每一位雏鸡雌雄鉴定员都要接受好几年的训练,关于如何通过分辨新孵出小鸡生殖器大小和形状的细微差别来决定哪一只是公鸡和母鸡。
They are expected to be able to sort between 800 and 1,200 day-old old chicks an hour - between three and five seconds a chick - with an accuracy of 97 or 98 per cent.
他们预期要一小时分800天到1,200天大的雏鸡,每三至5秒一只鸡,准确率要在97%或98%。
This must be done for as long as it takes to fill an order, which can be up to 13 hours. And each chick must have its genitalia - known as its 'vent' - checked without being harmed, Mr Large told The Times.
雏鸡雌雄鉴定员一直要这样做直到能交付定货,时间最多要13个小时。而且每只鸡必须在不受伤的情况下被检查生殖器,拉格先生告诉《泰晤士报》。
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