关键词: California sea lion (Zalophus californianus) fetal development fetal welfare growth curve pregnancy ultrasonography

来  源:   DOI:10.3390/ani14091384   PDF(Pubmed)

Abstract:
Reproductive success is an important aspect of marine mammals\' population health, as it is an indicator of the trajectory for the population into the future. The aim of this study is to provide additional relevant data on fetus-maternal ultrasonographic monitoring in sea lion species, in order to evaluate possible fetal distress or abnormalities. From 2018 to 2023, serial ultrasonographic scans of two healthy California sea lion females (16 ± 4 years old), kept under human care, were performed over the course of two pregnancies for each female. Animals were monitored from the ovulation to the delivery. Ultrasonography was performed weekly, and, during the last month, daily images were recorded using Logiq Versana Active, General Electric, with a 2-5 MHz curvilinear transducer, and Logiq V2, General Electric, with a 2-5 MHz curvilinear transducer. Right and left lateral recumbencies have been used during the examination. To the author\'s knowledge, this is the first study describing in detail the sea lion organogenesis and their correlation with the stage of pregnancy.
摘要:
繁殖成功是海洋哺乳动物种群健康的一个重要方面,因为它是未来人口发展轨迹的指标。这项研究的目的是提供有关海狮物种胎儿-母体超声检查监测的其他相关数据,以评估可能的胎儿窘迫或异常。从2018年到2023年,对两名健康的加利福尼亚海狮雌性(16±4岁)进行了连续超声检查,受到人类的照顾,在每个女性两次怀孕的过程中进行。从排卵到分娩监测动物。每周进行超声检查,and,在上个月,使用LogiqVersanaActive记录每日图像,GeneralElectric,用2-5兆赫的曲线换能器,和LogiqV2,通用电气,2-5兆赫的曲线换能器。在检查过程中使用了右和左外侧回。据作者所知,这是第一个详细描述海狮器官发生及其与妊娠阶段的相关性的研究。
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