Status and conservation of equine biodiversity in India

Pal, Yash; Legha, R. A.; Bhardwaj, Arun; Tripathi, Bhupendra Nath

doi:10.5958/0974-0147.2020.00020.3

Cited by 4 publications

(4 citation statements)

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“…In India, the population of donkeys is rapidly declining [ 23 ]. The genetic diversity study was conducted with a panel of 24 polymorphic microsatellites revealing a high number of alleles and heterozygosity in all the Indian donkey clusters available in different agro-climatic regions [ 24 ].…”

Section: Introductionmentioning

confidence: 99%

Milk somatic cell DNA isolation and characterization of κ-casein gene in Halari donkey milk

Singh,

Bhardwaj,

Nayan

et al. 2024

Heliyon

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Section: Introductionmentioning

confidence: 99%

Milk somatic cell DNA isolation and characterization of κ-casein gene in Halari donkey milk

Singh,

Bhardwaj,

Nayan

et al. 2024

Heliyon

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“…The National Commission on Agriculture has identified seven different breeds of horses in India, based on their geographical localization and phenotypic characteristics: Kathiawari, Marwari, Manipuri, Zanskari, Bhutia, Spiti, and Thoroughbred. These breeds of horses differ not just due to their agroclimatic adaptation but also due to their particular performance characteristics [ 3 , 4 , 5 , 6 ].…”

Section: Introductionmentioning

confidence: 99%

Genome-Wide Single-Nucleotide Polymorphism-Based Genomic Diversity and Runs of Homozygosity for Selection Signatures in Equine Breeds

Bhardwaj

Tandon

Pal

et al. 2023

Genes

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The horse, one of the most domesticated animals, has been used for several purposes, like transportation, hunting, in sport, or for agriculture-related works. Kathiawari, Marwari, Manipuri, Zanskari, Bhutia, Spiti, and Thoroughbred are the main breeds of horses, particularly due to their agroclimatic adaptation and role in any kind of strong physical activity, and these characteristics are majorly governed by genetic factors. The genetic diversity and phylogenetic relationship of these Indian equine breeds using microsatellite markers have been reported, but further studies exploring the SNP diversity and runs of homozygosity revealing the selection signature of breeds are still warranted. In our study, the identification of genes that play a vital role in muscle development is performed through SNP detection via the whole-genome sequencing approach. A total of 96 samples, categorized under seven breeds, and 620,721 SNPs were considered to ascertain the ROH patterns amongst all the seven breeds. Over 5444 ROH islands were mined, and the maximum number of ROHs was found to be present in Zanskari, while Thoroughbred was confined to the lowest number of ROHs. Gene enrichment of these ROH islands produced 6757 functional genes, with AGPAT1, CLEC4, and CFAP20 as important gene families. However, QTL annotation revealed that the maximum QTLs were associated with Wither’s height trait ontology that falls under the growth trait in all seven breeds. An Equine SNP marker database (EqSNPDb) was developed to catalogue ROHs for all these equine breeds for the flexible and easy chromosome-wise retrieval of ROH along with the genotype details of all the SNPs. Such a study can reveal breed divergence in different climatic and ecological conditions.

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“…The population of Halari donkeys has fallen from 1,112 in 2015 to 662 by 2020 (https:// ruralindiaonline.org/en/articles/7000-a-litre-milking-donkeybreeders-dreams/) and is further declining, therefore, these donkeys may be recognized as a threatened breed in near future. It is well known for heat tolerance, disease resistance and low input system in comparison to regular donkeys as reported by Pal et al, (2020). The evolutionary studies on equines suggested prominent information on their origin, evolution and domestication (Renaud et al, 2018) but the data regarding donkeys have not been documented properly since there is a theory circulating that donkeys are believed to be domesticated twice (Schubert et al,2014;Librado et al, 2017;Rossel et al, 2008;Beja Pereira et al,2004).…”

Section: Introductionmentioning

confidence: 99%

“…Few reports are also available on Halari donkey milk (Bhardwaj et al, 2019;. Halari donkey, being the newly introduced breed (Pal et al, 2020), possesses the possibility of understanding the genetic characterization and their diversity with reference to the complete mitochondrial genome of Equus asinus.…”

Section: Introductionmentioning

confidence: 99%

Mitochondrial DNA Variation and Genetic Relationships in Indian Halari Donkey Breed using D-Loop Region

Bhardwaj

Nayan

et al. 2022

IJAR

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Background: Halari donkey is a distinct breed of India that comes from the community of migrants from the regions of Halar, Bharwad and Rabaris of Gujarat. They have a brief history of travel and migration from arid and semi-arid regions of India. The population of Halari donkeys has fallen drastically in past and is further declining; therefore, these donkeys may be recognized as a threatened breed in near future. Methods: The genetic diversity of this breed was determined using the D-loop gene of 542 bp size belonging to mitochondrial DNA and compared with the complete mitochondrial genome of Equus asinus (NC_001788.1). In the present study, a total of 8 haplotypes were identified with haplotype diversity of 0.8152 and nucleotide diversity of 0.1281 indicating that the population has high genetic diversity. The Median-joining network tree and neighbour-joining trees revealed close clustering of the Halari donkeys. Result: The high nucleotide and haplotype diversity suggest Halari donkeys as a unique population and proper management and conservation is the need of the hour.

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Status and conservation of equine biodiversity in India

Cited by 4 publications

References 0 publications

Milk somatic cell DNA isolation and characterization of κ-casein gene in Halari donkey milk

Milk somatic cell DNA isolation and characterization of κ-casein gene in Halari donkey milk

Genome-Wide Single-Nucleotide Polymorphism-Based Genomic Diversity and Runs of Homozygosity for Selection Signatures in Equine Breeds

Mitochondrial DNA Variation and Genetic Relationships in Indian Halari Donkey Breed using D-Loop Region

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