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首页> 外文期刊>Archivos Latinoamericanos de Produccion Animal >Assessment of transrectal ultrasonography for detection of ovarian follicles in hair sheep
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Assessment of transrectal ultrasonography for detection of ovarian follicles in hair sheep

机译：经直肠超声检查在毛羊卵巢卵泡中的评估

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This study evaluated the accuracy of transrectal ultrasonography (US) for the determination of ovarian follicles in hair sheep. Number and size of follicles in 24 ovaries (n= 12 ewes) were determined using an ultrasound machine (Aloka SSD 500), fitted with a 7.5 MHz transrectal probe. The ovaries were collected just after US, for measurement of the number and size of follicles (postmortem findings; PM). There were no differences in the number of small (2 to 2.9 mm), medium (3 to 3.9 mm), large (≥ 4 mm) and total follicles/ovary as detected by US and PM (1.3 ± 0.3 vs 1.6 ± 0.3; 0.5 ± 0.2 vs 0.8 ± 0.2; 0.5 ± 0.2 vs 0.5 ± 0.2; and 2.3 ± 0.3 vs 2.9 ± 0.4; respectively). The sensitivity and predictive value of US for detection of follicles in each category were 71.1, and 87%; 68.4, and 100%; 91.7, and 100%; 73.9, and 92.7%, respectively; the correlation coefficiennts (r) for number of small, medium, large, and total follicles being 0.75, 0.83, 0.96 and 0,75 (P<0.001), respectively. It was concluded that US is an efficient tool for detection and measurement of ovarian follicles in studies of the reproductive physiology in hair ewes.
机译：这项研究评估了经直肠超声检查（US）测定毛羊卵巢卵泡的准确性。使用装有7.5 MHz经直肠探头的超声仪（Aloka SSD 500）确定24个卵巢（n = 12母羊）中卵泡的数量和大小。在美国之后收集卵巢，以测量卵泡的数量和大小（死后发现; PM）。 US和PM检测到的小（2至2.9毫米），中（3至3.9毫米），大（≥4毫米）和总卵泡/卵巢的数量没有差异（1.3±0.3 vs 1.6±0.3。 0.5±0.2 vs 0.8±0.2; 0.5±0.2 vs 0.5±0.2;和2.3±0.3 vs 2.9±0.4;）。 US对每个类别的卵泡检测的敏感性和预测价值分别为71.1和87％。 68.4和100％; 91.7和100％;分别为73.9和92.7％;小卵泡，中卵泡，大卵泡和总卵泡的相关系数（r）分别为0.75、0.83、0.96和0.75（P <0.001）。结论是，在毛母羊的生殖生理研究中，US是检测和测量卵巢卵泡的有效工具。

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