Rabbit hemorrhagic disease (also known as rabbit viral hemorrhagic disease) commonly known as rabbit plague, is caused by rabbit haemorrhagic disease virus acute, hot, septic, highly contagious, highly fatal infectious diseases. It is characterized by systemic organ bleeding, hepatosplenomegaly.
The disease can occur throughout the year. The main infringement on young rabbits over 2 months of age is that adult rabbits and lactating female rabbits have a high mortality rate, while lactating infant rabbits rarely die. The onset of the disease is acute, with a high mortality rate, frequent outbreaks, and rapid transmission. Once the disease occurs, it often spreads to the entire population within 2 to 3 days, and the incidence and mortality are as high as 95%.
According to the course of the disease, it can be divided into three types: acute, acute and chronic.
The most acute type: more common in the non-epidemic area or the beginning of the epidemic. Rabbits often die suddenly without obvious symptoms.
Acute type: The initial high fever reaches above 41°C, and then the body temperature drops sharply. The rabbit suffers convulsions and screams. Duration of about 1 to 2 days. After the death, he presented with a bent bow and the nostrils flowed out of a red foamy liquid.
Chronic type: more common in the old epidemic area or the late epidemic. Latent period and longer duration, mildly elevated body temperature, lack of energy, rapid weight loss, weakness and death. Some have tolerated, but still become a source of infection.
Astragalus Membranaceus, also known as Mianqi. Herbs perennial, 50-100 cm tall. The main roots are thick, woody, often branched and gray-white. Stems erect, upper branched, finely angled, white pubescent. Herbs perennial, 50-100 cm tall. It is produced in Inner Mongolia, Shanxi, Gansu, Heilongjiang and other places.
The medicinal use of Astragalus membranaceus has a history of more than 2000 years. It has the functions of enhancing immune function, protecting liver, diuresis, anti-aging, anti-stress, antihypertensive and a wide range of antimicrobial activities. However, it is forbidden to use the evidence of excessive superficial pathogenic factors, stagnation of qi stagnation and dampness, stagnation of food accumulation, excessive heat and toxicity at the beginning of carbuncle or after ulcer, and excessive Yin deficiency and yang.
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