Воспроизводительные качества свиноматок разных генотипов при использовании в промышленных комплексах
2008
Yatusevich, V.P. | Pinchuk, V.F. | Shishlo, M.V., Vitebsk State Academy of Veterinary Medicine (Belarus)
Research of the reproductive qualities of sows of different genotypes depending on duration of gestation period was realized in the conditions of an industrial pig complex of the Republic of Belarus. In course of research there were analysed 500 sows and 1991 farrowings and was stated that only 61,4% sows had gestation period in the range of physiological standards (at the average -11,5 days). In 17,8% of sows the mentioned above parameter was on 1,6 days shorter and in 1/5 of all sows under investigation it was 0,6 days longer. A higher productive performance was marked in double-breed sows of a genotype (White Large x Belarusian Meaty) with the average gestation period of 114,2 days. There were no essential deviations marked in the duration of the gestation period depending on the ordinal number of farrowing, though for the third farrowing the duration of the gestation period made 114,8 days and was 0,2-0,4 days longer as compared with the first and the second farrowings
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