查詢結果分析
相關文獻
- 以超音波學探討白鼻心卵巢功能性變化及配種適期試驗
- 如何提昇牛隻的受胎率--配種適期
- 臺灣白鼻心(Paguma larvata taivana)例行性臨床檢查之參考值
- 應用外源內泌素調控乳牛之生殖
- 臺灣獼猴性週期之生殖生理變化與腹腔鏡觀察
- 母豬在分娩後生殖內泌素之變化
- 母狒狒生殖週期之卵巢、生殖道與生殖內泌素變化
- 影響乳腺上皮細胞表現內外源性酪蛋白基因之因素
- Simultaneous Separation of Nine Adrenal and Gonadal Steroid Endocrines in Isocratic Reversed-Phase High-Performance Liquid Chromatography
- 短暫舒解熱緊迫對荷蘭女牛受胎率和生殖內泌素之影響
頁籤選單縮合
題 名 | 以超音波學探討白鼻心卵巢功能性變化及配種適期試驗=Ultrasonographic Appearance of the Ovarian Functional Changes during Consecutive Estrous Cycles and Breeding Trials in Female Formosan Gem-Faced Civets (Paguma Larvata Taivana) |
---|---|
作 者 | 劉世賢; 劉炳燦; 馮翰鵬; 鄭豐邦; | 書刊名 | 臺灣獸醫學雜誌 |
卷 期 | 33:3/4 2007.12[民96.12] |
頁 次 | 頁217-224 |
分類號 | 437.22 |
關鍵詞 | 臺灣白鼻心; 卵巢超音波影像學; 配種適期; 內泌素; Paguma larvata taivana; Formosan gem-faced civets; Ovarian ultrasonography; Optimal breeding time; Sex hormones; |
語 文 | 中文(Chinese) |
中文摘要 | 雌性白鼻心屬非季節性多週期動物。目前其動情週期之外生殖器外觀、內分泌型態與陰道細胞相變化已有相關報告發表,但對其卵巢功能性變化過程之超音波型態學與配種適期認定仍未有文獻紀錄。本試驗以6頭性成熟之雌性白鼻心於動情週期之濾泡期(D0、D4、D7)及黃體期(D10、D14、D18)(D0=陰戶腫賬開始日)分別以7.5 MZ直線探頭進行超音波影像掃描紀錄各兩個完整週期。另外,並於週期之D4、D6、D8、D10分別進行配種試驗。動情週期中之卵巢超音波影像掃描分析發現,平均濾泡數目以黃體末期及發情前期最多(6±3個及6±1個),平均濾泡直徑於D7達最大(3.10±0.14 mm); D10直徑最小且數量最少(1.75±0.00mm, 0-2個)。濾泡波於D14再度出現(3±1個),但其直徑皆低於DO、D4及D7(P<0.05)。黃體以D7至D18出現為主,平均數目以D10及D14最多(5±2及6±2個),且較其它日數為高(P<0.05)。平均黃體直徑上,D7及D18大於其他各天(2.99±0.30 mm、3.14±0.0.18 mm)。在外觀生殖器與內泌素變化上,在濾泡期時陰戶開始出現紅腫、黏液分泌現象,部份雌性白鼻心有泌血情形。而血清助孕素(Serum progesterone. SP4)濃度於DO時最低(1.0±0.3 ng/mL),血清雌二醇(Serum eatradiol. SE2)濃度為濾泡期最高點(179.2±29.9 pg/mL)。隨著SP4濃度上升,SE2濃度隨之下降,SP4濃度於D7達到最高峰(4.7±1.0 ng/mL),SE2降至最低(67.0±14.5 pg/mL)。此時陰戶出現紅腫明顯、外突且黏液分泌增加。週期之SP4濃度於黃體期D10後逐漸下降,於D18降至基礎濃度(1.3±0.3 ng/mL)。SE2濃度則於D14開始升高(208.3±29.7 pg/mL)。陰戶自D10以後形成閉鎖,外觀發情現象消失。經由配種試驗亦發現,雌性白鼻心之配種適期在週期的D6至D8之間,其中以DS為最佳時機,受胎率為100%(10/10)。綜合發情外陰部外觀、內泌素變化及超音波影像學三者發現,白鼻心之動情週期中濾泡期約佔整個週期的三分之一,且於濾泡期之極期(D7-DS)黃體化發生於排卵之前,此時在陰戶外觀呈現外突且多黏液現象。而最佳配種時機是D7-D8。本結果將有助於提升白鼻心繁殖效益及相關繁殖障礙之研究。 |
英文摘要 | The female Formosan Gem-Faced Civets (Paguma larvata taivans) is classified to the non-seasonal polyestrous cycles. The ovarian activity has been previously reported by our team, based on sex hormone fluctuations. However, until recently the ultrasound graphic appearance of the ovary functional changes and the proper stage of mating remain undiscovered in this species. Six sexually matured female civets were scanned by ultrasonic liner transducer with 7.5 MHz on DO, D4, D7 (follicular phase), and D1O, D14, D18 (luteal phase) during two consecutive estrous cycles. Simultaneously, serum estradiol and progesterone were assayed. The breeding trials were carried out on D4, D6, D8, D1O, separately. The ultrasound image revealed the average number of emerging follicles in late stage of luteal phase and early stage of follicular phase were more than those in other stage (6±3 vs 6±1). On D14 (3±1), the diameter of these follicles were smaller than those in follicular phase (P<0.05). The emergency of the corpus luteum was observed from D7 to Dl 8, but the significant increasing number was detected on D1O and D14 (5±2 vs 6±2). The diameter of corpus luteum on D7 and D10 (2.99±0.30, 3.14±0.18 mm) were wider than those in the other stages (P<0.05). During the early stage of follicular phase, the vulva showed edematous/red mucous membranes and mucous secretion, some exhibited diapedesis. The concentration of serum progesterone (SP4) in DO was low (1.0±0.3 ng/mL), but concentration of serum estradiol (SE2) reached its peak in this phase (179.2±29.9 pg/mL). Gradually, the concentration of SP4 increased to the peak in D7 (4.7±1.0 ng/mL), and at this time point, SF2 dropped to the lowest concentration (67.0±14.5 pg/mL). The vulva of D7 exhibited obvious extrusion. The results of breeding trials suggest the optimal mating time was between D6 to D8 during which the concept rate was 100% (10/10). Relevant information obtained from this study could be beneficial to fut ure breeding and gynecologic medicine in Formosan Gem-Faced civets. |
本系統中英文摘要資訊取自各篇刊載內容。