湖北地区猪细小病毒流行病学调查(3)
该研究中PPV与其他繁殖障碍性疾病混合感染的检测结果显示,二重感染(42.12%)和三重感染(11.49%)较为常见,与PRRSV二重感染(21.70%)最为严重,三重感染以PPV+PRRSV+PCV2(5.53%)较多,四重感染在此次采集的样品中未检测到,与吕其壮等[23]的研究结果相一致。由于PPV与其他繁殖障碍性疾病具有协同作用,多种病原混合感染已成为常态,未来对猪繁殖障碍性疾病也应从多病原混合感染的维度进行防控。
为做好PPV防控工作,可从以下方面着手:①建议每隔4~6月对所有妊娠母猪重新接种疫苗,虽然疫苗可以保护猪群免受猪细小病毒病的侵害,但无法阻止病猪排毒;②多种病原混合感染已成为常态,今后猪病的防控与净化也应以多病原治理为思路;③优良的免疫程序要搭配科学的管理制度,现代化养殖业要以疫病净化为手段,以建立生物安全体系为核心。
[1] 吴高峰,胡建民.猪细小病毒病的研究进展[J].安徽农业科学,2006,34(4):679-681.
[2] DUNNE H W,GOBBLE J L,HOKANSON J F,et reproductive failure associated with a newly identified “SMEDI” group of picorna viruses[J].Am J Vet Res,1965,26(115):1284-1297.
[3] MALMSTEN A,MAGNUSSON U,RUIZ-FONS F,et al.A serologic survey of pathogens in wild boar (Susscrofa) in Sweden [J].J Wildl Dis,2018,54(2):229-237.
[4]J,et of antibodies to porcine parvovirus in wild boars (Susscrofa) in Croatia[J].J Wildl Dis,2005,41(4):796-799.
[5] TUMMARUK P,TANTILERTCHAROEN of porcine reproductive and respiratory syndrome,Aujeszky′sdisease,and porcine parvovirus in replacement gilts in Thailand[J].Trop Anim Health Prod,2012,44(5):983-989.
[6] JEOUNG H Y,LIM S I,KIM J J,et prevalence of viral agents that induce reproductive failure in South Korean wild boar[J].BMC Vet Res,2015,11(1):1-4.
[7] 刘伯庶,王琼秋,李永斌,等.猪细小病毒病流行病学调查[J].中国畜牧兽医,2006,33(9):100-102.
[8] 毛以智,王兴群,赵福葳,等.遵义市部分规模养猪场7种疫病的血清学调查[J].安徽农业科学,2013,41(12):5366,5369.
[9] FOERSTER T,STRECK A F,SPECK S,et al.An inactivated whole-virus porcine parvovirus vaccine protects pigs against disease but does not prevent virus shedding even after homologous virus challenge[J].J Gen Virol,2016,97(6):1408-1413.
[10] OPRIESSNIG T,GERBER P F,MATZINGER S R,et different immune responses and virus kinetics in littermates infected with porcine circovirus type 2 or porcine parvovirus type 1[J].Vet Immunol Immunopathol,2017,191:51-59.
[11] 刘国平,李文静,常小云,等.一种通用型猪细小病毒巢式PCR引物组及其应用:CN2.3[P].2019-05-03.
[12] 刘国平,常小云,张烁,等.一种通用型巢式PCR检测伪狂犬病毒的方法:CN2.6[P].2019-05-17.
[13] 刘国平,晋钱钱,谢洪涛,等.一种通用型猪蓝耳病毒三重巢式RT-PCR检测引物及方法:CN2.1[P].2019-05-17.
[14] 刘国平,李文静,刘艳珍,等.一种通用型猪圆环病毒2型巢式PCR检测方法:CN2.3[P].2019-05-24.
[15] ORAVAINEN J,HEINONEN M,TAST A,et al.High porcine parvovirus antibodies in sow herds:Prevalence and associated factors[J].Reprod Domest Anim,2005,40(1):57-61.
[16] 刘明莉,朱凤霞.驻马店市2014年上半年生猪、家禽疫病流行病学调查及预警分析[J].黑龙江畜牧兽医,2014(20):79-80.
[17] 谭小兵,罗燕,尹杰,等.遂宁市猪细小病毒病的流行情况监测与分析[J].四川畜牧兽医,2016,43(11):29-30,32.
[18] 杨先富,廖飞,陈引桂,等.剑河县某3个猪场剑白香猪细小病毒病的诊断及流行调查与防控[J].黑龙江畜牧兽医,2018(24):101-103.
[19] GAVA D,SOUZA C K,MORES T J,et of vanishing of maternally derived antibodies ofUngulateprotoparvovirus1 suggests an optimal age for gilts vaccination[J].Trop Anim Health Prod,2017,49(5):1085-1088.
[20]A,MANTEUFEL J,SELBITZ H J,et against porcine parvovirus protects against disease,but does not prevent infection and virus shedding after challenge infection with a heterologous virus strain[J].J Gen Virol,2009,90(Pt10):2437-2441.
[21] MéSZROS I,OLASZ F,CSGOLA A,et of porcine parvovirus (Ungulateparvovirus1)[J].Viruses,2017,9(12):1-14.
[22] 潘新尤,徐杰.气温对母猪受胎率的影响[J].养猪,2012(2):37-38.
[23] 吕其壮,林谦,陈旭健,等.广西地区陆川猪病毒性免疫抑制病的流行病学调查[J].中国预防兽医学报,2018,40(2):106-111.
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