Many aquaculture farmers are aware of this problem and collect chicken dung and sprinkle it into the fish pond to feed fish with chicken dung fertilizer. However, many farmers' experiments are not successful. Most of them have problems in chicken dung treatment!

Vitamin D3, also known as cholecalciferol, is a kind of vitamin D. vitamin D is a fat soluble vitamin, which is also regarded as a hormone precursor acting on calcium and phosphorus metabolism

How to supplement vitamins in the breeding process of laying broilers?