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Information × Registration Number 0214U001308, 0111U004985 , R & D reports Title Improve reproductive ability and reproductive longevity pigs by optimizing the use of breeding grounds. popup.stage_title Head Tsup Wolodymyr Ivanovytch, Registration Date 06-02-2014 Organization National academy of agrarian sciences of Ukraine Institute of feed research and agriculture of Podillya Ternopil state agricultural experimental station popup.description2 Object of study - reconstruction and sow pig breeds large white and landrace. The purpose of research - to improve reproductive ability and reproductive longevity of sows by optimizing the use of selection criteria by the relationship of the main selection traits with reproductive capacity. Research methods - zootechnical, cash - comparative, mathematical statistics. Theoretical and practical results - developed scientific - practical recommendations "Improving reproductive ability and productive longevity of sows? Novelty - established that the selection of pigs to the first mate on the length of the body may be more significant in comparison with the selection on live weight. Increase selection pressure pigs to first mate on the length of the body can greatly affect the fertility of sows. The optimal use of time by the number of sows farrowing. The technique of scoring status limbs gilts in the selection to the first mate. Efficiency of the implementation - use when selecting pigs for the first pairing state scoring limbs to reduce culling sows farrowing three by 15%. Scope - pig. Product Description popup.authors Василів Андрій Петрович Скалюк Ангеліна Василівна Цуп Володимир Іванович popup.nrat_date 2020-04-02 Close