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相关概念视频

In Vitro Fertilization01:24

In Vitro Fertilization

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In vitro fertilization (IVF) is a form of assisted reproductive technology where an egg is fertilized with sperm in a controlled laboratory environment before transferring the resulting embryo into the uterus. This process is designed to help individuals and couples experiencing difficulties conceiving.
The IVF process begins with ovarian stimulation, during which reproductive endocrinologists prescribe hormonal medications to stimulate the ovaries to produce multiple eggs instead of the single...
338

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Human Blastocyst Biopsy and Vitrification
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在体外受精后,养高增益饮食的公牛降低了胚胎细胞形成.

Zachary K Seekford1, Dylan B Davis2, Mackenzie J Dickson1

  • 1Department of Animal Sciences, University of Florida, Gainesville, Florida, USA.

Reproduction (Cambridge, England)
|May 30, 2023
PubMed
概括
此摘要是机器生成的。

将高增益饮食养公牛会增加它们的体脂,降低它们的精子质量,显著降低在体外受精和胚胎培养后胚胎发育的成功率.

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科学领域:

  • 生殖生物学 生殖生物学
  • 动物科学动物科学
  • 精子研究研究精子.

背景情况:

  • 牛的营养显著影响生殖结果,但高增益饮食对胚胎发育的影响还未得到充分研究.
  • 为了快速生长而过度养公牛在牛生产中很常见,这引发了人们对精子和胚胎质量的担忧.

研究的目的:

  • 研究高增益饮食对公牛精子质量和在体外受精 (IVF) 后随后的胚胎细胞发育的影响.

主要方法:

  • 八只成熟的公牛被养维持或高收益饮食67天.
  • 收集精液,分析精子质量,并用于试管婴儿.
  • 评估了胚胎发展到囊胚阶段的情况.

主要成果:

  • 高收益的公牛体重增加,平均每日收益和脂肪厚度增加.
  • 来自高增益公牛的精子显示了早期亡和解后缩体损伤的增加.
  • 来自高增益公牛的精液导致IVF后的胚胎细胞发育率降低.

结论:

  • 在公牛中,高增益饮食增加了脂肪和损害了精子功能,对胚胎细胞的发育产生了负面影响.
  • 虽然精子形态和运动性没有受到影响,但高收益饮食降低了成功创造胚胎的能力.