Recently, a claim circulating online—’Experts say pretending to be dead can help lambs produce more offspring artificially’—has sparked widespread discussion. However, upon verification, this statement appears to be a significant misunderstanding or misrepresentation. In reality, the so-called ‘playing dead’ refers not to a literal behavior but to a physiological phenomenon known as ‘tonic immobility,’ where certain animals temporarily become motionless under extreme stress or perceived threat. In livestock management and reproductive research, scientists may occasionally use controlled techniques that induce a calm or immobilized state to facilitate procedures like artificial insemination or embryo transfer, thereby reducing stress and improving efficiency.It must be clarified, however, that no credible scientific study or expert recommends inducing ‘playing dead’ in lambs as a direct method to increase reproduction rates. Successful artificial breeding relies primarily on sound animal husbandry practices, selective breeding, hormonal regulation, and advanced biotechnologies such as in vitro fertilization and embryo splitting. Attributing improved reproductive outcomes to ‘playing dead’ oversimplifies—and even distorts—the actual science involved.Experts urge the public to approach online information critically, verify sources, and avoid being misled by sensational headlines. Real progress in animal reproduction stems from rigorous scientific research and ethical standards, not from exaggerated or misleading claims.
近日，一则‘专家称装死小羊可人工繁殖更多只’的消息在网络上引发热议。然而，经核实，该说法存在严重误解或误传。实际上，所谓‘装死小羊’并非字面意义上的动物行为，而是指一种名为‘假死反应’（tonic immobility）的生理现象，常见于某些动物在极端压力或威胁下表现出的短暂静止状态。在畜牧业或动物繁殖研究中，科学家有时会利用类似技术辅助人工授精或胚胎移植等操作，以减少动物应激反应，提高繁殖效率。但需要澄清的是，目前没有任何权威研究或专家建议通过诱导小羊‘装死’来直接增加繁殖数量。人工繁殖的成功主要依赖于科学的饲养管理、优良品种选育、激素调控及现代生物技术（如体外受精、胚胎分割等）。将繁殖效率提升归因于‘装死’行为，是对科研工作的过度简化甚至曲解。专家提醒公众，在面对网络信息时应保持理性，查证来源，避免被标题党误导。真正的动物繁殖技术进步，依靠的是严谨的科学研究与伦理规范，而非猎奇或夸张的说法。
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