RESEARCHES CONCERNING THE AVERAGE RELATEDNESS OF FURIOSO NORTH STAR POPULATION FROM BECLEAN PE SOMES STUD FARM

Tr. Lăpuşte, H. Grosu, R. Popa, Dana Popa, S. Georgescu

Abstract
Average relatedness is a very important parameter in animal genetic resources management because it is related with inbreeding and effective population size. The purpose of the work is average relatedness and its components evaluation in Furioso North Star population from Beclean pe Somes stud farm. Biological material used is represented by the entire livestock of the stud farm Beclean pe Somes (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 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. The results reflect the existence of a population with an average relatedness by 0.2079 ± 0.0096, and researches underline the existence of some errors in mating, not allowed for a population subject to permanent danger of inbreeding.

Key words: animal breeding, average relationship, horse