The spider can lay eggs several times in the reproductive periods. So it is polyovulation type.
在生殖季节里可多次产卵，为多次产卵类型。
Regular periods with normal premenstrual symptoms are one of the best indicators that your reproductive system is healthy.
经期正常是生殖系统健康的最好标志之一。
During periods of stress, such as prepartum, postpartum, high temperature and transportation, milk production, immune function, reproductive performance of dairy cows are reduced.
奶牛在妊娠晚期、产奶早期、高温时期和运输过程中处于极度应激的状态下，生产性能、免疫力、繁殖性能均受到影响。
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