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太原动物园科莫多巨蜥孤雌生殖繁育成功 系亚洲首例

  • 2026-02-04 16:35:09
太原动物园科莫多巨蜥孤雌生殖繁育成功 系亚洲首例

 中新社太原1月27日电 (记者 胡健)山西省太原动物园一只11岁的雌性科莫多巨蜥,在无雄性接触的情况下通过孤雌生殖产下的卵粒,历经6个月精心孵化,成功诞下两只健康幼蜥。据公开资料显示,这是中国乃至亚洲首例科莫多巨蜥孤雌生殖繁育成功案例。

  记者27日来到太原动物园两栖爬行动物馆,两只幼蜥被饲养在单独的特殊环境中,它们的破壳时间分别是2026年1月20日和25日,成年雌性科莫多巨蜥仍在两栖馆中,供游客参观。

太原动物园雌性科莫多巨蜥通过孤雌生殖产下的小蜥蜴。刘嶂鑫 摄

  这只雌性科莫多巨蜥于2015年引入太原动物园。2022年9月,太原动物园启动专项丰容改造计划,为科莫多巨蜥提供环境优化,包括搭建智能温控系统、增设UVB模拟阳光灯与自然采光天窗、通过喷淋系统与透气基质调控湿度,铺设岩石堆、腐殖土与小型水域,模拟印度尼西亚岛屿地形等。

  2024年,这只雌性科莫多巨蜥开始规律性产卵,虽初期孵化未获成功,但已实现产卵零的突破。2025年7月20日,这只巨蜥再度产下16枚卵粒,在长达6个月的日夜守护中,最终有两只小蜥蜴破壳而出。

1月27日,记者在太原动物园见到这只雌性科莫多巨蜥。中新社记者 胡健 摄

  太原动物园两栖爬行动物馆负责人刘嶂鑫介绍,科莫多巨蜥之所以能实现孤雌繁殖,源于其独特的染色体构成:不同于绝大多数动物由雄性具备主要遗传性,科莫多巨蜥雌性携带WZ双染色体,雄性为ZZ染色体,雌性可通过自身染色体的分裂与合成完成孤雌生殖,且仅有ZZ染色体的雄性胚胎能够存活,因此孤雌繁育的科莫多巨蜥仅能诞生雄性幼体。

  刘嶂鑫介绍,科莫多巨蜥是世界上体型最大的蜥蜴,被世界自然保护联盟(IUCN)红色名录列为濒危物种。中国国内乃至亚洲的动物园大多为雌雄交配繁育,此次孤雌生殖繁育成功不仅是中国首例,也是亚洲首例。未来,太原动物园将持续监测幼蜥生长轨迹,深化与科研机构合作,深挖孤雌生殖繁育的科研价值。(完)

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  137. /yingpanguazai/ssd/ssd1/www/h.460.net.cn/vendor/topthink/think-template/src/template/driver/File.php ( 2.41 KB )
  138. /yingpanguazai/ssd/ssd1/www/h.460.net.cn/vendor/topthink/think-template/src/template/contract/DriverInterface.php ( 0.86 KB )
  139. /yingpanguazai/ssd/ssd1/www/h.460.net.cn/runtime/temp/dccdcfeff1941d123b17292ae4c6c9a3.php ( 11.98 KB )
  140. /yingpanguazai/ssd/ssd1/www/h.460.net.cn/vendor/topthink/think-trace/src/Html.php ( 4.42 KB )
  1. CONNECT:[ UseTime:0.000879s ] mysql:host=127.0.0.1;port=3306;dbname=h460;charset=utf8mb4
  2. SHOW FULL COLUMNS FROM `fenlei` [ RunTime:0.001602s ]
  3. SELECT * FROM `fenlei` WHERE `fid` = 0 [ RunTime:0.000644s ]
  4. SELECT * FROM `fenlei` WHERE `fid` = 63 [ RunTime:0.000668s ]
  5. SHOW FULL COLUMNS FROM `set` [ RunTime:0.001297s ]
  6. SELECT * FROM `set` [ RunTime:0.000589s ]
  7. SHOW FULL COLUMNS FROM `article` [ RunTime:0.001390s ]
  8. SELECT * FROM `article` WHERE `id` = 466664 LIMIT 1 [ RunTime:0.001006s ]
  9. UPDATE `article` SET `lasttime` = 1771643378 WHERE `id` = 466664 [ RunTime:0.001427s ]
  10. SELECT * FROM `fenlei` WHERE `id` = 64 LIMIT 1 [ RunTime:0.000601s ]
  11. SELECT * FROM `article` WHERE `id` < 466664 ORDER BY `id` DESC LIMIT 1 [ RunTime:0.001046s ]
  12. SELECT * FROM `article` WHERE `id` > 466664 ORDER BY `id` ASC LIMIT 1 [ RunTime:0.006357s ]
  13. SELECT * FROM `article` WHERE `id` < 466664 ORDER BY `id` DESC LIMIT 10 [ RunTime:0.014769s ]
  14. SELECT * FROM `article` WHERE `id` < 466664 ORDER BY `id` DESC LIMIT 10,10 [ RunTime:0.005633s ]
  15. SELECT * FROM `article` WHERE `id` < 466664 ORDER BY `id` DESC LIMIT 20,10 [ RunTime:0.006683s ]
0.206081s