1.病因。难消化的粗饲料比例过大，消化不了的饲料形成硬团下行缓慢，在大肠中水分被大量吸收，形成硬块堵在肠内。

1 etiology. The ratio of roughage, difficult to digest too large, can not digest the feed form lump down slowly, in the large intestine water is absorbed by a large number of the formation of lumps in the intestinal wall.

2）饲料有霉变成分

2) feed mildew components

3）病菌引起的消化道疾病，恢复不彻底，长兔子胃肠蠕动缓慢，粪便在大肠内停留时间长，水分被大量吸收，继而出现长梗塞。

Digestive tract disease caused by bacteria, the recovery is not complete, the long rabbit gastrointestinal peristalsis slow, feces in the large intestine stay long time, water is a large amount of absorption, and then there is a long infarction.

4）药物中毒引起肠蠕动缓慢，造成粪便中水分被大量吸收引起长梗塞。

4) drug poisoning caused by slow peristalsis, resulting in a large number of feces in the water is absorbed by the long infarction.

5）不合理的试用抗菌素，使盲肠中有益菌大量减少，盲肠消化纤维素能力降低，消化异常引起肠梗阻。

5) unreasonable trial in a large number of antibiotics, to reduce cecal bacteria, reduce the cecum ability to digest cellulose, digestive abnormalities caused by intestinal obstruction.

2.症状。兔子腹胀，不吃不喝，前期排硬便，随后不排便。用手摸兔腹部时，肠回盲部有硬块。[url=http://www.pyjxty.com/]长毛兔[/url]用手指弹敲兔子腹部时，有明显鼓音。解刨时会发现，在肠的盲肠口及结肠交会处或下一段部位有硬粪段堵塞肠道，使消化道不通。兔肠内内容物很少或没有，但充满气体。所以兔子不吃不喝。

2 symptom. Rabbit abdominal distension, do not eat not to drink, the early row of hard stool, and then no bowel movement. Touch the rabbit abdomen, intestinal ileocecal lumps. [url=http://www.pyjxty.com/] long haired rabbit [/url] with a finger to play when the rabbit abdomen, there is a clear drum sound. When the plane will be found, in the intestine of the mouth and the mouth of the colon and the colon intersection or the next section of the hard stool blocking the intestinal tract, so that the digestive tract is not. Rabbit intestinal Nene containing little or no, but full of gas. So the rabbit doesn't eat or drink.