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M.N. Ribeiro

Publications of : M.N. Ribeiro
Animal Genetics   Research Article

Polymorphism of mitochondrial DNA in the Brazilian Canind�?© goat breed

The success of the geographical distribution of goat populations around the world is a consequence of the adaptive potential of these breeds. Several relevant traits to the success of the species in colonizing different ecosystems (and use by man) evolved before domestication. These features were relevant for the selection of different breeds. Each breed represents .. Read More»

Genet. Mol. Res. 16(2): gmr16029656

DOI: 10.4238/gmr16029656

Animal Genetics   Research Article

Genetic relationship between the Nordestino horse and national and international horse breeds

    D.A.F. Pires, E.G.A. Coelho, J.B. Melo, D.A.A. Oliveira, M.N. Ribeiro, E. Gus Cothran and R. Juras

Knowledge of genetic diversity and relationships between breeds is very important for conservation programs. Hair samples were collected from 393 individual Nordestino horses and genotyped using 14 microsatellite markers in order to investigate the genetic relationship between this breed and 66 international horse breeds. There was high allelic diversity and inbreed.. Read More»

Genet. Mol. Res. 15(2): gmr.15027881

DOI: 10.4238/gmr.15027881

Animal Genetics   Research Article

Genetic and environmental effects on age at first farrowing in sows in southeastern Brazil

    A. Cavalcante-Neto, J.F. Lui, J.L.R. Sarmento, M.N. Ribeiro, C. Fonseca, H. Tonhati, J.M.C. Monteiro, M.A.C. Lara and S.A. Queiroz

We evaluated genetic and environmental factors affecting age at first farrowing of sows in the Brazilian southeast. For this purpose, 466 observations regarding the age at first farrowing were made for Dalland-C40© animals belonging to two herds. The effects of the environmental factors on this trait were assessed by means of a model that included, as random ef.. Read More»

Genet. Mol. Res. 10(4): 2011.October.31.9

DOI: 10.4238/2011.October.31.9