If he handles the chicken RMBs well for a few days, you can try adding some bland veggie mix (with perhaps some lean ground meat to tempt).

• 如果他很好的适应了一段时间用生鸡肉做主食，你可以试着加进一点柔和的素食的混合物（在上面放一点瘦肉来引诱）。