In extreme cases they may not even find enough basic protein. Writing in bee culture this February, Mr Traynor observes that places where crops with low-protein pollens, such as blueberries and sunflowers, are grown are also places where CCD has appeared. 今年二月出版的《蜂文化》月刊的一篇文章中写道,特瑞纳先生注意到大量种植了花粉中蛋白质含量低的作物如越橘和向日葵等的地区,也就是出现过蜂群崩溃失调症的地区。