他们说，平均一只牧羊犬每年要吃194公斤肉和95公斤谷类食品，对地球环境产生巨大影响。

They say an average Collie eats 164kg of meat and 95kg of cereals a year, giving it a high impact on the planet.

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头与头骨：拉布拉多犬的线条明显的宽头骨，轮廓清楚，没有多肉的脸颊，中等长度的嘴部，有力但不细长，鼻子宽鼻孔大。

Skull broad with defined stop; clean-cut without fleshy cheeks. Jaws of medium length, powerful not snipy. Nose wide, nostrils well developed.

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