Additive prepared from crayfish shells and used for improving calcium and phosphorus absorption of laying hens

• Main Authors: FENG JIANKUI, QUAN LULU, CHANG XIYAN, HUANG LIANJU, ZHOU YANZHOU, KANG BOWEN, WANG SHUNYANG, MU JIANPING, XIAO SHUGUANG, NIE FURONG, LI YANG, MU ZHAOKUN, WEI TIANTIAN, LI GUOYONG, XING QIYIN, XI LEI, WANG XUEFAN, LI XINZHENG, ZHANG XIAO, MA ZHENGCAI, LI GUOJIAN, XING LIMIN, SUN QINGYUN, PEI YONGCHUN, WANG SHAOLONG, GUO LIANGXING, HUANG ANQUN, GUO XIAO, ZHANG SU
• Format: Patent
• Language: Chinese; English
• Published: 23.10.2020
• Subjects: FODDER; FOODS OR FOODSTUFFS; HUMAN NECESSITIES; THEIR TREATMENT, NOT COVERED BY OTHER CLASSES

The invention provides an additive prepared from crayfish shells and used for improving calcium and phosphorus absorption of laying hens. The additive comprises the following components: 45-55% of crayfish shell, 29.50-54.55% of Chinese wolfberry, 0-20% of Chinese yam peel, 0.09-0.11% of bee peptide, 0.27-0.33% of tachyplesin and 0.09-0.11% of glucosamine. A preparation method of the additive prepared from the crayfish shells and used for of improving calcium and phosphorus absorption of laying hens comprises the following steps: S1, preparing the crayfish shells: drying and crushing crayfishshell raw material, adding ethyl acetate, and performing uniform stirring by weight; S2, collecting Chinese wolfberry fallen fruits, performing cleaning and drying, adding talcum powder, and performing crushing to prepare Chinese wolfberry powder; S3, washing and peeling Chinese yams, and crushing the peeled Chinese yams into Chinese yam peel powder by using a crusher; and S4, putting the preparedcrayfish shell powder, Ch