Fox disease prevention and treatment

First, encephalomyelitis

The disease is a disease caused by an acute neurotrophic virus. It is susceptible to 8 to 10 months old fox under natural conditions, and the mortality rate is 10% to 20%. Adult foxes are more resistant, but the mortality rate after adult foxes is very high under the conditions of feeding on incomplete feeds and declining body resistance due to chronic diseases. The disease mainly occurs in summer and autumn, and is often sporadic.

(I) Increased excitability of foxes in symptomatic conditions, short-term seizures, and spasmodic contraction of muscles in individual cases after onset. In the onset of the disease, the foxes often experienced chewing chewing and flowed out of the mouth with foamy liquid. The silver fox sometimes shouts loudly for 3 to 5 minutes and then the foxes die or die. After the sick fox subsided, he still lies down and he does not respond to stimulation, feed or call. Before and after the onset of the disease, the diseased foxes appear to have circling movements, walk around the cage, lick, and constantly chewing, their eyes straighten; sometimes loss of vision, pathology 2 to 3 days. Chronic attacks can cause miscarriage, difficult labor, and death of foxes in the first few days after birth.

(B) Prevention and treatment of the disease without specific drugs, generally symptomatic therapy. Anesthetic drugs can be applied to sick foxes, leading to deep sleep for 20-25 hours; but after treatment, most cases relapse and eventually die. For individuals with mild symptoms of encephalomyelitis, isolation and feeding were conducted and the period of skin removal was observed. In order to eliminate the disease, the fox farm must implement comprehensive veterinary hygiene measures and regularly disinfect the ground, cages, utensils and workers' work clothes.

Second, infectious hepatitis

This disease, also known as blue fox and silver fox infectious hepatitis, is caused by the adenoviral virus and is often localized. Its prevalence and mortality do not change with the season, but in the summer and fall season, it is the most favorable to the spread of this disease. The virus invades the fox's body through the respiratory and digestive tracts and the damaged skin and mucous membranes; the virus can also be transmitted to the fetus and the fox in the womb and the fox during lactation. The virus can increase its virulence through fur animals, causing the onset of adult fur animals. When the disease is infected under natural conditions, the incubation period is 10 to 20 days or longer; when artificial infection occurs, the incubation period is 5 to 6 days. The disease is divided into three types: acute, subacute and chronic.

(1) Acute cases of symptoms, manifested as refusal to eat, mental retardation, body temperature rise above 41.5 °C until death; sick fox vomiting, increased thirst, the course of illness does not exceed 3 to 4 days, gradually coma and died. In many cases, the diseased fox died suddenly without any symptoms. Subacute cases, manifested as mental depression, remittent fever, sick fox lying, standing up and instability, the pace shaking. Hindlimb weakness, rapid weight loss, ocular conjunctival and oral mucosal anemia and jaundice, numbness or paralysis of the hind limbs; fox body temperature rises above 41°C at the onset of illness; cardiovascular system disorders when the body temperature rises; heart beats up to 100 per minute ~120 times, pulse is not rhythm, weakness; diseased fox may disappear after the above symptoms, but after a period of time will re-appear the above symptoms, and the symptoms are more pronounced; sick fox urine was dark brown, excitement and depression alternating Diseased foxes often hide in the corner of the cage, showing offensiveness when given food; the disease duration is about 1 month, and finally died or become chronic. In chronic cases, the symptoms are insignificant and unstable; the foxes often suffer from loss of appetite or temporary disappearance; sometimes gastrointestinal disorders (alteration of diarrhea and constipation) and progressive weight loss; short-term increase in body temperature; general chronic cases can be extended To slaughter.

The difference between infectious hepatitis and encephalomyelitis is that infectious hepatitis is widely spread, and encephalomyelitis is often sporadic. The former can occur both in adult and juvenile fur animals. Encephalomyelitis often affects 8 to 10 months old foxes; silver foxes are susceptible to cerebrospinal and blue foxes are less affected. However, infectious hepatitis is often transmitted to blue foxes, and silver foxes rarely suffer from this disease.

(b) Prevention and treatment of this disease is currently no specific treatment. For affected blue fox and silver fox, intramuscular injection of vitamin B (12), each dose is 350-500 micrograms, young foxes each dose is 250-300 micrograms, continuous injection for 3 to 4 days; at the same time the feed is fed Folic acid can be incorporated, each 0.5 to 0.6 mg for 10 to 15 days. The preventive measures for this disease are isolation of sick fox and suspected fox until slaughter; cages and chambers should be thoroughly disinfected, and the ground should be disinfected with 10% to 20% bleach.

Three, fox colibacillosis

The disease is caused by E. coli and mainly affects the fox within 10 days of age. The mortality rate of the young foxes from 1 to 5 days was 50.8%, and that of the 6 to 10 days old was 23.8%.

(I) Symptoms Affected foxes appear to be uneasy, seemingly painful, dull, rough and messy, discharge yellow-green or even dark brown loose stools, and mixed with foam, dirt around the anus; followed by depression and wilting, some cases appear Hemorrhoids, and some cranial swelling; late stage of illness manifested as ataxia, limb paralysis, persistent paralysis or coma death.

(b) The prevention and treatment of the disease early treatment is better. Treatment with the same antiserum and neomycin is preferred. Antiserum 200 ml plus neomycin 500,000 units, vitamin B (12) 2000) micrograms, vitamin B (1) 30 to 60 milligrams and penicillin 500,000 units made of mixture, 1 to 5 days of young fox subcutaneous injection of 0.5 ml, Fox injection 1 ml.

IV. Taeniasis

This disease is a kind of parasite disease commonly found in foxes. The parasite is aphid and parasitizes in the small intestine. Commonly there are big locusts, line locusts, and split-head locusts.

(I) Symptoms Foxes are slow growing, weight loss, rough coats, and sometimes neurological symptoms such as epilepsy, convulsions and convulsions.

(B) Prevention and treatment of the disease can be used betel alkali hydrobromide powder insecticide. Let the disease be hungry for 16 to 18 hours, then feed it on the basis of 0.01 grams of powder per kilogram body weight. This medicine sometimes causes foxes and vomits. In order to prevent vomiting, the iscoline hydrobromide solution is dissolved in a 1% solution in a 0.5% novocaine solution, and then is administered in a feed of 1 ml per kilogram of body weight; the disease can be treated in a fox for 6 to 8 hours after administration. Feed the feed normally. Normally, raw fish that grow in contaminated areas are not fed and sick pox must be fed with fox after high temperature treatment to prevent the occurrence of the disease.

V. Chlamydophila

The disease is caused by the leptospiral form of the fox jaundice. Silver fox is very sensitive to Leptospira. The disease is often endemic, the mortality rate up to 90% to 100%, mainly inflicted on 3 to 6 months old foxes, less into the fox. Blue foxes are also more susceptible. The disease spreads quickly, has an acute onset, and has a high mortality rate. The course of acute cases is only 2 to 3 days.

(I) Symptoms The foxes presented with increased body temperature, up to 41°C, rapid heartbeat, visible yellowing of the mucous membranes, atrophy of the spirit, loss of appetite, vomiting, and diarrhea; pregnancy foxes often suffer from miscarriage.

(b) Prevention and treatment of this disease can be treated with antibiotics.

Six, rickets

Parasites are parasited in the body and damage the coat of the fox, causing serious economic losses to the farm.

(I) Symptoms of disease Foxes can be found in the skin of the soles of the feet in the early stage, and then spread to the upper joints, even the lateral, tail, brain and neck. Diseased foxes have reduced appetite, frequent agitation, and weight loss, and the quality of the fur has dropped from the outside.

(b) Prevention and cure 2% trichlorfon solution for sick foxes, rubbing the affected area, rubbing 1 time in two days; treatment with 1% KeLiLin solution water emulsion medicated bath. Be careful not to injure the fox's eyes, nasal conjunctiva, or false entrance during treatment.

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