Had some pipes with bait in them that I forgot about. Set couple hundred yards from front porch. Anyway that was about 5 months ago when I originally put them out. Obviously didn't have a trap by either one now. And this morning I saw a coyote working one of them today. Looked at pipe and it is all imprinted with teeth. Just wanted to pass that along. Five month old bait with sheep wool in pipe and still good. Lol. I thought it was interesting anyway.

Pipes are good bait holders, the bedding method is the best thing out of the whole set tho.

I’ve got a pipe I couldn’t get up that has been there over 2 years now. It was stubbed up about 2-3” above the deck. After the first year I had to stick my driver in it to open it up because they had chewed it shut. Now it’s stubbed up at ground level and still produces every year...coyotes, bobkitty’s, even coons and possums.

I’m going with longer pipes next year and leave about 6” stubbed up. I really think that would help with the ants building their beds over it.

Just goes to show how long bait and lure lasts.

You don't have to have a pipe for that response. I think if many people would go back and look at their sets months later with quality bait or lure they'd be surprised just how long they get worked. Snow is amazing at telling the story if you ever have some free time after a dusting to go back to your old sets.

Not everyone has snow, but apparently not every one has ants either, lol.

I took my Labrador retriever with me to pick up my snares one year at the end of February. Even under 3-4 feet of snow he investigated all 4 spots I had put a dirt hole in November. He pawed at the snow and sniffed

Caught a coyote in a set that has been there for 83 days after being lured. And the dirt hole had been under water at least twice. I do think old sets hold some of the attractiveness so long partly because target animals regularly check them out once they know they are there and keep remarking them when they visit. For most of the 83 days my trap was froze in and I could see fresh droppings at the set and I feel confident they were peeing there also.

We have ants just not the crazy people eating ones like you in Georgia. Lol. The OP was from Nebraska, sorry to pick on you southern folk

Usually I trap for 10 to 21 days and move on. But some times. I will set 5 or 6 traps for the landowners son to run. They will check them. And if a catch is made. They will pull trap and take it back to lodge. And I will get it next trip. Had a Flat Set go 47 days before a coyote move back in and got caught AND the ants down here in Alabama are the worst i have seen in years. Misquote and nats. Will make you want to quit a trapping job down here! LoL!

So are you saying coyotes will hit a set even after ants have covered it up?

I made a set just off the county road here one fall, a badger was working there and I had never caught one (we have very few in this area) so I thought I should remedy that and put in a dirthole there. Drove past it every day when I left the house and could check it out the drivers window as I drove by, so it was no hassle. Badger apparently moved on and I saw no sign after I set the trap. Winter came and it snowed about 4 feet over it. Well that trap is out of commision! I was lazy and didn't want to dig down through that much snow to get the trap, besides I still drove by it every time I left the house, so no big deal. Come March the snow melted off it and hadn't been off it more than a couple days, went by it one morning, nothing. Came back a couple hours later and there is a big dog coyote bouncing in it. So from somewhere around the first part of November to mid-March. Now granted I used a fairly loud skunky lure, but it hadn't been relured at all.

Got me thinking maybe some trappers (myself included) may over lure sets. And relure too often as well.

If a coyote really likes what you use you can't use too much. If he's just mildly curious that curiosity can be satisfied from a distance if too much is used. But if it's only mildly curious to them some will walk by without working set any way. This just a generalization there could be exceptions. I know with what I consider top shelf ingredients the more you put down a hole the more intense the reaction. But too often can cause issues . Personally I rarely relure or rebait.

Will add some lure Will cause a rolling response if used too much of, especially at flat sets

No need to relure one and done might add something else.
The only time a set gets more lure is a remake.
Wade is absolutely correct it's not just pipes that get that kind of a response .

I had some pipes out that didn't get pulled because of frost. Went the end of April and everyone had been pulled and chewed on. So I decided to go check some of the old stepdown dirtholes. They all had been worked with some looking like a bomb went off. Sets were made the first couple of weeks in November, so sets were 5+ months old. They had never been rebaited from setting. Sets get baited once, then left alone. Since I've started doing that, my catch has went up. I've also almost entirely quit using lure. If on location, bait only works great for me.