Microsatellite based diversity analysis of native pigs of North-Eastern India

Sahoo, Nihar Ranjan; Naskar, S.; Banik, S.; Pankaj, P. K.

doi:10.18805/ijar.7086

Cited by 5 publications

(3 citation statements)

References 19 publications

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“…Microsatellite markers: Twelve primers were selected based on the research experiments (Wang et al 2004;Session, 2011;Gélvez et al 2015;Montenegro et al 2015;Sahoo et al 2015a;Yu et al 2015;Behl et al 2017). Information on the twelve microsatellite primers is provided in Table 1.…”

Section: Methodsmentioning

confidence: 99%

Microsatellite DNA Markers and Their Correlation with Body Traits in Landrace, Duroc and Henan Western Black Pigs

Yang

Bian

Pang

et al. 2019

IJAR

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Twelve microsatellite loci were selected from the Food and Agriculture Organization of the United Nations to examine the genetic structure and relationship between microsatellite DNA and body traits including height, back height, body length, chest width, chest depth, head Length, Ear area, and forehead width. Twelve microsatellite loci analyzed were polymorphic in Landrace, Duroc and Henan Western Black Pigs. The total number of alleles found for the twelve microsatellite loci amounted to 150.The average expected heterozygositie ranged from 0.1287 to 0.8301 among twelve loci, and the average polymorphic information content ranged from 0.1168 to 0.7894. The results of cluster analysis showed that the genetic distance between Henan Western Black Pigs and Duroc was least 0.1414. Microsatellite loci of SW72 were significantly associated with back height and chest depth (plessthan0.05), while SO002 were significantly associated with chest depth and head Length (plessthan0.05). Finally, the results showed that Henan Western Black Pigs has a high level of genetic polymorphism and genetic differentiation. Cluster analysis shows that the relationship between Black Pigs and Duroc is closer. These were significantly associated with body traits in five microsatellite loci, including SW72, SO002, SW632, SO090 and SW1828 (plessthan0.05). These results provided scientific reference for the further cultivation and utilization of black pigs.

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Section: Methodsmentioning

confidence: 99%

Microsatellite DNA Markers and Their Correlation with Body Traits in Landrace, Duroc and Henan Western Black Pigs

Yang

Bian

Pang

et al. 2019

IJAR

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“…The mean F values were 0.15±0.05 (Niang Megha) and 0.05±0.06 (Tenyi Vo). No genetic bottlenecks were observed in these two population (Sahoo et al 2016a). Sahoo et al (2015) evaluated Ghoongroo pigs using 22 FAO-ISAG microsatellite markers.…”

Section: Genetic Characterization Of Indigenous Pigsmentioning

confidence: 99%

Indigenous pig genetic resources of India: Distribution, types and their characteristics

Behl¹,

VIJ²,

NIRANJAN³

et al. 2020

Indian J of Anim Sci

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In India, the indigenous pigs are traditionally reared either by the poor, weaker and the tribal sections of the society. Although, the growth rates and feed conversion ratio of indigenous pigs are less than those of exotic or crossbred pigs, they have unique features like heat tolerance, disease resistance, early sexual maturity and ability to produce meat with less fat. In India, the total population of indigenous pigs is 78.35 lakhs constituting 76.14% of the total pig population of the country. Uttar Pradesh has the largest population of indigenous pigs (11.52 lakhs), followed by Assam (10.22 lakhs), Jharkhand (9.21 lakhs) and Bihar (6.26 lakhs). In studies conducted at various centres of All India Coordinated Research Project on pigs, the weight of these pigs at birth, weaning (8 weeks) and 32 weeks of age ranged from 0.44±0.01 to 0.83±0.01, 7.00±0.36 to 8.12±0.18 and 31.32±0.45 to 42.91±1.04 kg, respectively. Although, the indigenous pigs were largely clubbed as local or non-descript but in the last few years many population have been characterized. Some of them have been registered by ICAR-NBAGR as new breeds of indigenous pigs, like Ghoongroo, Niang Megha, Agondagoan, Tenyi Vo, Nicobari, Doom, Zovawk and Gurrah pigs. This review discusses the population trend, attributes and available breeds of indigenous pigs of India.

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“…Microsatellite DNA loci (STR markers), which are tandem repeats of the noncoding part of nuclear DNA, are very convenient markers for studying genetic processes in populations. There are many works on the assessment of population gene pools of both domestic pigs and wild boars in different regions (Vernesi et al, 2003;Ferreira et al, 2009;Nikolov et al, 2009;da Silva et al, 2011;Choi et al, 2014;Sahoo et al, 2016;Ryabtseva et al, 2018;Han et al, 2021;Snegin et al, 2021).…”

Section: Introductionmentioning

confidence: 99%

Genetic diversity of the Central European wild boar (Sus scrofa scrofa) population and domestic pig (Sus scrofa domesticus) breeds based on a microsatellite DNA locus

et al. 2022

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The results of studies of the genetic structure of the Central European wild boar (Sus scrofa scrofa) population and four breeds of domestic pigs (Duroc, Yorkshire, Large White and Landrace) bred in the Central Black Earth region of Russia are presented in this work. Based on 12 microsatellite loci, a significant ( p <0.05) decrease in the level of genetic variability in bred breeds was shown. The expected heterozygosity and Shannon index were as follows: in the wild boar, Ho = 0.763 ± 0.026, I = 1.717 ± 0.091; in the Duroc breed, Ho = 0.569 ± 0.068, I = 1.191 ± 0.157; in the Landrace, Ho = 0.618 ± 0.062, I = 1.201 ± 0.147; in the Large White, Ho = 0.680 ± 0.029, I = 1.362 ± 0.074; and in the Yorkshire, Ho = 0.642 ± 0.065, I = 1.287 ± 0.156. The results of checking genotypic Hardy–Weinberg equilibrium based on the G-test of maximum likelihood demonstrated that the overwhelming majority of loci in the wild boar population were in the state of said equilibrium. By contrast, in pig breed populations, some loci demonstrated a significant deviation from the indicated equilibrium. In addition, the Yorkshire, Large White, and Landrace populations had loci, for which the hypothesis of neutrality was reliably rejected based on the results of the Ewens–Watterson test. The revealed private alleles, characteristic of the wild boar and breeds, can later be used to identify them. The ordination of the centroids of different herds in the space of the first two principal coordinates based on the matrix of pairwise estimates of Nei’s genetic distances showed that the most distant populations are the Duroc and Boar breeds, and the most genetically close are the Yorkshire and Landrace breeds. The closest to the wild boar population was the Large White breed. The assessment of the effective size, carried out using the method based on the linkage disequilibrium and the molecular coancestry method, showed that in all studied groups, including the wild boar population, the effective size was less than 100 individuals. The low effective size of the wild boar population (Ne = 21.8, Neb = 4.0) is probably caused by the death and shooting of animals due to Pestis africana suum.

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Microsatellite based diversity analysis of native pigs of North-Eastern India

Cited by 5 publications

References 19 publications

Microsatellite DNA Markers and Their Correlation with Body Traits in Landrace, Duroc and Henan Western Black Pigs

Microsatellite DNA Markers and Their Correlation with Body Traits in Landrace, Duroc and Henan Western Black Pigs

Indigenous pig genetic resources of India: Distribution, types and their characteristics

Genetic diversity of the Central European wild boar (Sus scrofa scrofa) population and domestic pig (Sus scrofa domesticus) breeds based on a microsatellite DNA locus

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