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. 2020 Nov 24;15(11):e0242500. doi: 10.1371/journal.pone.0242500

Fig 1. Principal component analysis (PCA) of 13,039 single nucleotide polymorphisms (SNPs) in 167 Pakistani Nili-Ravi breeding bulls.

Fig 1

Colors are representative of high (blue), medium (pink) and low (red) milk yield bulls, majorly (93%) based on Semen Production Unit, Qadirabad, District Sahiwal, Pakistan while others are collected from different dairy farms of Punjab in Pakistan. Each point represents an individual animal and position of the points can be identified using Eigen values in S2 Table.