1. A cow's estrus cycle averages 21 days.
母牛的发情周期平均为21天。

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2. A cow 's estrus cycle averages 21 days.
母牛的发情周期平均为21天。

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3. An estrus is not a disease but a sign of a variety of conditions.
乏情不是一种疾病,而是一种多方面的体态迹象。

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4. Anestrus (absence of estrus) is not a disease but a sign of a variety of conditions.
乏情不是一种疾病,而是一种多方面的体态迹象。

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5. The number of the CEC was the most at estrus and remarkably (Pmore than that of other stages.
角化上皮细胞在发情期数目最多,明显(P高于其它各期;

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6. Spring is their estrus, the sound all time in night like crow blood is for beckoning their 'Mating objects'.
春天是它们的发情期,夜间啼血般地叫个不住,是召唤‘婚配对象’哩!

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7. If a dog to own the estrus period for the election of her husband masters, the eyes of a certain good, not anxious to lock.
如果自家的一条母獒到了发情期,主人为其选夫婿,看中某条好公獒,先别着急锁定。

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8. Male chinchillas tend to be easier to handle because they are not subject to temperament fluctuations due to the estrus cycle.
雄性龙猫往往更容易相处,因为它们没有波动的发情周期。

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9. Simple nature, care of the father loved his three children, has a beautiful appearance of the daughter, but she in the brink of estrus;
生性单纯、小心谨慎的父亲深爱着自己的三个孩子,有着美丽外貌的大女儿,不过她处在发情期的边缘;

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10. "Quietkat" cat food is the best food for pussycats during estrus period, it maintains a balanced nutrition diet and to stabilize their emotion.
猫静猫粮是猫咪发情期最佳食品,保持营养均衡,稳定猫咪情绪。发情期前后参照以下喂食方式更加合理周到。

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11. "Quietkat" cat food is the best food for pussycats during estrus period, it maintains a balanced nutrition diet and to stabilize their emotion.
猫静猫粮是猫咪发情期最佳食品,保持营养均衡,稳定猫咪情绪。发情期前后参照以下喂食方式更加合理周到。

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