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21 results on '"Randhawa, Imtiaz A. S."'

2. Genomic insights into the population history and adaptive traits of Latin American Criollo cattle

Author

Ward, James A., primary, Ng'ang'a, Said I., additional, Randhawa, Imtiaz A. S., additional, McHugo, Gillian P., additional, O'Grady, John F., additional, Flórez, Julio M., additional, Browne, John A., additional, Pérez O’Brien, Ana M., additional, Landaeta-Hernández, Antonio J., additional, Garcia, Jóse F., additional, Sonstegard, Tad S., additional, Frantz, Laurent A. F., additional, Salter-Townshend, Michael, additional, and MacHugh, David E., additional

Published
2024
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5. Genomic Insights into the Population History and Adaptive Traits of Latin American Criollo Cattle

Author

Ward, James A., primary, Ng’ang’a, Said I., additional, Randhawa, Imtiaz A. S., additional, McHugo, Gillian P., additional, O’Grady, John F., additional, Flórez, Julio M., additional, Browne, John A., additional, Pérez O’Brien, Ana M., additional, Landaeta-Hernández, Antonio J., additional, Garcia, José F., additional, Sonstegard, Tad S., additional, Frantz, Laurent A. F., additional, Salter-Townshend, Michael, additional, and MacHugh, David E., additional

Published
2023
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6. Additional file 1 of Selection signatures for local and regional adaptation in Chinese Mongolian horse breeds reveal candidate genes for hoof health

Author

Han, Haige, Randhawa, Imtiaz A. S., MacHugh, David E., McGivney, Beatrice A., Katz, Lisa M., Dugarjaviin, Manglai, and Hill, Emmeline W.

Abstract

Additional file 1: Figure S1. A chromosome-wide plot of composite selection signals (CSS) scores for Abaga Black vs. other Chinese Mongolian populations (top 0.1% SNPs threshold). Figure S2. A chromosome-wide plot of composite selection signals (CSS) scores for Abaga Black vs. other Chinese Mongolian populations (top 1% SNPs threshold). Figure S3. A chromosome-wide plot of composite selection signals (CSS) scores for Asian vs. American/Middle Eastern populations. Figure S4. Composite selection signals (CSS) scores for individual SNPs at the ECA3 selection peak (Asian vs. European populations) showing peak close to the ZFPM1 gene. Figure S5. Genotype frequencies of top SNP on ECA3 (chr3.35533253, rs68458737) in a range of horse breeds. The highest frequency of the GG genotype was among British Isles horse breeds.

Published
2023
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14. Genomic diversity and breed composition of Vietnamese smallholder dairy cows.

Author

Bang, Nguyen N., Hayes, Ben J., Lyons, Russell E., Randhawa, Imtiaz A. S., Gaughan, John B., and McNeill, David M.

Subjects
CATTLE genetics, DAIRY cattle, CATTLE breeds, GENETIC variation, GENETIC testing, TROPICAL conditions
Abstract

Vietnamese smallholder dairy cows (VDC) are the result of crossbreeding between different zebu (ZEB) and taurine dairy breeds through many undefined generations. Thus, the predominant breed composition of VDC is currently unknown. This study aimed to evaluate the level of genetic diversity and breed composition of VDC. The SNP data of 344 animals from 32 farms located across four dairy regions of Vietnam were collected and merged with genomic reference data, which included three ZEB breeds: Red Sindhi, Sahiwal and Brahman, three taurine breeds: Holstein (HOL), Jersey (JER) and Brown Swiss (BSW), and a composite breed: Chinese Yellow cattle. Diversity and admixture analyses were applied to the merged data set. The VDC were not excessively inbred, as indicated by very low inbreeding coefficients (Wright's FIS ranged from −0.017 to 0.003). The genetic fractions in the test herds suggested that the VDC are primarily composed of HOL (85.0%); however, JER (6.0%), BSW 5.3%) and ZEB (4.5%) had also contributed. Furthermore, major genotype groupings in the test herds were pure HOL (48%), B3:15/16HOL_1/16ZEB (22%) and B2:7/8HOL_1/8ZEB (12%). The genetic makeup of the VDC is mainly components of various dairy breeds but also has a small percentage of ZEB; thus, the VDC could be a good genetic base for selecting high milk‐producing cows with some degree of adaptation to tropical conditions. [ABSTRACT FROM AUTHOR]

Published
2022
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17. A Population Genomics Analysis of the Native Irish Galway Sheep Breed

Author

McHugo, Gillian P., primary, Browett, Sam, additional, Randhawa, Imtiaz A. S., additional, Howard, Dawn J., additional, Mullen, Michael P., additional, Richardson, Ian W., additional, Park, Stephen D. E., additional, Magee, David A., additional, Scraggs, Erik, additional, Dover, Michael J., additional, Correia, Carolina N., additional, Hanrahan, James P., additional, and MacHugh, David E., additional

Published
2019
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18. Genomic Characterisation of the Indigenous Irish Kerry Cattle Breed

Author

Browett, Sam, primary, McHugo, Gillian, additional, Richardson, Ian W., additional, Magee, David A., additional, Park, Stephen D. E., additional, Fahey, Alan G., additional, Kearney, John F., additional, Correia, Carolina N., additional, Randhawa, Imtiaz A. S., additional, and MacHugh, David E., additional

Published
2018
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