Scanning can not with certainty be made from day 24 after mating. If the scan is done too early, the results is uncertain since the embryos are difficult to see on the scanner screen. If the sow scanned empty she is immediately moved to the mating unit.
如果對(duì)掃描結(jié)果有疑問(wèn)，可以在母豬身上做明顯的標(biāo)記，記錄下母豬的圈舍和號(hào)碼 。下一次掃描時(shí)應(yīng)該能得到一個(gè)準(zhǔn)確的結(jié)果 。
If you have doubt about the outcome the sow is clearly marked and number and section is noted. At the next scan there should be achieved a safe outcome.
如果對(duì)母豬進(jìn)行第二次掃描時(shí)，發(fā)現(xiàn)是空懷或仍不確定的，則將其轉(zhuǎn)移到配種舍 。
If the sow empty at the second scan, or you are unsure, the sow is moved to the mating unit.
對(duì)所有不能確定是否懷孕的母豬，要在一個(gè)星期內(nèi)再次掃描 ?？諔涯肛i要立即轉(zhuǎn)移到配種舍，這會(huì)讓母豬的發(fā)情更加顯著 。
All sows where there is doubt about pregnancy, is scanned again within a week. Empty sows are immediately moved to the mating unit, which often triggers a more pronounced heat.
參見(jiàn)18 –掃描技術(shù)
See 18 – Scanning technique
掃描母豬的同時(shí)要評(píng)估其體況，如果需要，要及時(shí)調(diào)整飼喂曲線 。
While scanning the sows are assessed on body condition and the feed curve is adjusted if necessary.
接種疫苗（妊娠第90天）時(shí)，可以評(píng)估母豬是否懷孕 。如果有疑問(wèn)，立即進(jìn)行掃描 。
By vaccination (day 90), it is estimated if the sows are pregnant. By doubt they are scanned.
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