Genetic analysis of Oaxacan Mixteco Creole cattle

被引：0

作者：

Martinez, Miguel Angel Dominguez ^{[1
]}

Nunez, Victor Hernandez ^{[2
]}

Mendez, Araceli Mariscal ^{[1
]}

Martinez Martinez, Amparo ^{[3
]}

Fuentes-Mascorro, Gisela ^{[1
]}

机构：

[1] Univ Autonoma Benito Juarez Oaxaca, Fac Med Vet & Zootecnia, Cuerpo Academ Ciencias Vet Aplicadas Des, Ave Univ S-N Exhacienda Senores 5, Oaxaca 68120, Mexico

[2] Univ Tecnol Mixteca, Brigada Promoc Desarrollo, Oaxaca, Mexico

[3] Univ Cordoba, Fac Vet Cordoba, Cordoba, Spain

来源：

REVISTA MEXICANA DE CIENCIAS PECUARIAS | 2023年 / 14卷 / 02期

关键词：

Conservation; Creole cattle; Genetic characterization; Microsatellites; POPULATION-STRUCTURE; ANCESTRAL ADMIXTURE; DIVERSITY; INFERENCE; MTDNA;

D O I：

10.22319/rmcp.v14i2.6315

中图分类号：

S8 [畜牧、动物医学、狩猎、蚕、蜂];

学科分类号：

0905 ;

摘要：

The Mixteco Creole cattle is a little explored genetic resource, which, however, has great value due to its potential to be used in production systems that are respectful of the environment and adaptable to its conditions. The identification and characterization of this local resource is essential for its conservation and improvement. For this reason, in the present study it was carried out the analysis of the diversity and genetic relationships of the Mixteco Creole cattle population of Oaxaca, using 19 microsatellite DNA markers and 32 reference cattle populations belonging to the BIOBOVIS consortium of the CONBIAND Network. The mean number of alleles detected was 8.8 +/- 2.1 and the estimated effective number of alleles was 4.5 +/- 1.2. The genetic diversity represented by the expected (0.7700 +/- 0.0682) and observed (0.7170 +/- 0.0998) heterozygosity values was within the range of estimators obtained in previous studies with local cattle populations using microsatellite markers. An analysis of the population structure revealed a predominant influence of Iberian germplasm (Bos taurus). There is also a close relationship between the Mixteco Creole and the rest of the Mexican Creole cattle populations, with the exception of the Tropical Dairy Creole.

引用

页码：434 / 449

页数：16

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