proestrus

proestrus

1. Most dogs are first bred between the 10th and 14th day after the onset of proestrus.

一般，第一次交配发生在母犬进入发情期开始计算的第10-14天内。

2. Each mean amplitude increased from proestrus on, with a maximum for uterus in metaestrus and for ileum in estrus, when mean frequency of both was random under all conditions studied.

二者动作的平均幅度均自求偶前期起著增加。

3. But in proestrus rats, most CE and CI neurons exhibited periodic instead of continuous discharges as in diestrus rats.

但情前期大鼠的CE和CI神经元多呈现周期性放电，而间情期大鼠的CE和CI神经元则多呈现连续性放电。

4. proestrus, proestrum

动情前期

5. proestrus group

发情初期

6. Proestrus lasts approximately nine days;the female, however, will not allow coitus at this time.

发情前期约持续九天，不过，这段时间，母犬并不与公犬交配。

7. Proestrus: The female attracts males, has a bloody vaginal discharge and her vulva is swollen.

发情前期：母犬开始引诱公犬，阴道有血渗出，阴户涨大。

8. Proestrus: The female attracts males, has a bloody vaginal discharge and her vulva is swollen. Proestrus lasts approximately nine days; the female, however, will not allow coitus at this time.

发情前期：母犬开始引诱公犬，阴道有血渗出，阴户涨大。发情前期约持续九天，不过，这段时间，母犬并不与公犬交配。

9. Totally 30 proestrus female and adult male SD rats were divided into 3 groups: female group, male group and sham operation group with 10 rats in each group, of which there were 5 male and 5 female rats in sham operation group.

实验动物为发情前期的雌性和成年雄性SD大鼠30只,分为雄性,雌性和假手术3组,每组10只,其中假手术组雌雄各5只。

10. However, signs of proestrus are not obvious in some bitches.To catch the peak fertile period, a veterinarian may need to perform hormone tests or examine vaginal smears under a microscope.

然而，有的母犬发情前期的表征不是非常明显，难于准确掌握，因此，为了在最适合交配的时间进行配种，可能需要兽医进行激素量的检测或者是用显微镜检验阴道分泌物。

11. Student-Newman-Keulls test showed that during thediestrus and proestrus the numbers of stained gonadotrophs were significantlygreater than those in estrus and metestrus (n = 12, P<0.05).

用方差分析表明,间情期和动情前期受染色的细胞平均数目明显多于动情期和动情后期(n=12,P<0.05)。