https://dxnest.com/yen-vun-xo-tinh-che-50g/
https://dxnest.com/yen-vun-xo-tinh-che-100g/
Ducks are an important part of any sustainable, small-scale agriculture system. They eat weeds, bugs and other pests and add to the aesthetic and water quality of gardens and pastures. But they also need a place to nest, and when they're young, mallard ducks are especially vulnerable to predators. Providing can help them thrive in the face of habitat loss and other factors that have lowered their survival rate. Many people find that wild mallards are drawn to hen houses, which can provide an