I forgot to add that after withholding feed for 24 hours, and then worming them, your birds will be very hungry. Wait at least 3 hours after worming before feeding them.
Then only feed them a little at a time, gradually increasing feed during the day back to normal feeding.
If you give them feed...
The Equimax will be in the Equine section at your feed store. It's safe to go ahead and use the Equimax.
Valbazen is an excellent wormer getting rid of all types of roundworms, hang on to it for future use.
ALL wormers are more effective when feed is withheld for 24 hours. Withholding feed...
Valbazen will treat tapeworms if feed is withheld for 24 hours, given higher doses, and redosed over several days. The better option is Equimax paste, the initial dose early in the morning before they eat, and another dose 10-14 days later....done.
You are already seeing symptoms, segments in feces. Eventually the infected chicken(s) will become weak, emaciated and slowly die from starvation. The immune system will also weaken, opening the door for diseases to invade the chickens system.
It's best to toss eggs in the garbage 14 days after dosing with Equimax.
Insects are the host of infective tapeworm eggs. Chickens eat the infected insect, then the chicken becomes infected. Keep in mind that not all insects are infected.
They are tapeworm segments. Purchase Equimax equine paste wormer at a feed store and see if you can isolate the bird that excreted that particular feces...if you know which bird it was, and treat her with the Equimax. Then redose again in 10 days.
The dosage is in this link...