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題 名 | 畜試黑豬之體液免疫及接種環狀病毒次單位疫苗之研究=Humoral Immunity of TLRI Black Pig and the Effect of PCV2 Subunit Vaccination into It |
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作 者 | 洪鈴柱; 黃英豪; 賴亞茜; 李維誠; 王羣; 林有良; 鄭益謙; | 書刊名 | 中國畜牧學會會誌 |
卷 期 | 45:3 2016.09[民105.09] |
頁 次 | 頁241-257 |
分類號 | 437.65 |
關鍵詞 | 體液免疫; 畜試黑豬; 特定抗體; 豬環狀病毒第二型; 疫苗; Humoral immunity; TLRI Black pig; Specific antibody; Porcine circovirus type 2; Vaccine; |
語 文 | 中文(Chinese) |
中文摘要 | 本試驗的目的是調查畜試黑豬一號體液免疫及接種環狀病毒次單位疫苗的效果。結果顯示總蛋白量由 6 週齡持續增加至 12 週齡,總球蛋白及 γ球蛋白由 3 週齡持續增加至 15 週,α1 球蛋白在各週齡的值為定值,α2 球蛋白及 β球蛋白僅在 6 週齡至 12週齡呈現略微上升。膽固醇在 3 週齡至 6 週齡時期快速下降,乳酸脫氫酶檢測值在 3 週齡至 6 週齡呈現急遽下降,而後上升至 9 週齡到高點,之後又降至 18週齡,隨後又上升至 24 週齡到高點。在特定抗體調查方面,抗豬生殖與呼吸綜合症( PRRS)抗體於 3 週齡後呈現快速的增加,抗豬環狀病毒第二型(PCV2)抗體陽性率 6 週齡至 9 週齡呈現下降,而後上升至 18 週齡到最高值。本試驗也發現豬隻在 18 週齡時,特定病原抗體均在最高值或較高值。另一試驗則以注射 PCV2 疫苗及高免疫血清於畜試黑豬,評估其主動免疫力及被動免疫效果。結果顯示疫苗組在 6 週齡快速提高抗體陽性率且較低的病毒血症陽性率在 9、12 及 21 週齡。相反地,其他組在 18 週齡後才達全部抗體陽性。體重方面,3 組無顯著差異。豬隻發生死亡則以疫苗組為最低。 |
英文摘要 | The purpose of this study was to investigate the humoral immunity of TLRI Black pig and the effect of PCV2 subunit vaccination into it. A very rapid increase in the total serum protein level between 6 weeks of age to 12 weeks of age was observed. The data showed that the increase between 3 weeks of age to 15 weeks of age was due to large increases in total globulin, especially γ globulin. α1 globulin appeared to be quite static during this experiment. There was a slight rise in α2 globulin and β globulin content between 6 weeks of age to 12 weeks of age. There was a very sharp drop in the total serum cholesterol level between 3 weeks of age to 6 weeks of age. LDH values dropped from 3 weeks of age to 6 weeks of age, then rose to a peak at 9 weeks of age, and finally it dropped from 9 weeks of age to 18 weeks of age, but later it rose to a peak at 24 weeks of age. In the investigation of specific antibodies, PRRS-specific antibody showed a rapid increase after 3 weeks of age, and the PCV2-seropositive rate dropped from 6 weeks to 9 weeks of age and then increased until 18 weeks of age. The data also indicated that pigs had the highest or higher level of virus-specific antibodies at 18 weeks of age during this trial period. We also injected PCV2 vaccine and immune sera into each TLRI Black pig group respectively to compare the efficacy of active versus passive immunization against PCV2. The results indicated that vaccinated piglets had lower viremia rates at 9, 12 and 21 weeks of age. The seropositivity rates of antibody to PCV2 increased sharply at 6 weeks of age in the vaccine group. On the contrary, they were all seropositive at 18 weeks of age in the other two groups. Weight gain was not significantly different from one another among these three groups. The cumulative mortality rate of the vaccine group was lower than that of the control group and serum group. |
本系統中英文摘要資訊取自各篇刊載內容。