Common name: Conch. Animal Feed Enzymes,Feed Enzymes For Poultry,Feed Enzymes For Pigs ,Feed Enzymes For Ruminant,Feed Enzymes For Aquatics Sunson Industry Group Co., Ltd , https://www.sunsonchinaenzymes.com
Origin and production period:
Widely distributed, the output in Bohai Bay is higher. The main producing areas are Dalian, Yantai, Weihai, Qingdao and other places.
Introduction:
Shells are large, up to 11 cm wide and 9 cm wide. The shell is very strong. The top of the shell is thin. The helix is ​​small, about 1/5 to 1/4 of the shell height. The body spiral layer is extremely swollen and the spiral layer has 6 layers. The width of each layer increases rapidly and there are developed shoulder angles. Sutures and growth lines are obvious. Rough surface, with neat and flat spiral ribs and fine grooves. There are three or four thick ribs with nodular protuberances under the shoulders of the body screw, especially one of the largest in the base. The shell is oval in shape, large and protruding, with a short, wide groove at the bottom of the shell. The inner lip is thick and thin in front; the lip of the outer lip has a notch equivalent to the screw rib, and the inner surface has a rib pattern equivalent to the shell rib. Horny, oval, nuclear side. Spiral yellow-brown, brown-black spots. The shell is apricot red with a pearl sheen.