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題 名 | 子宮粘液pH值偏低不孕牛之治療=Treatment of Acidified Uterine Fluid in Infertile Cows |
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作 者 | 廖朝政; 彭少雄; 陳合進; 黎俊輝; | 書刊名 | 臺糖畜產 |
卷 期 | 3:3 1997.12[民86.12] |
頁 次 | 頁41-48 |
分類號 | 437.277 |
關鍵詞 | 受胎率; 酸鹼值; 子宮粘液; 葡萄糖液; 乳牛; Conception rate; pH value; Uterine fluid; Glucose; Dairy cattle; |
語 文 | 中文(Chinese) |
中文摘要 | 選用產後第1次配種不孕的母牛130頭,應用pH值檢測器於第2次配種直前檢查其 子宮粘液pH值,並探討pH值高低與受胎率之關係。選取2次配種不孕且pH值在6.6以下的母 牛40頭,隨機分成2組,第1組30頭於授精前3~5小時,以50%葡萄糖液50ml經子宮內投藥, 若投藥及配種後再發情者,則再投藥1次並配種;第2組10頭為對照組,不進行任何藥物處 理,但發情均予配種,若再次發情亦予比照再配種1次。兩組牛隻於授精後2個月檢查是否 懷孕,並應用Chi-square test 分析2組試驗牛配種受胎率之差異性。第1次配種未孕之母 牛,於第2次人工授精前之子宮粘液pH值檢查發現:呈弱酸性及中性粘液居多,其中呈pH6.8 的有 40 頭 (30.8%) 佔最多,其次 pH7.0 有 34 頭 (26.2%) 次之, 而後隨著粘液愈酸性 或愈鹼性, 其頭數也隨之遞減。受胎率方面,子宮粘液呈 pH7.0 時之受胎率為最高 (97%, 33 頭 ),其次為 pH 值 7.2(87.5%,7 頭 ),其後依序是 pH6.8,7.4,6.6,6.4 與 6.2。子 宮粘液 pH 值 6.6 以下的不孕牛以 50% 葡萄糖液 50ml 於配種前行子宮內投注後, pH 值 可調升至 6.8,而不投與者之對照組則 pH 值僅 6.5。投藥後第 1 次配種有20頭懷孕;第 2 次有 4 頭懷孕,總計 2 次投藥配種共 24 頭懷孕,受胎率達 80%。反觀對照組全程僅 1 頭懷孕;受胎率為 10%; 兩組間在統計學上差異極顯著 (p<0.01)。 本治療之結論是:(1) 子宮粘液 pH 值在 6.6 以下的乳牛,受胎率較低,(2) 這些牛隻以 50% 葡萄糖液 50ml 於 配種前行子宮內投藥,有助於受精及受胎。 |
英文摘要 | To determite pH value of uterine fluid at 2nd insemination by pH meter and find a relationship between pH value and conception, a total of 130 infertile cows at 1st insemination were involved in this trial A total of 40 infertile cows with pH value below 6.6 at estrus after 2nd insemination were allocated randomly into two groups. Group 1, a total of 30 cows was administrated 50% glucose 50 ml by intrauterus between 3 to 5 hours before insemination. If re-estrus after administration, the treatment was repeated. In group 2, a total of 10 cows as control were given no drug. The examination of pregnancy by rectal palpation was done about two months after insemination. The conception rates of group 1 and group 2 were analyzed statistically using the Chi-square test. The values of pH examination of uterine fluid in cows were detected mostly of pH 6.8 and pH 7.0(40 cows and 34 cows, respectively). Conception rate at pH 7.0(97%) and pH 7.2(87.5%) were superior to other pH values. The more acidic the uterine fluid of cows was, the lower the conception rate. A total of thirty infertile cows recording pH values below 6.6 were given 50% glucose at a dosage of 50 ml by intrauterus, raising to 6.8 the average pH values. More (p<0.01) cows became pregnant (24 of 30, 80%) when uterus were given 50% glucose before insemination, compared with those cows that were not administrated any drug (1 of 10, 10%). We concluded that the conception rate of the cows whose uterine fluid was ≦ 6.6 pH was lower than for other cows, and infertile cows whose uterine fluid was ≦ 6.6 pH were given 50% glucose by intrauterus had higher insemination and conception rates. |
本系統中英文摘要資訊取自各篇刊載內容。