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Effects of raw and fermented rapeseed cake on ruminal fermentation, methane emission, and milk production in lactating dairy cows

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cris.virtual.author-orcid0000-0002-7227-0654
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cris.virtual.author-orcid0000-0003-0086-5744
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cris.virtualsource.author-orcida70fdbf9-36a9-4137-b5a3-379860f8ebe4
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cris.virtualsource.author-orcid765a870a-84d2-4afa-bbf8-e55a99e20a9b
dc.abstract.enThe objective of this study was to evaluate the effects of replacing raw rapeseed cake (RC) with fermented rapeseed cake (FRC) in the diet of dairy cows on methane (CH4) production, ruminal fermentation, and milk production, composition, and fatty acid composition. The Hohenheim gas test (exp. 1) was initially used to evaluate RC and FRC as substrates. Following batch fermentation, an in vitro study (exp. 2) was performed to assess the effects of replacing RC with FRC at 28.75, 57.5, 86.25, and 115 g/kg (FRC25, FRC50, FRC75, and FRC100) in the total mixed rations (TMR). Based on the in vitro results, the control TMR (115 g/kg dry matter (DM) of RC; CONRC) and experimental TMR (115 g/kg DM of FRC; FRC100) were chosen for an in vivo assessment. In exp. 3, four ruminally cannulated cows were used in a replicated 2 (group) × 2 (period) crossover design and fed the TMR ad libitum. In exp. 4, twenty multiparous Polish Holstein-Friesian cows in their mid-lactation (148 ± 26 d in milk) were used in a completely randomized design. The cows were fed a partial mixed ration without the RC and FRC, and the RC and FRC were supplied in a concentrate feeder at 2.65 kg/d/cow. The FRC100 markedly decreased CH4 production by 12% and archaeal population without adversely affecting nutrient digestibility. The molar proportion of propionate was increased, and the molar proportion of acetate and butyrate and acetate to propionate ratio were decreased by FRC100. No significant effects on milk production or composition, except an increase in milk urea concentration, were observed in cows fed FRC100. Milk C18:2 cis-9, trans-11 concentration was greater, and n-6 to n-3 fatty acid ratio was lower for FRC100 than CONRC. In-situ ruminal degradation of RC and FRC were explored using in-sacco techniques (exp. 5). The potential degradation and effective degradability of the DM, organic matter, and crude protein were significantly higher for FRC than RC. These results suggested that FRC could mitigate enteric CH4 production by decreasing archaeal abundances without adversely affecting milk production and ruminal fermentation in lactating cows.
dc.affiliationWydział Medycyny Weterynaryjnej i Nauk o Zwierzętach
dc.affiliation.instituteKatedra Żywienia Zwierząt
dc.affiliation.instituteKatedra Nauk Przedklinicznych i Chorób Zakaźnych
dc.contributor.authorGao, Min
dc.contributor.authorCieślak, Adam
dc.contributor.authorHuang, Haihao
dc.contributor.authorGogulski, Maciej
dc.contributor.authorPetrič, Daniel
dc.contributor.authorRuska, Diāna
dc.contributor.authorPatra, Amlan Kumar
dc.contributor.authorEl-Sherbiny, Mohamed
dc.contributor.authorSzumacher, Małgorzata
dc.date.access2025-05-30
dc.date.accessioned2025-09-10T08:08:44Z
dc.date.available2025-09-10T08:08:44Z
dc.date.copyright2023-04-06
dc.date.issued2023
dc.description.accesstimeat_publication
dc.description.bibliographyil., bibliogr.
dc.description.financepublication_nocost
dc.description.financecost0,00
dc.description.if2,5
dc.description.numberJune 2023
dc.description.points200
dc.description.versionfinal_published
dc.description.volume300
dc.identifier.doi10.1016/j.anifeedsci.2023.115644
dc.identifier.eissn1873-2216
dc.identifier.issn0377-8401
dc.identifier.urihttps://sciencerep.up.poznan.pl/handle/item/4704
dc.identifier.weblinkhttps://www.sciencedirect.com/science/article/pii/S0377840123000780
dc.languageen
dc.relation.ispartofAnimal Feed Science and Technology
dc.relation.pagesart. 115644
dc.rightsCC-BY
dc.sciencecloudsend
dc.share.typeOTHER
dc.subject.enfermented rapeseed cake
dc.subject.enenteric methane
dc.subject.enruminal fermentation
dc.subject.enmilk yield
dc.subject.enfatty acid profile
dc.titleEffects of raw and fermented rapeseed cake on ruminal fermentation, methane emission, and milk production in lactating dairy cows
dc.typeJournalArticle
dspace.entity.typePublication
oaire.citation.volume300