СOMPARATIVE ANALYSIS OF DIFFERENT SOW FAMILIES ACCORDING TO REPRODUCTIVE QUALITIES

Scientific-economical experiment was carried out on evaluation of sow reproductive qualities of different families obtained and grown in LLC «Kigbayevsky bacon» of Sarapul district of Udmurt Republic and sows, bought in LLC «Otrada gen» of Lipetsk region. Analyzing reproduction of breeding stock of home selection, according to the first farrow it can be said that the most multiple lambing is observed in sows of Otrada family (new selection) – 15,72 heads. Out of home selection sows families Osobaya (13,33 heads), Reklama (12,3 heads) can be noticed. The worst multiple lambing was noticed at sow of Luchesa and Lily families. The largest nests were observed in sows of Beatrice family (96,5 kg), Luchesa – 88,75 kg. Productive analysis of the second farrow sows established that high multiple lambing was in sows of families Beatrice – 14,49 heads, Luchesa – 13,08 heads, Ovatsii – 13,58 heads. Sows’ multiple lambing of new selection was 17,48 heads. Comparative analysis of reproductive qualities of large white sows of home selection in LLC «Otrada gen» showed that sows of LLC «Otrada Gen» selection are characterized by higher multiple lambing and number of young pig weaning, 17,48 and 13,16 heads, respectively, but they cave on sows of LLC «Kigbayevsky bacon» in livability of young pigs weaning on 15,5 %, weight of one young pig to weaning for 2,48 kg.