Hawg Posted July 8, 2017 Share Posted July 8, 2017 I'm still wondering why I don't have lots of birds like I used to. Could weed b gon, or products like it, be the problem. I've used it forever but now I'm starting to look at everything I can. The internet isn't real helpful. Do you guys have any opinions? Quote Link to comment Share on other sites More sharing options...
RebelSS Posted July 8, 2017 Share Posted July 8, 2017 It shouldn't, but who knows. It's main ingredient, MPCA, has shown low-to-moderate any toxic affect to avians. I've very rarely used that stuff, and only on a front boulevard. I've noticed a big drop in birds here, too. I think in the Summer there's so many areas with water/shelter/food etc, they tend to move around a lot more. Loss of habitat, trees, fields, etc certainly make a hug difference. This town is hell-bent on turning the place into a shiny concrete and steel glitter dome, thanks to Mayo, and lots of fields and meadows out near me have disappeared. Too many new housing developments springing up can't be good for birds. I've also had two Cooper's hawks move in and raise a brood...that drove a lot of birds out, and they killed a lot of songbirds, since that is their main diet. Environmental Health Effects Although insoluble in water, MCPA can have a high mobility in soil. MCPA can negatively affect the growth of some crops, including onion, cabbage, lettuce, and turnip (#EPA). In mammals, MCPA generally has a low toxicity, and is rapidly excreted. The oral LD50 in rats is 765 mg/kg. The dermal LD50 exceeds 2000 mg/kg, and the inhalation LC50 exceeds 6.3 mg/L (#EPA). MCPA has a moderate to low toxicity to birds. The oral LC50 is 377 mg/kg in bobwhite quail (#EPA). It is practically non-toxic to honey bees with an LD50 of 104 ug/bee. MCPA is slightly toxic to freshwater fish, and mostly non-toxic to other aquatic organisms. The LC50 of rainbow trout ranges from 117 mg/L to 232 mg/L (#EXTOXNET). Regulation MCPA is a General Use Pesticide, although all product labels are required to carry the signal word "danger" because it is a severe eye irritant (#EXTOXNET). Quote Link to comment Share on other sites More sharing options...
eyeguy 54 Posted July 8, 2017 Share Posted July 8, 2017 hmmmmm, I use it on the grass and also use skeeter killer. birds are still here. mostly black oil seeds out and some nutty butter suet. Quote Link to comment Share on other sites More sharing options...
RebelSS Posted July 8, 2017 Share Posted July 8, 2017 9 minutes ago, eyeguy 54 said: hmmmmm, I use it on the grass and also use skeeter killer. birds are still here. mostly black oil seeds out and some nutty butter suet. Well, there's his answer...they're all at yer place!! Quote Link to comment Share on other sites More sharing options...
eyeguy 54 Posted July 8, 2017 Share Posted July 8, 2017 Quote Link to comment Share on other sites More sharing options...
Mike89 Posted July 8, 2017 Share Posted July 8, 2017 I've used weed be gone for over 20 years here and the birds are all over.. eyeguy 54 1 Quote Link to comment Share on other sites More sharing options...
RebelSS Posted July 8, 2017 Share Posted July 8, 2017 46 minutes ago, Mike89 said: I've used weed be gone for over 20 years here and the birds are all over.. Are they upright? Mike89 1 Quote Link to comment Share on other sites More sharing options...
RebelSS Posted July 8, 2017 Share Posted July 8, 2017 I've had a lot of Robins around the last few days.... Quote Link to comment Share on other sites More sharing options...
Mike89 Posted July 9, 2017 Share Posted July 9, 2017 you betcha Rebs!!!! Quote Link to comment Share on other sites More sharing options...
smurfy Posted July 11, 2017 Share Posted July 11, 2017 i've used weed b gon for years and never noticed any affects on birds. just seems some years there are more birds around then others. Quote Link to comment Share on other sites More sharing options...
delcecchi Posted July 11, 2017 Share Posted July 11, 2017 Probably depends more on which "weeds" you spray it on... Birds like weeds for seeds to eat, or the bugs that hang around the weeds. Quote Link to comment Share on other sites More sharing options...
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