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Artificial Insemination in Denmark 丹麦人工授精

Insemination 人工授精. Artificial Insemination in Denmark 丹麦人工授精. Tenna Hollbaum Højrup Henriksen Technical service manager 技术服务经理. What happens inside the sow? 母猪体内发生了什么 ? What should be done? 应该做什么 ? What can go wrong? 怎么做是不对的呢？ ------. Agenda for the presentation 议程.

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Artificial Insemination in Denmark 丹麦人工授精

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  1. Insemination人工授精 Artificial Insemination in Denmark丹麦人工授精 Tenna Hollbaum Højrup Henriksen Technical service manager 技术服务经理 What happens inside the sow? 母猪体内发生了什么? What should be done? 应该做什么? What can go wrong? 怎么做是不对的呢？ ------

  2. Agenda for the presentation 议程 • Development of AI 人工授精的发展 • How to introduce the gilts for heat 如何训练后备母猪发情 • Stimulation before mating 配种前进行的刺激 • Artificial Insemination 人工授精 • Back flow 精液回流 • The immune system 免疫系统 • The importance of calm after insemination 授精后保持平静的重要性 • The boar 公猪 • Collecting the semen 精液的采集 • The advantage of using AI instead of the boar 和本交相比，人工授精的优势

  3. Development of AI 人工授精的发展

  4. How to introduce the gilts for heat 如何训练后备母猪发情 • First stimulation – 25-26 weeks old 第一次刺激 – 25-26周龄 • Comes into heat 5-10 days later 5-10天后,出现发情 • Register the first heat 登记第一次发情 • Mating in 2. heat 18-21 days later 在18-21天后，第二次发情时配种 • Mating in 2. heat  1 piglet more per litter 在第二次发情时配种  每胎可多产一头仔猪

  5. Which stimulation to use 如何进行刺激 Days to first heat至初次发情天数 In the boar pen 在公猪圈舍 In the gilt pen 在后备母猪圈舍 Through inventory 通过栏杆接触

  6. Stimulation before mating 配种前刺激

  7. The significance of the hormones 激素的重要性 FSH – Follicle Stimulation Hormone 促卵泡激素 Estrogen 雌激素 LH – Luteinizing Hormone 促黄体生成素 Progesterone 孕酮 Prostaglandin 前列腺素 The last two hormones: Oxytocin and relaxin 最后2种激素：催产素和耻骨松弛激素

  8. Stimulation 刺激

  9. The 5-point plan 5个要点 1 3 5 4 5 3 1 2 1 2 4

  10. The importance of stimulation and the result of it 刺激的重要性和结果

  11. Insemination 授精

  12. Insemination procedure 授精过程 Semen dose 精液 Vagina 阴道 Insemination catheter 输精管 Cervix 子宫颈 Urine bladder 膀胱

  13. Insemination in practice 授精的实际操作

  14. Risk factors at insemination 授精存在的风险 • Lack of pregnancy 妊娠率低 • Small litter sizes 窝产仔数少 • Infection in the uterus 子宫感染 • Backflow 精液回流 • Immune system 免疫系统

  15. Back flow 精液回流 Calculation: 5/70x3billion=241.285.714 sperm cells计算： 5/70x300,000,000=241,000,000 精子

  16. The immune system 免疫系统 HEAT 发情 NORMAL IMMUNE SYSTEM 正常的免疫系统 FERTILIZATION受孕

  17. The importance of calm after insemination 授精后，保持平静的重要性 • Moving of sows: 2 hours or 4 weeks after mating 母猪的转移：配种2小时后或配种4周后 • Cortisol inhibits oxytocin皮质醇抑制催产素

  18. The boar 公猪 • Matures at the age 6-7 months 公猪6-7月龄时，成熟 • Semen production 80-600 ml 精液 80-600毫升 • The fragile semen 精液比较脆弱

  19. Collecting the semen 精液的采集 • The equipment 设备 • The collection 采集

  20. The laboratory 实验室 • Temperature around 20 °C 温度约20 °C • Evaluation of the semen 精液的评估 • Dilution of the semen 精液的稀释 • Longevity of the semen 精液的使用时间

  21. The advantage of using AI instead of the boar和本交相比，人工授精的优势 • Less boars on the farms 农场饲养的公猪少 • One boar can father more piglets 一头公猪可以配很多母猪 • You can test the semen quality before mating 在配种前可以检测精液的质量 • Allows mating of animals of different sizes 可以对不同体型大小的母猪进行配种 • Reduces the risk of introducing diseases 减少本交引起的疾病的风险

  22. Thank you for your kind attention!谢 谢！ Contact Us: 联系我们 Address/地址: Room 607，Xiangyang Center, No. 97 Xiangyang Rd. North, Xuhui District, Shanghai, China (200031) 上海徐汇区襄阳北路97号襄阳大楼607室(200031)E-mail: lya@danyu.asia; info@danyu.asia Web/网页: www.danyu.asia Mobile/手机: +86 137 6464 6877 Tel/电话: +86 21 6135 8336 Fax/传真: +86 21 6135 8335

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