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日期:2024-08-07
公狗發情期症狀相關情報,本站搜羅了公狗發情期症狀,狗發情期症狀,公狗發情期,公狗發情期多久,母狗發情的症狀相關情報,找公狗發情期症狀必看!...
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日期:2024-08-03
Estrus, or heat, is the stage in a female dog's reproductive cycle during which she becomes receptive to mating with males. At this time, estrogen levels first ......