search:老鼠懷孕週期相關網頁資料

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    日期:2025-07-06
    5 Life cycle and reproduction; 6 Life expectancy; 7 Mice and humans ... Odours from adult males or from pregnant or lactating females can speed up or retard ......
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    日期:2025-07-07
    The normal estrus cycle of a laboratory mouse is 4-6 days in length. ... (4) If pregnancy does not occur, the metestrus phase is ultimately followed by the last ......