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[-] over_clox@lemmy.world 126 points 1 day ago

Did they study the paint chemicals themselves to see if that by itself was a natural bug repellant?

Did they check if the paint chemicals are even safe for cows?

๐Ÿค”

[-] Liz@midwest.social 49 points 1 day ago

Yes. They had a control group with only black stripes along with an unpainted group. I would have to assume they also checked the paints for potential repellents, but I only skimmed the article.

https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6776349/

[-] Rekorse@sh.itjust.works -3 points 1 day ago

Instead of unpainted black they should have done painted black, or done both.

[-] Clinicallydepressedpoochie@lemmy.world -4 points 1 day ago* (last edited 1 day ago)

There is also the paint creating a barrier.

[-] Anivia@feddit.org 10 points 1 day ago* (last edited 1 day ago)

OK, but they didn't count bites. They counted how many flies landed on the cow. So it being a barrier is irrelevant

[-] essteeyou@lemmy.world 60 points 1 day ago

What if it's just the white stripes (not the band)? Do white cows have the same number of flies? What if you paint them with black stripes?

Maybe those are answered in the article, but I'll never read it.

[-] SmoothLiquidation@lemmy.world 39 points 1 day ago

I havenโ€™t read the study, but most of these would need a placebo group, so divide the herd into thirds, one with no paint, one with stripes, and one fully painted white to get a baseline for each group. Also would be good to randomize which group each cow goes in each day so to rule out one cow who is especially tasty to flies.

[-] Tja@programming.dev 19 points 1 day ago

Also blindfold the scientists and the cows so it's double blind. We don't want the cows acting in a fly-attracting way because of placebo.

[-] Rekorse@sh.itjust.works -1 points 1 day ago

Those groups also have another characteristic that changes: the amount of the cow covered in paint.

How do you determine if its that vs the stripes or colors?

[-] theneverfox@pawb.social 1 points 1 day ago

You paint a second control group the colors and patterns they already are

[-] Rekorse@sh.itjust.works 0 points 1 day ago

Did this study do that? The abstract didnt mention it.

[-] StaticFalconar@lemmy.world 6 points 1 day ago

What if you actually read the study before asking questions ๐Ÿ˜…๐Ÿ˜œ๐Ÿค”

[-] blockheadjt@sh.itjust.works 8 points 1 day ago

A control group where they mix the colors together and paint them grey would answer that

[-] over_clox@lemmy.world -1 points 1 day ago

Can a biting fly even penetrate paint, to consume that precious bovine blood?

[-] Semi_Hemi_Demigod@lemmy.world 8 points 1 day ago

I've not seen the study referenced, but if I were doing it I'd have cows I painted with white paint, white stripes, black paint, and a control I left unpainted.

[-] Rekorse@sh.itjust.works 1 points 1 day ago

This study is posted in another comment here, but they left out the black paint group.

[-] over_clox@lemmy.world 1 points 1 day ago* (last edited 1 day ago)

Yes, obviously. But are the flies possibly repelled by the paint? Are the flies even able to bite through the paint?

Edit: 50% stripes, 50% reduction in bug bites.

Coincidence? I think not.

[-] Semi_Hemi_Demigod@lemmy.world 11 points 1 day ago

Somebody posted the study in this thread if you're curious

this post was submitted on 07 Oct 2024
1033 points (99.6% liked)

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