First, the rumen accumulates food. Cattle rumen food accumulation is also called acute rumen dilatation.
(1) etiology
1, eat too much flatulence-prone feed, such as beans and grains;
2. Eat a lot of semi-dry and non-wet sweet potato seedlings, peanut seedlings, bean seedlings, etc. Not cut off;
3, suddenly change the feed, especially from coarse feed to fine feed, and there is no limit, which is easy to cause this disease;
4, due to physical weakness, indigestion, lack of exercise, eating a lot of feed, lack of drinking water;
5. Rumen achalasia, traumatic reticular gastritis, true gastritis and heat-induced diseases can also be secondary.
(2) Symptoms
In the early stage of bovine disease, anorexia, rumination, belching stopped, and the nose was dry, which was characterized by hunching over the waist, looking back at the abdomen, kicking the abdomen behind the abdomen, wagging the tail and lying restless. When palpated, the rumen was full and solid, sandbag-shaped and painful. Percussion is sound. Rumen peristalsis weakened at first and then disappeared during auscultation. In severe cases, it is difficult to breathe, groan, vomit feces and water, and sometimes flow out of the nasal cavity. If not treated in time, most people die of dehydration, poisoning, exhaustion or suffocation.
(3) Prevention and control
Feeding management should be strengthened to prevent overeating and sudden change of feed, and roughage should be properly processed and softened before feeding. The principle of treatment should be to clear the contents of rumen in time, restore the peristalsis of limping stomach and relieve acidosis.
1, massage therapy: massage the rumen on the left rib of the cow with the palm of your hand, 5? 10 minutes, massage every 30 minutes. Combined with drinking plenty of warm water, the effect is better.
2. Diarrhea treatment: magnesium sulfate or sodium sulfate 500-800g, water 1000 ml, liquid paraffin oil or vegetable oil 1000 ml? 1500ml, fed to cattle to accelerate the excretion of rumen contents.
3, peristalsis therapy: drugs that can stimulate rumen peristalsis, such as 10% hypertonic sodium chloride 300? 500 ml, intravenous injection, and 20-60 ml of neostigmine, intramuscular injection can get good therapeutic effect.
4, gastric lavage therapy: with a diameter of 4? A hose or plastic tube (10 140,-140.00,-1.36%) with a length of 250-300 cm is introduced into the rumen through the mouth of cattle, and then twitched back and forth to stimulate rumen contraction, so that the liquid in the rumen can flow out through the catheter. If the rumen contents cannot flow out automatically, a funnel and a 3000? 4000 ml, when all the liquid in the funnel flows into the catheter, remove the funnel, lower the cow head and catheter, and introduce the rumen contents into the body with a siphon. Repeatedly, the concentrate can be washed out.
5, after the sick cow drinks, loss of appetite, dehydration is obvious, should be intravenous rehydration, while supplementing alkali, such as 25% glucose 500? 1000 ml, 3-4 liters of compound sodium chloride solution or 5% sugar salt water and 500% sodium bicarbonate solution? 1000 ml, etc. , intravenous injection.
6, rumen incision therapy: severe stubborn food accumulation, when the application of drugs is ineffective, it is feasible to cut the rumen and take out the rumen contents.
Second, rumen swelling. Cow rumen flatulence, also known as flatulence, is a disease caused by excessive intake of forage that is easy to ferment. The disease is divided into foam and non-foam according to the nature of qi; According to the cause of the disease, it is divided into primary and secondary.
Most of them are caused by cattle eating flatulence grass.
1, fed a lot of tender and juicy grass. It is generally believed that leguminous plants, such as fresh alfalfa, sweet clover, Chinese milk vetch, pea vine and so on;
2. Eat forage after rain or frost;
3. Fermented silage and moldy hay;
4, secondary to esophageal obstruction, epigastric atony, traumatic reticular gastritis, peritonitis and other diseases.
Shortly after the cattle ate the feed that was easy to ferment, the left rib swelled sharply, and the swelling height could exceed the back. The sick cow showed pain and anxiety, turned to look after her stomach, and lifted her hind legs and kicked her stomach from time to time. Appetite, rumination and burping completely stopped, and breathing was difficult. In severe cases, the mouth is open, the tongue is stretched out to breathe, the breathing heartbeat is accelerated, the conjunctiva is congested, the mouth color is dark, the walking is wobbly, and the standing is unstable. Once it hits the ground, the poison gas is more serious. Without emergency rescue, sick cattle may suffocate and die due to dyspnea and lack of oxygen.
To prevent gluttony of tender and juicy forage, especially when changing from house feeding to grazing, hay or roughage should be fed first, and grazing time should be appropriately limited in the grassland with tender and lush forage and the grassland soaked with frost and dew. Rumen gas can be quickly eliminated and fermentation can be stopped after the onset. The following treatments can be taken:
1. Eliminate gas in rumen of cattle. There are two ways. One is to insert the stomach tube into the rumen, and then twitch the tube back and forth to induce the gas in the stomach to be discharged; The second is rumen puncture, that is, at the highest point of left rib expansion, it is disinfected with iodine and punctured quickly with trocar, and then deflated slowly.
2. Prevent rumen contents from continuing to ferment and produce gas. For cattle with mild swelling, swelling agents can be taken, such as oral 15-20g fish fat or 30ml turpentine. Sichuan soybean oil (7842, -56.00, -0.7 1%), peanut oil and cottonseed oil (250 ml) can be given to sick cattle, which has a good defoaming effect. You can also give cattle defoamers, such as polymethylsilicone oil or 30-60 anti-swelling tablets.
3. Exclude rumen fermentation contents. Diarrhea agents, such as 400-500g sodium sulfate and 800- 1000 ml castor oil, can be used for sick cattle.