Feed him pellets twice a day. That’s a good way to get him to learn that you are the bringer of all things good. My bunnies dance around my feet at feeding time. I would not use the pellets with all those goodies in them. There are many good brands to choose from such as oxbow, small pet select, american pet diner. I think Oxbow has a good variety of pellets, and prices. Those seeds have a bit much protein and fat, and you really want your bunny getting used to eating hay, and not filling up on snack food. Thank Goodness no skittles! One of my bunnies was fed chocolate before I adopted him. His favorite food was reported to be – M&Ms. He was in a very sad condition when they surrendered him to the animal shelter.
When picking a pellet, I look for the highest fiber content first. Like between 20 and 26%. I get Smell Pet Select, and Oxbow Benne Terra Organic, and Oxbow Animal Natural Science, and I mix the three, for variety. I wouldn’t go lower than 20% fiber. For protein content, at 5 months, 14 or 15% is fine. Once he is 10-12 months, I’d switch him to 12% protein. Fat content around 2.5/3%. There is much to be read about pellets and nutrients. If you do a word search for pellets, or scroll through the forum here, you’ll find plenty to read up on. When I first got bunnies, I was using the $17 50lb bag of pellets from the feed store. My bunnies did just fine on it. But they were also outdoor bunnies at the time and ate loads of grass. So fiber wasn’t an issue. Now that they are indoors and have to learn to eat loads of hay, I look for all the fiber I can find. Walmart doesn’t carry any rabbit pellets that I would purchase. I have possibly seen decent pellets at pet stores, but I buy mine online. I try to avoid “middlings”, corn, and soy. I try not to spend more than $3 per pound of pellets. Some people can afford to spend more, others spend less. We pick the best food we can pick, and take our wallets into consideration. A five-month old bunny should be fed unlimited pellets (as long as he doesnt’ get overweight). By 7 months, start limiting the pellets to 1/2 cup per 6lb body weight. I feed mine 1/3 cup each a day. They are inbetween 5 and 7.5 lbs.
So… If I were you, I would feed him just plain pellets twice a day (not the treaty seedy cookie kind), unlimited hay, and veggies 2 or 3 times a day. Experiment to find out which veggies he likes. I go through the veggie section at the grocery store (in summer I grow veggies for them). I start at the left, and make my way through. I give them 6 varieties a week. (In summer I give them 20 varieties from my veggie garden). Back to the grocery store – I skip the carrots, hot peppers, green beans, peas, turnip bulbs, beet bulbs, parsnip bulbs, broccoli, cauliflower, onions, potatoes, squash, tomatoes and all fruit. I give them every other veggie on the refrigerated shelf which includes every type of leaf, celery, bell pepper, every type of cabbage, and cucumber. I keep basil, sage, mint, thyme, rosemary, and cilantro growing in pots year round, and feed sprigs to the bunnies. The chocolate-fed male that I adopted, took a while to learn to eat veggies. And even longer to eat herbs.