PREDICTION OF BREEDING VALUE OF RAMS FOR GROWTH OF LIVE WEIGHT BY PROGENY TEST, EVALUATED BY THREE METHODS
P.G. Vicovan, A. Vicovan, R. Radu, A. Enciu, A. Ida
The researches were made on a sheep population of 8 rams of Suffolk breed, 51 ewes of Palas Merino breed and 54 male descendants to which the growths of live weight during the period from birth to 5 months were determined. The heritability of the growth and the breeding value of the rams were estimated by REML method . The breeding value of the rams was also estimated by other two methods, , , , . The value of h2= 0,55 for the growth of live weight at lambs makes the estimation of the breeding value of rams also efficient by the 2 presented methodologies, which are less modern comparatively to BLUP. In this case the selection by the own performance becomes also efficient.
Key words: Breeding value, heritability, variance