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Replacement of soybean oil with cold-extracted fat from Hermetia illucens in young turkey diets: Effects on performance, nutrient digestibility, selected organ measurements, meat and liver tissue traits, intestinal microbiota modulation, and physiological and immunological status

cris.virtual.author-orcid0000-0001-6006-117X
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cris.virtual.author-orcid0000-0001-8734-724X
cris.virtual.author-orcid0000-0002-7182-6905
cris.virtual.author-orcid0000-0001-9792-1145
cris.virtual.author-orcid0000-0003-0715-0223
cris.virtual.author-orcid0000-0002-6606-7975
cris.virtualsource.author-orcidaa495cd9-8e77-4c18-890a-9f4da0d598bc
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cris.virtualsource.author-orcid1da983b0-605e-4368-b9d6-b560779a3cdc
cris.virtualsource.author-orcid325904ea-6775-4d8a-b846-0104d9ec20ca
cris.virtualsource.author-orcid1815dbc7-82a3-4ce5-8dc9-bbe17826792b
cris.virtualsource.author-orcid0c22ceb5-e5c6-4f5d-a0fd-8ec91a16efa9
cris.virtualsource.author-orcidf5683666-5139-4173-800e-278b2903d57b
dc.abstract.enThis study aimed to evaluate the partial or total replacement of soybean oil with cold-extracted Hermetia illucens larvae (BSFL) fat in young turkey diets on growth performance, coefficients of apparent ileal nutrient digestibility, pancreatic enzyme activities, selected gastrointestinal tract (GIT) segment measurements, microbial community modulation, selected biochemical blood indices, hormone concentrations, immune status traits, and muscle and liver tissue traits. A total of 216 7-day-old female turkeys (B.U.T. 6) were randomly allotted to 3 dietary treatments. Each group contained 6 replicate pens with 12 birds per pen. The birds were fed a soybean-maize basal diet enriched with 50 g/kg dietary fat, i.e., soybean oil (SO) in the control group, 50:50 SO and H. illucens larvae fat in the BSFL50 treatment group, and BSFL fat as the sole energy source in the BSFL100 group. The experiment lasted 28 days. The provided BSFL fat was characterized by high lauric and palmitic acid contents, as well as saturated fatty acids (SFAs), while concentrations of mono- and polyunsaturated fatty acids were higher in the SO group. The growth performance parameters were not affected (P > 0.05) by BSFL fat substitution. However, the apparent ileal digestibility of the ether extract was significantly increased (P < 0.001) after BSFL fat inclusion as the sole energy source with simultaneous enhancement (P < 0.001) of lipase activity. Partial or total replacement of SO with BSFL fat improved cecal microbiota communities by limiting (P < 0.001) Bacteroides-Prevotella cluster counts. Additionally, the beneficial effect of BSFL100 was observed in the case of a decreased (P = 0.004) IL-6 concentration. In conclusion, it is possible to partially or totally substitute SO in turkey diets with cold-extracted BSFL fat without any negative effect on growth performance, nutrient digestibility, physiological traits, or immunological status traits. Furthermore, the cold-pressing technique can be adopted and recommended to obtain BSFL fat as a dietary energy source in turkey nutrition.
dc.affiliationWydział Medycyny Weterynaryjnej i Nauk o Zwierzętach
dc.affiliation.instituteKatedra Żywienia Zwierząt
dc.affiliation.instituteKatedra Zoologii
dc.affiliation.instituteKatedra Fizjologii, Biochemii i Biostruktury Zwierząt
dc.contributor.authorKierończyk, Bartosz
dc.contributor.authorSypniewski, Jędrzej
dc.contributor.authorMikołajczak, Zuzanna
dc.contributor.authorRawski, Mateusz
dc.contributor.authorPruszyńska-Oszmałek, Ewa
dc.contributor.authorSassek, Maciej
dc.contributor.authorKołodziejski, Paweł
dc.contributor.authorJózefiak, Damian
dc.date.access2025-12-12
dc.date.accessioned2025-12-22T10:48:04Z
dc.date.available2025-12-22T10:48:04Z
dc.date.copyright2022-03-04
dc.date.issued2022
dc.description.accesstimeat_publication
dc.description.bibliographybibliogr.
dc.description.financepublication_nocost
dc.description.financecost0,00
dc.description.if3,2
dc.description.numberApril 2022
dc.description.points200
dc.description.versionfinal_published
dc.description.volume286
dc.identifier.doi10.1016/j.anifeedsci.2022.115210
dc.identifier.eissn1873-2216
dc.identifier.issn0377-8401
dc.identifier.urihttps://sciencerep.up.poznan.pl/handle/item/6462
dc.identifier.weblinkhttps://www.sciencedirect.com/science/article/pii/S0377840122000086
dc.languageen
dc.relation.ispartofAnimal Feed Science and Technology
dc.relation.pagesart. 115210
dc.rightsCC-BY
dc.sciencecloudnosend
dc.share.typeOTHER
dc.subject.enyoung turkey poults
dc.subject.eninsects
dc.subject.enblack soldier fly
dc.subject.endietary fat
dc.subject.enalternative energy source
dc.subject.enimmune status
dc.titleReplacement of soybean oil with cold-extracted fat from Hermetia illucens in young turkey diets: Effects on performance, nutrient digestibility, selected organ measurements, meat and liver tissue traits, intestinal microbiota modulation, and physiological and immunological status
dc.typeJournalArticle
dspace.entity.typePublication
oaire.citation.volume286