Researches concerning the situation of reproductive isolation and relatedness with immigrants of Furioso North Star population from Beclean pe Somes stud farm
2013
Traian Lapuste | Horia Grosu | Razvan Popa | Dana Popa | Dorel Dronca | Sergiu Emil Georgescu
Reproductive isolation is the main criteria for approval of populations. Creates the potential compliance and fulfillment of other criteria: morphological and physiological differentiation, differentiation of the requirements for the environment and the effective size. Thus, the main taxonomic differences are a consequence of reproductive isolation. Biological material used is represented by the entire livestock of the stud farm Beclean pe Someş (transferred in October of 2011 from the Slatina stud farm), belonging to the Furioso-North Star (and not just evidence of it), existing at the time of analysis (30.11.2011). To determine the reproductive isolation status, have used the coefficient of reproductive isolation presented by Drăgănescu (1979). To determine the average relatedness, have used The Numerator Relationship Matrix method, proposed by Henderson and Cunningham in 1971 and presented for the first time in Romania by Grosu in 1997. Results reflect the existence of a population with its own evolutionary way that has not suffered massive and systematic immigration.
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