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The subject of intentional breeding or meat rabbits is prohibited. The answers provided on this board are for general guideline purposes only. The information is not intended to diagnose or treat your pet. It is your responsibility to assess the information being given and seek professional advice/second opinion from your veterinarian and/or qualified behaviorist.
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You've gotten some great links. I also am a fan of rabbit.org for information. Rabbits definitely need greens, but you need to wait until they are about 12 weeks old to slowly introduce veggies.
And though pine shavings are not safe, dried pine pellets are okay because the dangerous oils are dried out. So for example woodstove pellets, and feline pine are examples of safe litter made from pine.