been observed to change their sex organs from female to male. This likely occurs when the population does not have enough males to allow procreation and is accomplished when a chemical trigger activates the sex gene to disintegrate the female organs and develop the male ones.
I mean, this is scary and all, but it's not like the frogs are doing something extremely out of the ordinary.
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03-03-2010, 09:24 AM
| | Registered User | | Join Date: Mar 2004 Location: Metro St. Louis | | Quote:
Originally Posted by ehque Didn't we learn in Jurassic Park that some frogs ALREADY do change their sex when exposed to certain environmental factors?
Wiki: Individual hyperolius viridiflavus frogs have been observed to change their sex organs from female to male. This likely occurs when the population does not have enough males to allow procreation and is accomplished when a chemical trigger activates the sex gene to disintegrate the female organs and develop the male ones.
I mean, this is scary and all, but it's not like the frogs are doing something extremely out of the ordinary. | I think it is one thing for animals to change their sex due to natural pressures. Changing because of artificial chemical stimulus is cause for concern, IMO.
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03-03-2010, 09:39 AM
| | Registered User | | Join Date: Jan 2006 Location: Singapore | | | It's a chemical trigger. Possibly hormonal. So any chemical that is identical or functions in an identical way in frog physiology could have the effect. But it probably won't have the same, or even similar, effect on humans, since our physiology is so different. "Artificial" chemical stimulus is so common. We take in many many different compounds which have such effects every day (caffiene, alcohol, nicotine, among other things)
Agreed that we shouldn't be ingesting the stuff, though.
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03-03-2010, 09:42 AM
|  | is, against all odds, still a scuba viking. | | Join Date: Feb 2007 Location: Alta Loma, California | | | w00t! I can has ovaries?
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03-03-2010, 09:42 AM
| | Registered User | | Join Date: Mar 2004 Location: Metro St. Louis | | Quote:
Originally Posted by ehque It's a chemical trigger. Possibly hormonal. So any chemical that is identical or functions in an identical way in frog physiology could have the effect. But it probably won't have the same, or even similar, effect on humans, since our physiology is so different. "Artificial" chemical stimulus is so common. We take in many many different compounds which have such effects every day (caffiene, alcohol, nicotine, among other things)
Agreed that we shouldn't be ingesting the stuff, though. | Human poisoning is not the only issue. Upsetting reproduction among frogs could have siginificant affects on the ecosystem like more mosquitoes or maybe reducing food for other certain fish or birds of prey among many possible ramifications.
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03-03-2010, 01:33 PM
|  | The Lowdown Diggler | | Join Date: Apr 2006 Location: Huntington Beach, CA | | | Will the frogs still taste like chicken? |
03-03-2010, 01:36 PM
| | Registered User | | Join Date: Sep 2002 Location: London UK | | | This story would be much more interesting if the title was:
"Killer weed makes male lay frog, eggs?"
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Originally Posted by FL Knifemaker you're nothing but a **** stirring troll | Set your expectations accordingly.
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03-03-2010, 02:51 PM
|  | *******er Emeritus(does anyone remember that? No?) | | Join Date: Apr 2000 Location: Houston, Texas | | Quote:
Originally Posted by Mark Latimour This story would be much more interesting if the title was:
"Killer weed makes male lay frog, eggs?" |
When I first saw the thread title, that was what I thought I had read. What a disappointment.
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03-03-2010, 03:15 PM
|  | Registered User | | Join Date: Aug 2005 Location: College Station, Texas | | Quote:
Originally Posted by jrthebassguy When I first saw the thread title, that was what I thought I had read. What a disappointment. | are you dyslexic?  |
03-03-2010, 03:25 PM
|  | In case you missed it, I work for QSC Audio!
Applications Engineer, QSC Audio | | Join Date: Jul 2001 Location: Costa Mesa, Calif. | | It can work both ways. I had a neighbor who smoked a lot of weed and I swear he started developing boobs and losing some of his facial hair.  |
03-03-2010, 03:30 PM
| | Registered User | | Join Date: Mar 2006 Location: St. Louis // St. Charles, MO | | Quote:
Originally Posted by MakiSupaStar Will the frogs still taste like chicken? | Are you kidding? Even more so now that they're laying eggs! Weed Killer Makes Male Frogs Lay Eggs
Man, what a great name for a song, huh?
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03-03-2010, 10:21 PM
| | Registered User | | Join Date: Jan 2006 Location: Singapore | | | Frogs are delicious, Maki. And they DO taste like chicken. We call the food form "tian ji", which is directly translated as, uh, padi field chicken (because of the large numbers of frogs in padi fields)
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03-03-2010, 10:28 PM
| | Registered User | | Join Date: Mar 2008 Location: Framingham, Massachusetts | | | Malcolm was right!!
"in some species of african frogs, males were known to change sex from male to female in a single sex enviroment"
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03-03-2010, 10:56 PM
| | Registered User | | Join Date: Nov 2004 Location: New City, NY | | Quote:
Originally Posted by Dr. Cheese I think it is one thing for animals to change their sex due to natural pressures. Changing because of artificial chemical stimulus is cause for concern, IMO. | Not necessarily. When the frogs change sex naturally, it's not as though one frog performs a quick count of the males and females in the local population. It's almost certainly related to pheromone concentration in the immediate area. It's possible that the herbicide in question has similarities to the frogs pheromones.
I'd be more worried about sterilization or birth defects than I would a change like this.
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