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Mapping and characterization of the dominant black colour locus in sheep.
Dominant black pigment synthesis in sheep is caused by alterations of the melanocortin-1 receptor (MC1-R) coding sequence. Using five bovine microsatellite markers we have mapped the sheep MC1-R gene… Expand
Genetic Footprints of Iberian Cattle in America 500 Years after the Arrival of Columbus
Background American Creole cattle presumably descend from animals imported from the Iberian Peninsula during the period of colonization and settlement, through different migration routes, and may… Expand
Genetic structure analysis of a highly inbred captive population of the African antelope Addax nasomaculatus. Conservation and management implications.
- E. Armstrong, C. Leizagoyen, A. Martínez, S. González, J. V. Delgado, A. Postiglioni
- Biology, Medicine
- Zoo biology
- 1 July 2011
The African antelope Addax nasomaculatus is a rare mammal at high risk of extinction, with no more than 300 individuals in the wild and 1,700 captive animals distributed in zoos around the world. In… Expand
Novel genetic polymorphisms associated with carcass traits in grazing Texel sheep.
- E. Armstrong, G. Ciappesoni, +7 authors A. Postiglioni
- Chemistry, Medicine
- Meat science
- 1 November 2018
Improving meat production traits has increased its importance in sheep breeding. We report novel associations of SNP present in genes related to lipid metabolism and growth with several carcass… Expand
Genetic characterization of Latin-American Creole cattle using microsatellite markers.
Genetic diversity in and relationships among 26 Creole cattle breeds from 10 American countries were assessed using 19 microsatellites. Heterozygosities, F-statistics estimates, genetic distances,… Expand
Genetic characterisation of the Uruguayan Creole horse and analysis of relationships among horse breeds.
- L. Kelly, A. Postiglioni, +4 authors J. Franco
- Biology, Medicine
- Research in veterinary science
- 1 February 2002
The genetic variability within the Uruguayan Creole horse and its relationship to a group of geographically or historically related breeds (Spanish Pure-bred, Barb, Quarter horse, Paso Fino, Peruvian… Expand
Microsatellite analysis of a sample of Uruguayan Creole bulls (Bos taurus)
The Uruguayan Creole cattle genetic reserve consists of a herd of about 600 animals (bulls, cows and calves) located in an indigenous habitat of 650 hectares. In a previous study, a random sample… Expand
Localisation of aphidicolin-induced break points in Holstein-Friesian cattle (Bos taurus) using RBG-banding
- V. Rodríguez, S. Llambí, +5 authors M. Arruga
- Medicine, Biology
- Genetics Selection Evolution
- 15 November 2002
Fragile sites (FS) seem to play a role in genome instability and may be involved in karyotype evolution and chromosome aberrations. The majority of common fragile sites are induced by aphidicolin.… Expand
Analysis of the population structure of Uruguayan Creole cattle as inferred from milk major gene polymorphisms
The ancestors of Uruguayan Creole cattle were introduced by the Spanish conquerors in the XVII century, following which the population grew extensively and became semi-feral before the introduction… Expand
Karyological studies on Uruguayan spiders I. banding pattern in chromosomes of Lycosa species (araneae-lycosidae)
C-, Gand Q-banding patterns of mitotic and meiotic chromosomes of Lycosa malitiosa Tullgren, Lycosa thorelli Keyserling and Lycosa sp. were studied. Small C-bands are localized in the centromeric… Expand