I would say she can try anything .but not to many greens,fruit,carrots,petshop treats,good quality hay.My rabbits start to eat the same as mum as soon as they start to eat(younger than yours)good luck.

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Quality steel internal stabling systems wood/plastic boards ,training pens,also kennels/catterys,mesh/bars.Quality gates/ornamental fencing.A+P FABRICATIONS(SUFFOLK)