Valbazen is more often found online. I like it because 1/2 ml orally, and repeated in 10 days will get most possible worms except for tapeworms, a more rare one. The SafeGuard liquid Goat Wormer is found at most all feed stores. Dosage is 1/4 ml per pound of weight given one and and again in 10 days for only roundworms. To treat most types of worms give it for 5 consecutive days. With both wormers, a 14 day egg withdrawal time is sufficient. Many people do ignore that and still use the eggs, though.
With the recent warmer weather, some birds are drinking more water and eating more grasses, and that can make the droppings more loose and runny. I am a fan of using probiotics in the water once or twice a week. Probios powder or the generic is found at feed stores, and I sometimes give a spoonful of plain Greek yogurt, a brand that has just live cultures on the label. A small cup is around a dollar.
