猪瘟、猪蓝耳病不同免疫程序对猪血液指标和料重比的影响
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摘要
为研究猪瘟(Classical swine fever,CSF)、猪蓝耳病(Porcine Reproductive and RespiratorySyndrome,PRRS)不同免疫程序对猪血液指标和料重比的影响。选取36头断奶仔猪,随机分为3组,每组2个重复。A组先免疫猪瘟间隔7 d后免疫蓝耳,B组反之,C组同时分点免疫。分别于免疫后第10、20、30、40、50、60、70 d进行前腔静脉采血分析血常规,并记录计算料重比。结果表明:13组平均白细胞数和淋巴细胞比例均在第30 d左右达到峰值,并且A组和C组分别显著高于B组(P<0.01),其他指标各组均无显著差异(P>0.05)。2料重比结果A组最低,C组其次,B组最高。由此可见,A组也就是先免疫猪瘟间隔7 d后免疫蓝耳病疫苗的猪血液指标和料重比最好。
To investigate the effect of different immune processes of CSF and PRRS on blood indexand ratio of feed to gain in pig. 36 weaned piglets were randomly divided into 3 groups with 2 repli-cates. Group A first immunize the piglets against CSF and 7 days later against PRRS. Group B is in re-verse. Group C immunize the piglets against CSF and PRRS at different locations at the same time.Blood samples were taken from cranial vena cava once every 9 days during 70 days after immunizationfor determining blood routine examination. Record and calculate the ratio of feed to gain.The resultsshowed: 1The average number of white blood cells and lymphocytes in the three groups reached thepeak at about thirtieth days. Group A and C were significantly higher than Group B(P<0.01). Therewere no significant differences in other indicators among the three groups(P>0.05). 2The ratio of feedto gain group A was the best, then group C and group B the poorest.In conclusion, blood index and ra-tio of feed to gain in pig of group A that first immunize the piglets against CSF and 7 days lateragainst PRRS was the best.
To investigate the effect of different immune processes of CSF and PRRS on blood indexand ratio of feed to gain in pig. 36 weaned piglets were randomly divided into 3 groups with 2 repli-cates. Group A first immunize the piglets against CSF and 7 days later against PRRS. Group B is in re-verse. Group C immunize the piglets against CSF and PRRS at different locations at the same time.Blood samples were taken from cranial vena cava once every 9 days during 70 days after immunizationfor determining blood routine examination. Record and calculate the ratio of feed to gain.The resultsshowed: 1The average number of white blood cells and lymphocytes in the three groups reached thepeak at about thirtieth days. Group A and C were significantly higher than Group B(P<0.01). Therewere no significant differences in other indicators among the three groups(P>0.05). 2The ratio of feedto gain group A was the best, then group C and group B the poorest.In conclusion, blood index and ra-tio of feed to gain in pig of group A that first immunize the piglets against CSF and 7 days lateragainst PRRS was the best.
引文
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[2]王慧.规模猪场猪瘟与猪蓝耳病免疫效果评估及评估模型建立[D].湖南:湖南农业大学,2013.
[3]万遂如.防控猪免疫抑制的主要技术措施[J].中国猪业,2009(8):4-8.
[4]刘承军,曲悦.规模养猪场免疫抑制病发病机理及综合防控技术[J].猪业科学,2015,32(3):98-99.
[5]王颖辉,刘宇峰.仔猪非特异性免疫系统的组成及发育过程[J].养殖技术,2011(10):178.
[6]卿柳庭,袁宗辉.育成猪免疫学指标的测定[N].华中农业大学学报,2001-12(6).
[7]崔恒实,经荣斌,金韶华,等.复合免疫增强剂对仔猪增重及血像和某些免疫学指标的影响[J].营养与饲料,1993(1):5-6.
[8]陈锴.猪瘟慢性感染对猪免疫功能影响的细胞与分子机制研究[D].四川:四川农业大学,2012.
[9]刘永华.猪高致病性蓝耳病发病机理的研究[D].湖南:湖南农业大学,2008.
[10]蒲静.PRRSV对猪肺泡巨噬细胞天然免疫功能影响的分子机制[D].北京:中国农业大学,2005.
[11]李宏全,刘迎春,宋建德,等.动物的红细胞免疫功能研究概述[N].山西农业大学学报,2002-03(22).
[12]谷臣君,白智轲,陈兴才,等.浅谈猪繁殖与呼吸综合症免疫学机理[J].中国畜禽种业,2015(6):58-59.
[13]徐璐.猪肺泡巨噬细胞(PAM)极化模型的建立及PRRSV感染过程中动态变化研究[D].吉林:延边大学,2014.
[14]马广,欧阳张智,廖秀冬,等.复合菌固态发酵全价饲料对猪生产性能的影响[J].饲料工业,2015,36(1):19-23.