Table 1 A summary of genomic studies that highlighted the HOXB13 gene associated with the tail phenotype in the ovine genome.

From: Ovine HOXB13: expanding the gene repertoire of sheep tail patterning and implications in genetic improvement

Reference

Breed(s) and tail phenotype(s)*

Origin

Genotyping approach

Ovine reference genome

Ahbara et al. 2019 (ref.19)

Fat-rumped (Kefis, Adane, and Arabo). Short fat-tailed (Molale-Menz). Long fat-tailed (Bonga, Gesses, Kido, Doyogena, Shubi-Gemo, and Loya)

Ethiopia

Ovine 50 K SNP BeadChip (Illumina)

Oar_v3.1

Long thin-tailed (Hammari and Kabashi)

Sudan

Manzari et al. 2019 (ref.20)

Fat-tailed (Baluchi and Lori-Bakhtiari). Thin-tailed (Zel)

Iran

Ovine 50 K SNP BeadChip (Illumina)

Oar_v3.1

Li et al. 2022 (ref.21)

Long thin-tailed (Suffolk, Dorset, Texel, Charollais, Merino, and Romney). Rat-tailed (East Friesian)

Europe

Long-read PacBio HiFi sequencing

ARS-UI_Ramb_v2.0

Long thin-tailed (White Dorper)

Africa

Fat-tailed (Kermani)

Middle east (Iran)

Short fat-tailed (Ujumqin). Fat-rumped (Kazakh)

East Asia (Northern China)

Short thin-tailed (Tibetan)

East Asia (Qinghai-Tibetan Plateau)

Short thin-tailed (Yunnan)

East Asia (Yunnan-Kweichow Plateau)

Ahbara et al. 2022 (ref.22)

Fat-rumped (Kefis, Segentu, Adane, and Arabo). Short fat-tailed (Gafera-Washera and Molale-Menz). Long fat-tailed (Bonga, Gesses, Kido, Doyogena, Shubi-Gemo, and Loya)

Ethiopia

Paired-end sequencing (Illumina)

Oar_v3.1

Long thin-tailed (Hammari and Kabashi)

Sudan

Long fat-tailed (shorter caudal vertebrae length; Barberine)

Libya

Lagler et al. 2022 (ref.23)

Long thin-tailed (Merinolandschaf)

German

Ovine 50 K SNP BeadChip (Illumina)

Oar_v4.0

  1. *In some of the indicated studies, further validations of potential variants were performed using expanded number of individuals from different populations.