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1 收集鳖卵。水温在22℃以上时,鳖开始交配产卵。从6月下旬到8月中旬,是亲鳖产卵的盛期,应注意适时收取。 1.1 每天早上应巡塘一次,仔细检查产卵场情,看是否有雌鳖产卵的痕迹。以早上太阳未出,露水未干时为好。发现已有产卵,不可随意翻动或搬运卵,因此时胚胎未固定,震动会影响胚胎的发育。应待14~30小时及胚胎固定,动物极白色植物极黄色分界明显,动物极一端出现圆形小白点,就可收集了。一般第一天发现有
1 collected turtle eggs. Water temperature above 22 ℃, turtle began mating mating eggs. From late June to mid-August, is the peak of pro-turtle spawning, should pay attention to timely collection. 1.1 morning should be patrol Tong once, carefully check the spawning situation, see if there are traces of female turtle spawning. The sun is not out in the morning, when the dew did not dry as well. Found that there have been spawning, not free to flip or move the egg, so when the embryo is not fixed, vibration will affect the embryonic development. Should be 14 to 30 hours and the embryo is fixed, animal extremely white plant extremely yellow demarcation is obvious, the animal appears at one end of the circular white spots, you can collect. Generally found on the first day