I've been trying to read up on using Ivermectin, I have read that some people use the 1/2 cc on the back of the neck of the sheep drench for lice and mites. Obviously this wouldn't help with any internal worms using this type of application, or am I incorrect? I have also been reading on Valbazen. I am new to chickens and I am just figuring out terminology and that a drench is meant to use with a tube (gun?) that gets inserted down the throat to get the product into the animal. So how difficult is this with a chicken and is there a special drench tube for chickens? Also how is the injectable given? Feel free to laugh, but I assumed that a drench was to be applied as in bathing and an injectable would be given by a needle? So obviously the drench is meant to be given orally (by a tube (gun?) down the throat) so how is the injectable given? I am mainly looking for abroad spectrum wormer that isn't going to cost me an arm and a leg...I'm fine with spending $30 dollars or so, but to buy the drench gun and wormer it would be more like $60! So what are my options? I'm not even sure if the girls need to be wormed, I have one in particular that is not doing well and I have her indoors and I am just going on a hunch that her problem could be worms as she is severely under weight to where if I pick her up and set her down I have to help balance her so she doesn't fall on her face until she gets her weight on her two feet. I also know I need to treat her for lice and mites ( I just started with DE but I still see lice after 4 or 5 days). It doesn't look like a severe case yet as I have seen pictures online and she is no where near as bad off as the pictures I have seen. She may also have mites as well. Her vent seems to be free of any bugs though but I picked up some Garden & Poultry Dust for the lice and mites. I am also wondering if there is a product with an application that would get lice, mites, and internal/stomach worms? I'm hoping her problem is just worms or the lice and not something else like a coccidia but I don't have the money to take her to a vet and called to find out the price of s stool sample and it was nearly the same price as the fee they charge for an office visit! I originally thought the hen that I need to treat was egg bound but she hasn't passed an egg and some days she stands/sits with a tucked tail and other days she looks like she is sitting normal. I gave her a couple warm water baths but she didn't pass anything. She had a distended abdomen so I thought maybe she is an internal layer but I think some of the swelling has gone down, but it is hard to judge because she is so under weight that I can feel her breast bone a good inch on each side all the way down to her abdomen. (Sorry I got side tracked!) I would like the worm the other girls as well in the coop so I'm looking for something with easy application, just not sure how comfortable I am trying to stick tubing down the throat of a chicken and not get the air hole. Would using a syringe and giving it to them in their mouth work instead of using the drench gun? Sorry for so many questions!