爲了解河南省O型口蹄疫（FMD）的免疫抗體水平，評估其免疫效她些果，2021年在河南省規模場、屠宰場與散養戶，随機采路務集785場次22 879份血清樣(yàng)品，采用ELIS廠又A方法檢測O型FMD免疫抗體，并對(duì)檢測結果進(jìn)行年機不同畜種(zhǒng)、不同場點類型、不姐有同季節、不同行政區域的統計分析。結果顯示：2021年全省O型FMD抗體免疫合科自格率爲80.30%，其中豬、牛、羊抗體免疫合格率她腦分别爲79.09%、92.48%、72.26%。豬場中，種(zh師南ǒng)豬場、商品代場、屠宰場O型FMD抗體免疫合格率分别爲85.24%謝外、82.57%、65.56%；牛場中，種(zhǒng)牛場、商品代場、屠草謝宰場、散養戶O型FMD抗體免疫合格率分别爲96.72%、91.75%、94.1請暗7%、100%；羊場中，種(zhǒng)羊場、商品代場、散養戶O司錢型FMD抗體免疫合格率分别爲78.63%、外關72.37%、69.46%。春、夏、秋、子妹冬季的O型FMD抗體免疫合格率分别爲79.42%、裡人79.00%、80.58%、86.12%。18個地市不亮中，有2個地市O型FMD抗體免疫合格率低于70%。結果表明：河市土南省O型口蹄疫整體免疫效果較好(hǎo廠和)，但羊場免疫效果相對(duì)較差，尤其是散養錯城戶，免疫抗體合格率未達到70%，存在疫情發(fā)生風險。結果提離時示，需重點加強羊飼養場尤其是散養戶的O型FMD免疫工作。

Evaluation on the Immune Effects o愛村f FMD-O Vaccine in Henan Province中會 in 2021

In order to identify th家會e immune status of foot我信-and-mouth disease sub草跳type O（FMD-O）in Henan Province and在日 to evaluate its imm畫新une effects，22 879 serum samp大飛les were randomly collecte文算d from 785 premises/times男路 in intensive farms，slaughter ho日舞uses and free-range h妹南ouseholds in 2021 to detect antibod什關y against FMDV by ELISA，th習做en the test results were analyz船窗ed based on animal species，types o農區f premises，different seasons a也開nd administrative r業文egions. The results showed th森作at the immunization rate of FMD-O was 麗頻80.30% across the pr吃謝ovince，specificall姐短y，79.09%，92.48% and 72.26% respectivel中錢y in pigs，cattle and sheep；for swin報話e farms，85.24%，82.57% and 65.5公南6% respectively in 吃北breeding farms，commercial farms and s機高laughter houses；for cattle farms，96.7工是2%，91.75%，94.17% and 100% respectively門微 in breeding farms，commercial farms，sla姐議ughter houses and free-ran低費ge households；for sheep舞鐵 farms，78.63%，72.37% and 69.46% res們通pectively in bree都請ding farms，commercial farms and free-ra放雪nge households；79.42%，79.00%，80.58% a美師nd 86.12% respectively in spring，s去你ummer，autumn an著低d winter；and below 70% in two o司煙f 18 cities. In conclusion，the immu現議ne status of FMD-O was genera廠身lly well in Henan Prov數有ince，and the immunization rate exceed算慢ed the national sta事熱ndard（70%），but poor in sheep far服讀ms，especially free-range刀不 households（＜70%）wh坐爸ere a risk of disease occurrence was 線物available. Therefore，it was nec頻放essary to strengthen immunization agai計窗nst FMD-O in sheep白她 farms especially 秒道free-range house計南holds.

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