期刊
MEAT SCIENCE
卷 158, 期 -, 页码 -出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.meatsci.2019.05.008
关键词
Meat quality; Intramuscular fat; Finishing pigs; Hermetia illucens larvae; Lipid metabolism
资金
- Presidential Foundation of the Guangdong Academy of Agricultural Sciences [201802B, 201621]
- Guangdong Modern Agro-industry Technology Research System [2016LT1080, 2017LT1080]
- key project of Guangzhou Science and Technology Plan [201707020007]
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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