The hobby of pets with live food is very important to enrich the nutrition of prey with gut loading. Most hobbies provide live food, frozen feed or processed preserved feed that is bought on the market. Often if you buy live food in the market, the nutritional content of the prey is gone. This is because the sellers do not pay attention to the nutritional content of these prey. We need to overcome this. These factors cause us to really need to enrich the nutrition of prey with loading gut.