I'm guessing it is cooling down well there by now. Since you have 2 bucks, and does, I think it is heat related. Follow the feeding guide on the bag they may eat it all in an hour or two, don't give in to begging or treats. Timothy grass hay you can free feed. Keep trying, check the doe, if she is swollen and dark red to purplish in color she will breed readily, even to the point of positioning herself from the moment you put her with him. I have had does chase the buck around and hump him, then breed very well. If you don't think they are in estress, (seems like they are all the time) put her in his cage and him in hers for a couple days. His scent will bring her around. Remember, the length of daylight ours is the controller for all animals breeding and even chickens laying. 12- 14 hours of light a day is optimum. Let us know how it works out. Good luck
Don't know about the worming, I have never wormed or seen worms in my dressed rabbits stool, or digestive tract. They can get the same parasitic skin worms that wild rabbits get, weevils I believe is the name, but this will not effect breeding. Be careful what you use OR better yet, check with your vet.If you don't have stool issues, I don't see the need for worming. Consult an expert though. This, I am not.
Here is a bit about hours of light. If you don't want a horse to breed, keep her in the barn all day and turn her out at night, she will never come into heat, so said a horseman I worked with. Also, scientists were going to put reflective panels into orbit for more sunlight. That idea was quickly dropped after they found it would effect the entire ecosystems cycle of life. Don't play with mother nature haha, we have done enough damage as a species all ready and more to come as people live longer and more being born at record numbers.
Going off subject here, STOP HERE IF YOU ARE EASILY OFFENDED. but it still effects the natural order of things and wildlife's ability to live as well as our future childrens chance to own land enough to do what we do, raise our own food. One country allows 1 child per couple. If you have more, there is a steep tax like penalty to pay. They are literally sleeping on top of one another now, sounds like a good plan to me. 3rd world countries, on the other hand, where they are forced into prostitution as a teenage girl, by her own brothers mind you, unmarriageable, and unwanted now do to this. Birth control is non existent, and they can't even feed themselves, let alone a bunch of kids. voluntary sterilization is the only way to stop the growth. They have Drs doing everything else from all over the world as volunteers, let them help these girls and women who have no choices and treated more like animals than people as far as status in their society. Something will change for us if we don't do it to our self first, nature will come up with a plague to kill off a bunch of mankind, just as it does in every overpopulated animal species on the planet. We can so far, stay ahead of nature with vaccines. THIS IS MY OPINION ONLY HERE EVERYONE. NO OFFENCE MEANT TO ANYONE.