Academic Journal
Impact of Implementing Female Genomic Selection and the Use of Sex-Selected Semen Technology on Genetic Gain in a Dairy Herd in New Zealand
| Τίτλος: | Impact of Implementing Female Genomic Selection and the Use of Sex-Selected Semen Technology on Genetic Gain in a Dairy Herd in New Zealand |
|---|---|
| Συγγραφείς: | Mckimmie, Craig, Forutan, Mehrnush, Tajet, Håvard Melbo, Ehsani, Alireza, Hickford, Jonathan, Amirpour, Hamed |
| Πηγή: | Mckimmie, C, Forutan, M, Tajet, H M, Ehsani, A, Hickford, J & Amirpour, H 2025, 'Impact of Implementing Female Genomic Selection and the Use of Sex-Selected Semen Technology on Genetic Gain in a Dairy Herd in New Zealand', International Journal of Molecular Sciences, vol. 26, no. 3, 990. https://doi.org/10.3390/ijms26030990 |
| Έτος έκδοσης: | 2025 |
| Θεματικοί όροι: | animal breeding, dairy cattle, genetic gain, genomic testing, New Zealand, sexed semen, Semen, Breeding/methods, Selection, Genetic, Dairying/methods, Male, Genotype, Fertility/genetics, Genomics/methods, Lactation/genetics, Cattle/genetics, Milk/metabolism, Animals, Sex Preselection/methods, Female |
| Περιγραφή: | Genomic selection (GS) has changed cattle breeding, but its use so far has been in selecting superior bulls for breeding. However, its farm-level impact, particularly on female selection, remains less explored. This study aimed to investigate the impact of implementing GS to identify superior cows and using artificial mating of those cows with sex-selected semen in a New Zealand Holstein-Friesian (HF) dairy herd (n = 1800 cows). Heifers (n = 2061) born over four consecutive years between 2021 and 2024 were genotyped and their genomic breeding values (GBVs) were estimated. These heifers were ranked based on the Balanced Performance Index (BPI; DataGene, Dairy Australia) Lower-performing cows producing less than 15 L/day (or 20 L/day for older cows) and those with severe mastitis were culled. Cows were mated with HF genetics based on production and udder breeding values, while lower-performing cows were mated to beef genetics. Milking adult cows were mated to bulls with similar BPI value. Annual genetic change was measured using Australian breeding values (ABVg) for milk fat production (FAT), protein production (PROT), fertility (FER), Mastitis Resistance (MAS), and BPI. The genetic merits of the heifers improved annually, with BPI increasing from 136 to 184 between 2021 and 2023, corresponding to a financial gain of NZD 17.53 per animal per year. The predicted BPI gain from 2023 to 2026 is expected to rise from 184 to 384, resulting in a financial gain of NZD 72.96 per animal per year. Using sex-selected semen on the top 50% of BPI-rated heifers in 2024 further accelerated genetic gain. Predicted BPI values for progeny born in 2025 and 2026 are 320 and 384, respectively. These findings revealed that the female GS, combined with sex-selected semen from genomically selected bulls, significantly accelerates genetic gain by improving the intensity and accuracy of selection. The approach achieves genetic progress equivalent to what traditionally would have required eight years of breeding without female GS, and has ... |
| Τύπος εγγράφου: | article in journal/newspaper |
| Περιγραφή αρχείου: | application/pdf |
| Γλώσσα: | English |
| ISSN: | 1661-6596 1422-0067 |
| Relation: | info:eu-repo/semantics/altIdentifier/pmid/39940759; info:eu-repo/semantics/altIdentifier/pissn/1661-6596; info:eu-repo/semantics/altIdentifier/eissn/1422-0067 |
| DOI: | 10.3390/ijms26030990 |
| Διαθεσιμότητα: | https://pure.sruc.ac.uk/en/publications/d681b79c-9ee0-4ba4-8d57-147fe81431b1 https://doi.org/10.3390/ijms26030990 https://pure.sruc.ac.uk/ws/files/103049247/ijms-26-00990.pdf https://www.scopus.com/pages/publications/85218497347 |
| Rights: | info:eu-repo/semantics/openAccess ; http://creativecommons.org/licenses/by/4.0/ |
| Αριθμός Καταχώρησης: | edsbas.45BDAD2 |
| Βάση Δεδομένων: | BASE |
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| Items | – Name: Title Label: Title Group: Ti Data: Impact of Implementing Female Genomic Selection and the Use of Sex-Selected Semen Technology on Genetic Gain in a Dairy Herd in New Zealand – Name: Author Label: Authors Group: Au Data: <searchLink fieldCode="AR" term="%22Mckimmie%2C+Craig%22">Mckimmie, Craig</searchLink><br /><searchLink fieldCode="AR" term="%22Forutan%2C+Mehrnush%22">Forutan, Mehrnush</searchLink><br /><searchLink fieldCode="AR" term="%22Tajet%2C+Håvard+Melbo%22">Tajet, Håvard Melbo</searchLink><br /><searchLink fieldCode="AR" term="%22Ehsani%2C+Alireza%22">Ehsani, Alireza</searchLink><br /><searchLink fieldCode="AR" term="%22Hickford%2C+Jonathan%22">Hickford, Jonathan</searchLink><br /><searchLink fieldCode="AR" term="%22Amirpour%2C+Hamed%22">Amirpour, Hamed</searchLink> – Name: TitleSource Label: Source Group: Src Data: Mckimmie, C, Forutan, M, Tajet, H M, Ehsani, A, Hickford, J & Amirpour, H 2025, 'Impact of Implementing Female Genomic Selection and the Use of Sex-Selected Semen Technology on Genetic Gain in a Dairy Herd in New Zealand', International Journal of Molecular Sciences, vol. 26, no. 3, 990. https://doi.org/10.3390/ijms26030990 – Name: DatePubCY Label: Publication Year Group: Date Data: 2025 – Name: Subject Label: Subject Terms Group: Su Data: <searchLink fieldCode="DE" term="%22animal+breeding%22">animal breeding</searchLink><br /><searchLink fieldCode="DE" term="%22dairy+cattle%22">dairy cattle</searchLink><br /><searchLink fieldCode="DE" term="%22genetic+gain%22">genetic gain</searchLink><br /><searchLink fieldCode="DE" term="%22genomic+testing%22">genomic testing</searchLink><br /><searchLink fieldCode="DE" term="%22New+Zealand%22">New Zealand</searchLink><br /><searchLink fieldCode="DE" term="%22sexed+semen%22">sexed semen</searchLink><br /><searchLink fieldCode="DE" term="%22Semen%22">Semen</searchLink><br /><searchLink fieldCode="DE" term="%22Breeding%2Fmethods%22">Breeding/methods</searchLink><br /><searchLink fieldCode="DE" term="%22Selection%22">Selection</searchLink><br /><searchLink fieldCode="DE" term="%22Genetic%22">Genetic</searchLink><br /><searchLink fieldCode="DE" term="%22Dairying%2Fmethods%22">Dairying/methods</searchLink><br /><searchLink fieldCode="DE" term="%22Male%22">Male</searchLink><br /><searchLink fieldCode="DE" term="%22Genotype%22">Genotype</searchLink><br /><searchLink fieldCode="DE" term="%22Fertility%2Fgenetics%22">Fertility/genetics</searchLink><br /><searchLink fieldCode="DE" term="%22Genomics%2Fmethods%22">Genomics/methods</searchLink><br /><searchLink fieldCode="DE" term="%22Lactation%2Fgenetics%22">Lactation/genetics</searchLink><br /><searchLink fieldCode="DE" term="%22Cattle%2Fgenetics%22">Cattle/genetics</searchLink><br /><searchLink fieldCode="DE" term="%22Milk%2Fmetabolism%22">Milk/metabolism</searchLink><br /><searchLink fieldCode="DE" term="%22Animals%22">Animals</searchLink><br /><searchLink fieldCode="DE" term="%22Sex+Preselection%2Fmethods%22">Sex Preselection/methods</searchLink><br /><searchLink fieldCode="DE" term="%22Female%22">Female</searchLink> – Name: Abstract Label: Description Group: Ab Data: Genomic selection (GS) has changed cattle breeding, but its use so far has been in selecting superior bulls for breeding. However, its farm-level impact, particularly on female selection, remains less explored. This study aimed to investigate the impact of implementing GS to identify superior cows and using artificial mating of those cows with sex-selected semen in a New Zealand Holstein-Friesian (HF) dairy herd (n = 1800 cows). Heifers (n = 2061) born over four consecutive years between 2021 and 2024 were genotyped and their genomic breeding values (GBVs) were estimated. These heifers were ranked based on the Balanced Performance Index (BPI; DataGene, Dairy Australia) Lower-performing cows producing less than 15 L/day (or 20 L/day for older cows) and those with severe mastitis were culled. Cows were mated with HF genetics based on production and udder breeding values, while lower-performing cows were mated to beef genetics. Milking adult cows were mated to bulls with similar BPI value. Annual genetic change was measured using Australian breeding values (ABVg) for milk fat production (FAT), protein production (PROT), fertility (FER), Mastitis Resistance (MAS), and BPI. The genetic merits of the heifers improved annually, with BPI increasing from 136 to 184 between 2021 and 2023, corresponding to a financial gain of NZD 17.53 per animal per year. The predicted BPI gain from 2023 to 2026 is expected to rise from 184 to 384, resulting in a financial gain of NZD 72.96 per animal per year. Using sex-selected semen on the top 50% of BPI-rated heifers in 2024 further accelerated genetic gain. Predicted BPI values for progeny born in 2025 and 2026 are 320 and 384, respectively. These findings revealed that the female GS, combined with sex-selected semen from genomically selected bulls, significantly accelerates genetic gain by improving the intensity and accuracy of selection. The approach achieves genetic progress equivalent to what traditionally would have required eight years of breeding without female GS, and has ... – Name: TypeDocument Label: Document Type Group: TypDoc Data: article in journal/newspaper – Name: Format Label: File Description Group: SrcInfo Data: application/pdf – Name: Language Label: Language Group: Lang Data: English – Name: ISSN Label: ISSN Group: ISSN Data: 1661-6596<br />1422-0067 – Name: NoteTitleSource Label: Relation Group: SrcInfo Data: info:eu-repo/semantics/altIdentifier/pmid/39940759; info:eu-repo/semantics/altIdentifier/pissn/1661-6596; info:eu-repo/semantics/altIdentifier/eissn/1422-0067 – Name: DOI Label: DOI Group: ID Data: 10.3390/ijms26030990 – Name: URL Label: Availability Group: URL Data: https://pure.sruc.ac.uk/en/publications/d681b79c-9ee0-4ba4-8d57-147fe81431b1<br />https://doi.org/10.3390/ijms26030990<br />https://pure.sruc.ac.uk/ws/files/103049247/ijms-26-00990.pdf<br />https://www.scopus.com/pages/publications/85218497347 – Name: Copyright Label: Rights Group: Cpyrght Data: info:eu-repo/semantics/openAccess ; http://creativecommons.org/licenses/by/4.0/ – Name: AN Label: Accession Number Group: ID Data: edsbas.45BDAD2 |
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| RecordInfo | BibRecord: BibEntity: Identifiers: – Type: doi Value: 10.3390/ijms26030990 Languages: – Text: English Subjects: – SubjectFull: animal breeding Type: general – SubjectFull: dairy cattle Type: general – SubjectFull: genetic gain Type: general – SubjectFull: genomic testing Type: general – SubjectFull: New Zealand Type: general – SubjectFull: sexed semen Type: general – SubjectFull: Semen Type: general – SubjectFull: Breeding/methods Type: general – SubjectFull: Selection Type: general – SubjectFull: Genetic Type: general – SubjectFull: Dairying/methods Type: general – SubjectFull: Male Type: general – SubjectFull: Genotype Type: general – SubjectFull: Fertility/genetics Type: general – SubjectFull: Genomics/methods Type: general – SubjectFull: Lactation/genetics Type: general – SubjectFull: Cattle/genetics Type: general – SubjectFull: Milk/metabolism Type: general – SubjectFull: Animals Type: general – SubjectFull: Sex Preselection/methods Type: general – SubjectFull: Female Type: general Titles: – TitleFull: Impact of Implementing Female Genomic Selection and the Use of Sex-Selected Semen Technology on Genetic Gain in a Dairy Herd in New Zealand Type: main BibRelationships: HasContributorRelationships: – PersonEntity: Name: NameFull: Mckimmie, Craig – PersonEntity: Name: NameFull: Forutan, Mehrnush – PersonEntity: Name: NameFull: Tajet, Håvard Melbo – PersonEntity: Name: NameFull: Ehsani, Alireza – PersonEntity: Name: NameFull: Hickford, Jonathan – PersonEntity: Name: NameFull: Amirpour, Hamed IsPartOfRelationships: – BibEntity: Dates: – D: 01 M: 01 Type: published Y: 2025 Identifiers: – Type: issn-print Value: 16616596 – Type: issn-print Value: 14220067 – Type: issn-locals Value: edsbas – Type: issn-locals Value: edsbas.oa Titles: – TitleFull: Mckimmie, C, Forutan, M, Tajet, H M, Ehsani, A, Hickford, J & Amirpour, H 2025, 'Impact of Implementing Female Genomic Selection and the Use of Sex-Selected Semen Technology on Genetic Gain in a Dairy Herd in New Zealand', International Journal of Molecular Sciences, vol. 26, no. 3, 990. https://doi.org/10.3390/ijms26030990 Type: main |
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