How to raise grass and birds in winter

Grass and birds must pay attention to keep warm in winter. The temperature should be at least 0 ° C. It is best to put it in a warmer environment for insurance. At the same time, it is necessary to pay attention to windproof. Once it is blown by the cold wind, the damage is still great.Daily feeding can be a little more, and the choice of feed still has not changed. Usually, grain, mules and Xiaomi are used as feed. At the same time, bone meal and oyster powder are added to supplement it with a little calcium.