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ARS Home » Northeast Area » Beltsville, Maryland (BARC) » Beltsville Agricultural Research Center » Animal Genomics and Improvement Laboratory » People & Locations » Sajjad Toghiani
Sajjad Toghiani
Animal Genomics and Improvement Laboratory
Research Geneticist (Animals)

Phone: (301) 504-8680
Fax: (301) 504-8092
Room 225

10300 BALTIMORE AVENUE
BLDG 306 BARC-EAST
BELTSVILLE, MD 207052350

(Employee information on this page comes from the REE Directory. Please contact your front office staff to update the REE Directory.)

Projects
Increasing Accuracy of Genomic Prediction, Developing Algorithms, Selecting Markers, and Evaluating New Traits to Improve Dairy Cattle
In-House Appropriated (D)
  Accession Number: 442491

Publications (Clicking on the reprint icon Reprint Icon will take you to the publication reprint.)
Inbreeding depression for producer-recorded udder, metabolic, and reproductive diseases in US dairy cattle - (Peer Reviewed Journal)
Imputation accuracy from low to medium-density SNP chips for US crossbred dairy cattle - (Peer Reviewed Journal)
Implementation of feed efficiency in Iranian Holstein breeding program Reprint Icon - (Peer Reviewed Journal)
Nadri, S., Sadeghi-Sefidmazgi, A., Zamani, P., Ghorbani, G., Toghiani, S. 2023. Implementation of feed efficiency in Iranian Holstein breeding program. Animals. 13(7):1216. https://doi.org/10.3390/ani13071216.
Genetic architecture of a composite beef cattle population Reprint Icon - (Peer Reviewed Journal)
Hay, E.A., Toghiani, S., Roberts, A.J., Paim, T., Kuehn, L.A., Blackburn, H.D. 2022. Genetic architecture of a composite beef cattle population. Journal of Animal Science. 2022. Article 230. https://doi.org/10.1093/jas/skac230.
Genetic analysis of retained placenta and its association with reproductive disorder, production, and fertility traits of Iranian Holstein dairy cows Reprint Icon - (Peer Reviewed Journal)
Mahnani, A., Sadeghi-Sefidmazgi, A., Ansari-Mahyari, S., Ghiasi, H., Toghiani, S. 2022. Genetic analysis of retained placenta and its association with reproductive disorder, production, and fertility traits of Iranian Holstein dairy cows. Theriogenology. 189:59-63. https://doi.org/10.1016/j.theriogenology.2022.04.008.
Phenotypic and genotypic impact of milk components and bodyweight composite on dry matter intake - (Abstract Only)
Toghiani, S., Van Raden, P.M., Parker Gaddis, K.L., Vandehaar, M.J., Tempelman, R.J. 2022. Phenotypic and genotypic impact of milk components and bodyweight composite on dry matter intake [abstract]. Journal of Dairy Science. 105(Suppl. 1):200(abstr. 1499V).
National index correlations and actual vs. expected use of foreign sires - (Proceedings)
Toghiani, S., Van Raden, P.M. 2021. National index correlations and actual vs. expected use of foreign sires. Interbull Bulletin. 56:52–59.
Grid search approach to discriminate between old and recent inbreeding using phenotypic, pedigree and genomic information Reprint Icon - (Peer Reviewed Journal)
Sumreddee, P., Hay, E.A., Toghiani, S., Roberts, A.J., Aggrey, S., Rekaya, R. 2021. Grid search approach to discriminate between old and recent inbreeding using phenotypic, pedigree and genomic information. Biomed Central (BMC) Genomics. 22.Article 538. https://doi.org/10.1186/s12864-021-07872-z.
Net merit as a measure of lifetime profit: 2021 revision - (Government Publication)
Van Raden, P.M., Cole, J.B., Neupane, M., Toghiani, S., Parker Gaddis, K.L., Tempelman, R.J. 2021. Net merit as a measure of lifetime profit: 2021 revision. AIPL Research Reports. NM$8(05-21).
Index correlations and actual vs. expected use of foreign sires - (Abstract Only)
Runs of homozygosity and analysis of inbreeding depression Reprint Icon - (Peer Reviewed Journal)
Sumreddee, P., Toghiani, S., Hay, E.A., Roberts, A.J., Aggrey, S., Rekaya, R. 2020. Runs of homozygosity and analysis of inbreeding depression. Journal of Animal Science. 98(12):1-11. https://doi.org/10.1093/jas/skaa361.
Impact of cold stress on birth and weaning weight in a composite beef cattle breed Reprint Icon - (Peer Reviewed Journal)
Toghiani, S., Hay, E.A., Roberts, A., Rekaya, R. 2020. Impact of cold stress on birth and weaning weight in a composite beef cattle breed. Livestock Science. 236:104053. https://doi.org/10.1016/j.livsci.2020.104053.
Genotype by environment interaction in response to cold stress in a composite beef cattle breed Reprint Icon - (Peer Reviewed Journal)
Toghiani, S., Hay, E.A., Fragomeni, B., Rekaya, R., Roberts, A.J. 2020. Genotype by environment interaction in response to cold stress in a composite beef cattle breed. Animal. 1-12. https://doi.org/10.1017/S1751731120000531.
A weighted genomic relationship matrix based on Fixation Index (Fst) prioritized SNPs for genomic selection Reprint Icon - (Peer Reviewed Journal)
Ling-Yun, C., Toghiani, S., Hay, E.A., Aggrey, S., Rekaya, R. 2019. A weighted genomic relationship matrix based on Fixation Index (Fst) prioritized SNPs for genomic selection. Genes. 10(11):922. https://doi.org/10.3390/genes10110922.
Increasing accuracy of genomic selection in presence of high density marker panels through the prioritization of relevant polymorphisms Reprint Icon - (Peer Reviewed Journal)
Chang, L., Toghiani, S., Aggrey, S.E., Rekaya, R. 2019. Increasing accuracy of genomic selection in presence of high density marker panels through the prioritization of relevant polymorphisms. BMC Genetics. 1-10. https://doi.org/10.1186/s12863-019-0720-5.