Genes and models for estimating genetic parameters for heat tolerance in dairy cattle

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cg.authorship.typesCGIAR and developing country instituteen
cg.authorship.typesCGIAR and advanced research instituteen
cg.contributor.affiliationSokoine University of Agricultureen
cg.contributor.affiliationInternational Livestock Research Instituteen
cg.contributor.affiliationTanzania Livestock Research Instituteen
cg.contributor.affiliationVirginia Polytechnic Institute and State Universityen
cg.contributor.donorCGIAR Trust Funden
cg.contributor.initiativeSustainable Animal Productivity
cg.creator.identifierRaphael Mrode: 0000-0003-1964-5653
cg.howPublishedFormally Publisheden
cg.identifier.doihttps://doi.org/10.3389/fgene.2023.1127175en
cg.isijournalISI Journalen
cg.issn1664-8021en
cg.journalFrontiers in Geneticsen
cg.reviewStatusPeer Reviewen
cg.subject.actionAreaResilient Agrifood Systems
cg.subject.ilriCATTLEen
cg.subject.impactAreaPoverty reduction, livelihoods and jobs
cg.volume14en
dc.contributor.authorHabimana, Vincenten
dc.contributor.authorEkine-Dzivenu, Chinyere C.en
dc.contributor.authorNguluma, A.S.en
dc.contributor.authorNziku, Z.C.en
dc.contributor.authorMorota, G.en
dc.contributor.authorChenyambuga, S.W.en
dc.contributor.authorMrode, Raphael A.en
dc.date.accessioned2023-03-21T09:56:36Zen
dc.date.available2023-03-21T09:56:36Zen
dc.identifier.urihttps://hdl.handle.net/10568/129700
dc.titleGenes and models for estimating genetic parameters for heat tolerance in dairy cattleen
dcterms.abstractDairy cattle are highly susceptible to heat stress. Heat stress causes a decline in milk yield, reduced dry matter intake, reduced fertility rates, and alteration of physiological traits (e.g., respiration rate, rectal temperature, heart rates, pulse rates, panting score, sweating rates, and drooling score) and other biomarkers (oxidative heat stress biomarkers and stress response genes). Considering the significant effect of global warming on dairy cattle farming, coupled with the aim to reduce income losses of dairy cattle farmers and improve production under hot environment, there is a need to develop heat tolerant dairy cattle that can grow, reproduce and produce milk reasonably under the changing global climate and increasing temperature. The identification of heat tolerant dairy cattle is an alternative strategy for breeding thermotolerant dairy cattle for changing climatic conditions. This review synthesizes information pertaining to quantitative genetic models that have been applied to estimate genetic parameters for heat tolerance and relationship between measures of heat tolerance and production and reproductive performance traits in dairy cattle. Moreover, the review identified the genes that have been shown to influence heat tolerance in dairy cattle and evaluated the possibility of using them in genomic selection programmes. Combining genomics information with environmental, physiological, and production parameters information is a crucial strategy to understand the mechanisms of heat tolerance while breeding heat tolerant dairy cattle adapted to future climatic conditions. Thus, selection for thermotolerant dairy cattle is feasible.en
dcterms.accessRightsOpen Access
dcterms.audienceScientistsen
dcterms.available2023-02-27
dcterms.bibliographicCitationHabimana, V., Ekine-Dzivenu, C.C., Nguluma, A.S., Nziku, Z.C., Morota, G., Chenyambuga, S.W. and Mrode, R. 2023. Genes and models for estimating genetic parameters for heat tolerance in dairy cattle. Frontiers in Genetics 14:1127175.en
dcterms.issued2023-02-27
dcterms.languageen
dcterms.licenseCC-BY-4.0
dcterms.publisherFrontiers Mediaen
dcterms.subjectgeneticsen
dcterms.subjectheat stressen
dcterms.subjectmilk productionen
dcterms.subjectdairyingen
dcterms.subjectdairy cattleen
dcterms.typeJournal Article

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