Touching the tires at the time of touching the tires should be carried out after 8 to 10 days of breeding. Can not be diagnosed too soon, affecting supplementation too late.

When touching the tire method, the female rabbit is placed on a flat surface and can be carried out in a rabbit cage. The left hand grasps the female rabbit ear and the neck skin, and the right hand touches the fur from front to back to make it quiet. . Then the right thumb and the other four fingers are in the shape of an “eight” and reach under the abdomen of the female rabbit. The back of the abdomen is gently lifted and the abdominal contents are moved forward. The fingers are slowly closed and the shape, size, and texture of the abdominal contents are stroking. . If it feels peanut-sized, round, and fleshy and slippery, it is a sign of pregnancy.

Difference diagnosis should pay attention to the difference with dung ball. Dung ball is similar to the size of peanut, but the surface is rough, no meat texture, irregular arrangement, distribution is more dispersed. The position of the embryos is relatively fixed. In the upper part of the posterior abdomen, there are many clusters, one in a row, one in a concentric manner. The texture of the meat is obvious, and there is a feeling of sliding in the hands.

Note that the problem should be steady and not pinched so as not to cause embryonic death or miscarriage. If you cannot confirm the diagnosis within 8 to 10 days, you may postpone it for several days. About 14 days, the embryo resembled the size of red dates, about 18 days, like the size of a walnut, and it touched the hard skull 22 days later. Since then, the fetus's body has stretched out, a curved strip has formed, and the female rabbit has large belly and sagging.

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