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Effect of replacement of soybean oil by Hermetia illucens fat on performance,digestibility,cecal microbiome,liver transcriptome and liver and plasma lipidomes of broilers

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Journal of Animal Science and Biotechnology 2023年第4期14卷 1466-1484页

作者： Lea Schäfer Sarah M.Grundmann Garima Maheshwari Marcus Höring Gerhard Liebisch Erika Most Klaus Eder Robert Ringseis Institute of Animal Nutrition and Nutrition Physiology Justus Liebig University GiessenHeinrich-Buff-Ring 26-3235392 GiessenGermany Institute of Nutritional and Food Sciences Molecular Food TechnologyUniversity of BonnFriedrich-Hirzebruch-Allee 753115 BonnGermany Institute of Clinical Chemistry and Laboratory Medicine University Hospital of RegensburgFranz-Josef-Strauss-Allee 1193053 RegensburgGermany.

Background In contrast to protein-rich insect meal,the feed potential of insect fat is generally less explored and knowledge about the suitability of insect fat as a fat source specifically in broiler diets is still *** view of this,the present study aimed to comprehensively investigate the effect of partial(50%) and complete replacement of soybean oil with insect fat from Hermetia illucens(HI) larvae in broiler diets on performance,fat digestibility,cecal microbiome,liver transcriptome and liver and plasma ***,100 male,1-day-old Cobb 500 broilers were randomly assigned to three groups and fed three different diets with either 0(group HI-0,n cens(HI) larvae fat for 35 d.= 30),2.5%(group HI-2.5,n %(HI-5.0,n = 35) or 5.0= 35) Hermetia illuResults Body weight gain,final body weight,feed intake,and feed:gain ratio during the whole period and apparent ileal digestibility coefficient for ether extract were not different between *** microbial diversity did not differ between groups and taxonomic analysis revealed differences in the abundance of only four low-abundance bacterial taxa among groups;the abundances of phylum Actinobacteriota,class Coriobacteriia,order Coriobacteriales and family Eggerthellaceae were lower in group HI-5.0 compared to group HI-2.5(P liver and cholesterylester and ceramide in plasma(P < 0.05),and of the sum of all lipid classes were not different between *** Partial and complete replacement of soybean oil with HI larvae fat in broiler diets had no effect on gro

关键词： Broilers Cecal microbiota Hermetia illucens Insect fat liver lipidome Medium-chain fatty acids

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