Actual case
A pregnant cow had gastric bulging. Her symptoms had improved after she had eaten dry yeast and sodium bicarbonate, but the cows became ill after eating. The diseased cow showed a bulging stomach, a hard touch, a yellow nose, and a normal body temperature. The cow feeds short straw. From the analysis of symptoms, this cow should have obstructed stomach and secondary rumen food.
Causes
It may be caused by long-term feeding of a single non-digestible wheat straw. In the rumen, the wheat straw enters the abomasum without being fully digested by the microorganisms, thereby increasing the emptying burden of the atrophic stomach. In a certain period of time, the food entering the atrophic stomach is larger than the atrophic stomach. Susceptibility to imbalances in the dynamic balance between inflow and outflow, resulting in retention of food in the abdomen. Simultaneously, due to the long-term stimulation of single feed, the excitability of the gastrointestinal tract is reduced, the digestive function is weakened, and the function of the arousal is impaired. The lowering of the emptying function, coupled with the gradual absorption of water by the body, results in obstruction of the abomasum and causes the rumen to accumulate food.
Clinical symptoms
Rumination and heating stopped, mental depression, dry nose, sticky secretions in the nostrils, molars, mucus in the mouth, and unpleasant acid odor. Heartbeat, quick breathing, but normal body temperature. Dark urine was dark yellow, not excrement, auscultation Ruminal motility significantly reduced, the number of reduction, short duration. Sometimes the rumen occurs intermittently and the ruthenium has drums. The palpation of the rumen during the year of the disease suggests that the stomach is full of contents and is harder. The right abdomen protrudes downwards and can touch the hard abomasum. A rectal examination revealed that the intestines were empty and empty.
Treatment principles
It is mainly to enhance the peristalsis of rumen and atrophy, to soften the contents of rumen and atrophy, and to promote the excretion of feces.
Perfusion catharsis
With paraffin oil 1000 ml -1500 ml disposable gavage.
Promote rumen motility
With 10% sodium chloride 300 ml, 10% sodium sulfate coffee 20 ml, 500 ml of recalcitrant solution, one-time intravenous injection, intramuscular injection of 10 mg of gastric porphyrin twice a day.
Supplement body fluids to prevent dehydration and acidosis. With a 10% glucose solution 1500 ml - 2000 ml, 25% glucose solution 500 ml, 5% sodium bicarbonate 500 ml, one-time intravenous injection, 2 times a day.
Gastric lavage
If the cow gets worse, the water in the abdomen and rumen will be gradually absorbed by the body, which will lead to a harder ruminal content that is not conducive to digestion. At this time, gastric lavage should be performed. Use 5000 ml of 1% saline, 300 g of Glauber's salt (pregnancy cannot be used with Glauber's salt), and mix 95 ml of alcohol with 250 ml. Fill it with gastric tube once a day. After 5 minutes, perform gastric lavage and wash it repeatedly until it reaches the rumen contents. Soft so far.
After the symptoms of sick cows improve, feed some easily digestible feed and green feed, and do not increase feed intake to ensure adequate clean drinking water.
Pay attention to the proper exercise of the cow.
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