查看: 319|回復: 0 | 2006年巴西TOP40 [複製鏈接] |
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http://www.thepigsite.com/swinenews/15527/topigs-genetics-in-brazil-275-piglets-weaned-per-sow-per-year
2006 RESULTS OF TOPIGS 40 SOWS IN BRAZIL | [tr]Number of sows 29,587 [/tr] | | Interval weaning – 1st service (days) | 4.9 | Percentage sows bred within 7 days after weaning | 93.1 | | | Farrowing rate | 92.1 | Number of piglets born per litter | 12.8 | Number of piglets born alive per litter | 11.8 | Litters per mated sow per year | 2.52 | | | Piglets weaned per litter | 10.9 | Preweaning mortality (%) | 6.8 | Weaning age (days) | 21.3 | Weaned piglets per mated sow per year | 27.5 |
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