Did you look for coccidia oocysts? They don't stand out well in the first place and could be very hard to see in those conditions, but dark stinky poop is typical presentation. Adults are less prone to it than kids but can still get it. If it seems different than when she had high worms levels I'd strongly suspect that.Meadows, my oldest nanny, had a bout with barberpole about 8 weeks ago. She was treated with Valbazen and Cydectin on the now, 10 day and 10 day fecal to see if she needed another dose. She didn’t need the 3rd dose according to fecal but was very anemic and a famacha score of 5. I started with a thiamine shot and then 4 days of vitamin b complex at 6ml, then red cell at 10 ml daily for 7 days, then once a week until I saw a little pick, which was about 3 weeks out. This past Saturday I notice some heavy clumping in the pens where I let them (herd) hang out at night. After a day or two of trying to figure out who was doing the clumping, it was her. I did a fecal on a fresh clump and it was the consistency of a small calf in size and shape. When I collected a fresh part of one of these clumps, it had a very distinct odor of just what it was. When I processed it for the fecal, the mixture was so dark that I had trouble seeing the parasites in the McMaster slide. I did see about 17-18 stomach worms, BP, whip and other. I have never had a fecal this dark before. I am going to give her in the morning, Valbazen @ 10ml and Cydectin @ 23ml (weight 110-120lbs) using 2 different drench guns) unless any of you think differently. We have had some rain off and on and I have cut back on the hay so they all will eat the pasture browse. Her famacha score at present is about a 4. Ideas of what you all would do will be appreciated. I have always had a problem getting her famacha score below a 3. Thanks
Also, her kids are at prime age to get it and could pick it up from her so if you see any I'd dose them too. They're borderline for whether or not they could be shedding yet but it can affect them before that.