Use of Hermetia illucens larvae as a dietary protein source: Effects on growth performance, carcass traits, and meat quality in finishing pigs
文献类型： 外文期刊
作者： Yu, Miao 1 ; Li, Zhenming 1 ; Chen, Weidong 1 ; Rong, Ting 1 ; Wang, Gang 1 ; Li, Jianhao 1 ; Ma, Xianyong 1 ;
作者机构： 1.Guangdong Acad Agr Sci, Inst Anim Sci, Guangzhou 510640, Guangdong, Peoples R China
2.State Key Lab Livestock & Poultry Breeding, Guangzhou 510640, Guangdong, Peoples R China
3.Minist Agr, Key Lab Anim Nutr & Peed Sci South China, Guangzhou 510640, Guangdong, Peoples R China
4.Guangdong Publ Lab Anim Breeding & Nutr, Guangzhou 510640, Guangdong, Peoples R China
5.Guangdong Engn Technol Res Ctr Anim Meat Qual & S, Guangzhou 510640, Guangdong, Peoples R China
关键词： Meat quality; Intramuscular fat; Finishing pigs; Hermetia illucens larvae; Lipid metabolism
期刊名称：MEAT SCIENCE （ 影响因子：5.209； 五年影响因子：5.305 ）
ISSN： 0309-1740
年卷期： 2019 年 158 卷
页码：
收录情况： SCI
摘要： This study investigated the effects of feeding Hermetia illucens larvae (0, 4, and 8%; HI0, HI4, and HI8 groups, respectively) on growth performance, carcass traits, and meat quality of finishing pigs. Results showed that the HI4 diet increased (P < .05) final body weight and average daily gain and decreased (P < .05) feed to gain ratio compared with HI0 and HI8 group. HI4 and HI8 diets increased (P < .05) loin-eye area, marbling scores, and inosine monophosphate content of longissimus thoracis (LT) compared with HI0 diet. The intramuscular fat content was greater (P < .05) in HI4 group than in the HI0 group. Furthermore, HI4 diet up-regulated (P < .05) lipogenic genes and MyHC-IIa mRNA levels in LT compared with HI0 diet. Our results indicated that dietary inclusion of H. illucens larvae has a beneficial impact on growth performance and meat quality, and the underlying mechanism may be due to the altered lipogenic potential induced by H. illucens larvae.
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