Parasitic disease in meat rabbits

1. Coccidiosis rabbit coccidiosis is the most serious form of protozoal disease in parasites of meat rabbits. According to the different types of coccidia and parasitic sites, they can be divided into two types of liver coccidiosis and coccidiosis, but mixed infection is the most common. [Pathogen] There are 16 species of rabbit coccidia recorded in the literature. According to reports from all over the country, there are more than 12 species. Except for rabbits infected with Eimeria tenella that cause hepatic coccidiosis in hepatobiliary epithelial cells, the rest are Parasitic intestine epithelial cells cause intestinal coccidiosis. [Life History] The rabbit coccidiosis is a direct development with no intermediate host, and its life history can be divided into three stages. Asexual reproduction stage: The sporulated oocysts are devoured by the animal with feed and drinking water. After entering the animal's intestine, the sporozoites are removed from the oocysts and drilled into the epithelial cells to form a round schizont. The schizont then reproduces with fission. In the form of proliferating cells, many protozoa (mesozoites) are formed by division, the epithelial cells of the parasites are destroyed, the parasites escape, and new epithelial cells are drilled to form the schizont lysate; this is repeated multiple times. Reproduction, gametogenesis, and sexual reproduction. Sexual reproduction: The gametophyte formed in the epithelial cells forms female cells (macro gametes) and male cells (gametes) by gamete reproduction. The hermaphrodites become zygote and a layer of capsule is rapidly formed around the zygote. bag. The oocysts enter the intestine from epithelial cells and are excreted with the feces. After the rabbit swallows infected oocysts in the external environment such as feed and drinking water scattered on the soil and ground, the infective oocysts are stimulated by duodenal and pancreatic juices and the mechanical action of intestinal peristalsis. The sporozoites are made of spores. The end of the sac with an embolus escapes into the oocyst and is drilled from the hole in the ovum, or the oocyst wall ruptures and escapes. The released sporozoites rapidly invade the intestinal wall or bile duct epithelial cells and become circular schizonts, resuming their reproduction in the host. [Epidemiology] This disease is extremely widespread and occurs most frequently in warm, humid, rainy seasons. It is often endemic. Rabbits of all ages and breeds have susceptibility, but young rabbits after weaning to 1 month of age are most susceptible to infection and have a high mortality rate. Adult rabbits have a mild onset of infection and often present with “subclinical symptoms”. Become a source of infection, easy to transmit to pups. The newly-discharged oocysts develop into infectious oocysts within 10 days at a temperature of 12C, a humidity of 55C, and an oxygen-rich external environment. The oocysts are resistant to chemicals and low temperatures but encounter dryness. It is easy to die in high temperature environment and is killed in 2C hot water for 3 seconds or in boiling water. UV light also has a strong killing effect on various stages of development of coccidia. The main route of transmission of this disease is healthy rabbits swallowing feed and drinking water contaminated by feces of diseased rabbits, and then bringing the coccidial oocysts into the body to cause infections; the flies, cockroaches, and human hands, feet, and all other utensils are contaminated. The oocysts are also one of the sources of infection; both recovered rabbits and adult rabbits infected with coccidiosis are long-term insect infested, and they often emit coccidial oocysts to pollute the environment and become the main source of transmission of the disease; The feeding and management conditions, such as low dietary nutrient levels, insufficient vitamins in the feed, crowded and humid rabbit houses, and poor sanitation, can all contribute to the occurrence of this disease. [Symptoms] The symptoms of rabbit coccidiosis differ depending on the age, physiological condition, coccidia type, infection intensity, and feeding and management of the animal. According to the length of the disease can be divided into: acute, duration of 6 days, animals often die; subacute, duration of 3 weeks; chronic, duration of 3 months. According to coccidian parasitic parts can be divided into: intestinal type, liver type and mixed type. Most of the clinical findings are mixed types. Intestinal type: The general manifestation of acute, sometimes without any symptoms and soon died. Occurred in 12-day-old rabbits, rabbits suddenly fell down sideways, the back of the neck and back two limbs sturdy, head backwards, screaming and screaming; disease-resistant rabbits become chronic, showing loss of appetite, abdominal circumference Increase, arch back, squat, dilute feces around the anus, the course of 5 days, often weight loss, anemia. Liver type: acute cases often occur in 10-day-old young rabbits, clinical symptoms are usually not seen, and limbs die. Liver-type chronic after more common adult rabbits, suffering from rabbits brittle hair and luster, easy to fall off; eyes purple, pale conjunctiva, yellow mucous membranes; liver enlargement, liver contact still pain; once the diarrhea, sick rabbits quickly thin death. Duration of up to 13 months. Mixed type: Occurred in the old rabbit farm, there are two kinds of clinical symptoms of intestinal type and liver type. The rabbits presented with progressive weight loss, anemia, alternating diarrhea and constipation, frequent urination or frequent urination postures, yellow urine, turbidity, and generally poor healing. [Pathological changes] The body of the body is generally seen to be thin, the coat is rough, and the visible mucosa is pale or yellow, and the anus is contaminated with faeces. Intestinal coccidiosis rabbits, gastro-intestinal hernia, mucosal congestion and inflammation; chronic cases of the intestinal mucosa were gray, cecum, especially the coracoid process has many small and hard white nodules, and some purulent necrosis; mesentery Lymph node swelling, bladder accumulation of urine, yellow turbidity, mucosal shedding. Hepatococcus strains rabbits, abdominal cavity water, liver enlargement, liver surface and parenchyma there are many white to yellow soy nodules (commonly known as coccidiosis), there are yellow pus juice, microscopic examination can be seen A large number of coccidial oocysts become powder-like calcifications over time. The longer the course of the disease, the proliferation of hepatic cells around the bile ducts and interlobular parts, hepatocyte atrophy, liver volume reduction, gallbladder enlargement, bile thick, dark, containing a large number of disintegrating epithelial cells. In mixed rabbits, the above two coccidiosis lesions can be seen at the time of necropsy and are more severe. [Diagnostics] Diagnosis is based on epidemiology, clinical symptoms, pathological changes, and the results of coccidia oocyst examination. Check the coccidial oocysts in the feces. Saturate salt water floating method can be used for smear microscopy. Intestinal mucosa scraping, liver lesion scraping and bile can be used for smears and microscopy. Oocysts, schizonts and merozoites. In acute cases, oocysts are not excreted in feces and can be used for smears or microscopic examination of gallbladder exudate or bile. Saturated saline floatation method: The basic principle is to use a solution with a higher specific gravity than oocysts, so that the oocysts float on the surface of the liquid. The operation is as follows: (1) Prepare a saturated salt solution. In 1000 ml of boiling water, add 400 g of salt, stir, melt, filter with gauze or absorbent cotton, and use after cooling. (2) Take 6 grams of fresh rabbit feces, place in a beaker with a capacity of 150 ml, add a small amount of saturated salt solution and stir to dissolve, then add saturated brine (the total amount of salt water is about 10 times the amount of feces) and stir well. (3) Using a double gauze or a 60-mesh screen, filter the feces into another beaker and discard the feces. (4) After allowing the filtrate to stand for 33 minutes, the oocyst floats on the surface of the liquid, and then contacts the liquid surface with a small wire circle with a diameter of 65 cm, picks up a film of water and shakes it onto the slide glass. After the slide microscope. [Prevention] Comprehensive prevention measures should be taken. (1) The rabbit farm should be built in the sunny place of Gaoxiang to ensure the ventilation of the rabbit house to the sun and keep it dry. (2) Keep the rabbit house clean and hygienic. Rabbit farms and feces are cleaned every day; feeding troughs, drinking fountains and straw trellises should be placed outside the rabbit cages to prevent feces from contaminating feed and drinking water. The mesh of the bottom plate of cages should facilitate excretion of excreta and urine; (Rodents, flies, pests); often brushing troughs, drinking fountains, etc.; rabbit houses, utensils and other regular disinfection. (3) Young rabbits were reared separately from adult rabbits and weaned-pig rabbits were isolated early to avoid infecting young rabbits. (4) The diet should be combined with nutrition, give sugar feed, add vitamins and salts, in order to enhance the resistance of rabbits and reduce the occurrence of coccidiosis. At the same time can add appropriate anticoccidial drugs to prevent the occurrence of the disease. (5) Coccidiosis rabbits should be isolated and treated in time, and the bodies and internal organs should be buried or incinerated. (6) Since coccidia are resistant to drugs, prevention and control of echinococcosis need to use the following anticoccidial drugs alternately or in combination. 1. Chlorophenone 53 mg, Furazolidone (Fuling), 52 mg per kilogram of feed, sulfamethazine, and condiments fed during the rainy season can be used to prevent the occurrence of the disease and the treatment amount is doubled. Sulfachloropyrazine, 2 mg per kilogram of body weight per day for 2 days, if necessary, after a week of withdrawal, 2 days, or by adding feed, drinking water, continuous feeding for 2 months, the prevention effect is good. Compound sulfamethoxazole 2 each containing 3 ml, 3 mg, 2-3 rabbits each time, 2-3 young rabbits, 2-3 rabbits, once a day, even for 5 days, a significant effect. 2. Sulfamethoxazole is used for prevention. It can take 2mg/kg body weight per day for 6 days. After 2 days of drug withdrawal and 3 days, 3 courses can be repeated within 2 months. If used for treatment, 30 mg per kg body weight on the first day and 20 mg on the 35th day. Or mix with trimethoprim in a ratio of 32 into a compound mixture, 60 grams per kilogram of feed, feed for 3 days; or add 3 milligrams per 20 milliliters of drinking water, and drink for 1 day, the treatment effect is good. 3. Sulfamethazine for prevention, continuous feeding for 3 weeks. For treatment, use one week, if necessary, stop for one week and then use for one week, or use one day after stopping the medicine for one week per kilogram of body weight. Sulfaquinoxaline, by adding water, once a week, can prevent coccidiosis. Peripheral sulfamethoxazole can treat coccidiosis at 2 mg/kg body weight per day for 2 days. Coccidium can be taken at 3 mg per kilogram of body weight per day, three times per day, once every day to prevent outbreaks of coccidiosis. Glucosamine is mainly used in the second generation of propagules, 3 mg 6 kg or 23, spices, and even feed the day. Monensin is mixed with 20 mg feed per kilogram of feed; can control the occurrence of the disease . In addition, salinomycin 3 mg mixed feed, a preventive effect. 4. Adding onions, scallions, and garlic in the concentrate feed also has the effect of preventing coccidiosis. 2 Chinese medicine also has the role of preventing and treating this disease. The following several Chinese herbal formulas are for reference. Four yellow powder: Coptis, Phellodendron each 3 grams, 11 grams of astragalus, rhubarb 2 grams, 3 grams of licorice, a total of powder, 3 times a day, 3 grams 3 times, and even served 25 days. Healing can not even serve. Coccidia Jiuwei Powder: 3 grams of white silkworm, 2 grams of raw rhubarb, peach kernel mud, and earthworm, 2 grams of raw atractylodes rhizome, cassia twig, white peony root, Alisma, and pig raccoon, 3 times a day, 3 grams 1 Secondly, the effect of the disease is significant at the beginning. Tripterygium wilfordii injection (alias fire bug needle) is injected intravenously in 2 ml 3 kg (maximum 51 ml) and repeated every 1 day. The toxicity of this drug is large. It is not suitable for rabbits and rabbits. 36 Toxoplasmosis is a zoonotic parasitic disease caused by Toxoplasma gondii. The [pathogen] pathogen is Toxoplasma gondii, which has different forms at different stages of development. Trophozoites and cysts occur in intermediate hosts such as humans, rabbits, and rats; the trophozoites, gametophytes, and oocysts appear only in the terminal host (cat). There are two types of onset of rabbit disease: proliferating trophozoites, which occur in the acute phase of the disease; cysts occur in the chronic or recessive stage. (1) The trophozoites, also known as tachyzoites, exist in or outside the cells and are mainly found in acute cases. The shape is crescent-shaped, banana-shaped or arched, 2 μm long and 5 μm wide. One end is slightly pointed, one end is blunt, and the nucleus is at the obtuse end; after cytochrome staining, the cytoplasm is expressed. In blue, the nucleus is stained purple; in the nucleated cells such as monocytes, endothelial cells, and lymphocytes, the breeding parasites can also be seen. (2) Cystic cysts, also known as tissue cysts, occur in chronic cases or asymptomatic cases. Usually oval in shape, with several to several thousand bradyzoites in the capsule, and the morphology of the slow-onset is similar to that of trophozoites. The cysts are mainly parasitizing in the brain, retina, skeletal muscles, myocardium, and lungs, livers, kidneys, etc. The diameter of the cysts can reach 53 micrometers, and can be parasitized for months or years in the host. (3) Schizophrenia reproduces asexually in cat's intestinal epithelial cells. A schizont can develop into many merozoites. (4) Gametophyte is a larval body that reproduces sexually in the cat's intestinal epithelial cells. There are two major gametophytes and two small gametophytes. The small gametophyte is pale, with loose nucleus, and later split into many small gametes (male); The nuclear density is smaller, forming a large gamete (female). (5) The oocysts are ovoid and have double-walled cysts; three ovoid sporangia are formed in each oocyst and each sporang contains a long curved sporozoite. The oocysts are excreted with cat feces. [Epidemiology] The disease occurs in summer and autumn. Cats are the terminal hosts of Toxoplasma gondii and the main source of infection of toxoplasmosis in humans. Cats begin to excrete oocysts within 1% of weeks after infection, and ovary oocysts can be discharged from 130,000 to 20,000 in a day and night. The oocysts are in the external environment. During 1 day (or longer), the meridian develops into infective sporulated oocysts containing sporangia and sporozoites, and invades rabbits through the skin, digestive tract, respiratory tract, and conjunctiva, and can also be transmitted through the placenta. To the fetus; enter the rabbit body, mainly through the lymphatic blood circulation to invade nucleated cells, in the cytoplasm for asexual reproduction caused by the disease. Insects, viscera, blood, exudates, and excretions of diseased rabbits and insects may have Toxoplasma gondii; blood-sucking insects and mites can spread the disease mechanically. Different developmental stages of Toxoplasma gondii have different resistance, and the resistance of the oocysts is strong, and the infectivity can be maintained at room temperature for up to 11 years. Commonly used disinfectants have no effect on them; cysts are not easy to survive under freezing and dry conditions. Can resist the effect of gastric juice; the resistance of trophozoites is the worst. In physiological saline, the infectious power disappears after a few hours. All kinds of disinfectants can make them deadly, and 16 concentrations of Lysol can be killed within 1 minute. Trophozoites. [Symptoms] Acute type: Mainly occurring in puppies, characterized by sudden stopping of food, rapid breathing, elevated body temperature (30C, above), serous or purulent eye discharge and nasal discharge, drowsiness, later convulsions, hind limb paralysis, Usually 3 days died. Chronic type: common in older rabbits, longer duration. The sick rabbits were anorexia, weight loss, and numbness in their hindquarters. They suddenly died and many recovered. [pathological changes] acute type: systemic lesions. In addition to the central nervous system, major organs and tissues have macroscopic lesions, characterized by widespread bleeding and necrosis of lymph nodes, spleen, liver, lungs, and heart. The mucous membranes of the intestine are highly congested with large lentil ulcers; pleural and abdominal effusions. Chronic type: the lesions are not obvious, and the internal organs may be edematous, enlarged, and scattered necrotic lesions. [Diagnosis] Diagnosis of the disease requires etiological diagnosis and serological diagnosis. (1) Diagnosis of etiology Suspicious disease rabbit or rabbit cadaver lung, liver, lymph nodes and other tissues and body fluids are smeared, compressed and sliced. After smears were naturally dried, they were fixed in methanol and stained with Kirschner or Ringer's solution. Chronic cases can examine the cysts in the brain. The brain tissue was placed in a mortar and ground in saline, and then the encapsulant in the brain tissue suspension was examined with a low power microscope. The cysts were round or oval, dark and dark, and the size was 12 microns. Further stained by smear or section, placed under high magnification or oil microscopy to determine. You can also take the lungs and hilar lymph nodes, and then add 3 times normal saline to mix and filter. The filtrate is centrifuged for 3 minutes, centrifuged for 1 minute, and the supernatant is taken. Then 3 to 3 minutes, centrifuged for 3 minutes, and the smears are taken. , drying, fixing, staining, microscopy. The tissues of the lungs, liver and lymph nodes can also be crushed, mixed with 3 times normal saline, and then mixed with 3 units of penicillin and 3% of streptomycin per millilitre of suspension. After standing for 3 hours at room temperature, oscillate until After the precipitation, the supernatant was inoculated into mice and inoculated intraperitoneally to 3 mice in 5 ml and observed continuously for 5 days. If the mouse had clinical symptoms such as respiratory sensation or death, take the mouse's peritoneal fluid and organ for smearing, staining, and microscopy. Inspection. (2) Serological diagnosis Indirect hemagglutination test, dye test, indirect fluorescent antibody test, complement binding reaction, and enzyme-linked adsorption test are used for diagnosis. [Prevention and Prevention] Always keep the rabbit house clean and sanitized regularly; Cats and other meat-eating animals are strictly forbidden in rabbit farms, and the pollution of rabbit houses, feed, cages, and drinking water etc. is strictly blocked by cat feces and their excrement. ; For dead and suspicious rabbits who died of this disease should be burned or buried deeply. The treatment of the disease should be at the early stage of disease. If the medication is later, only the clinical symptoms can be eliminated, and the parasite can not be prevented from entering the tissue to form a cyst, thus becoming a person with insects. For early treatment, sulfadiazine, sulfamethazine, and sulfone (366) can be used. The formula with better curative effect is: (1) Oral, sulfadiazine, 2 g/kg body weight, twice daily. (2) Oral administration of 366, per kilogram of body weight per day, % mg, or 366 and -.- as a 5/% compound preparation, 2 mg per kilogram body weight per day, for 10 days. (3) Intramuscular injection of 366 kilograms of body weight (1 g once daily for 15 consecutive days, if combined with the use of trimethoprim (263) antibacterial synergist, the effect is better. Rickets (caries) is also called Dry claw disease, rickets, is a chronic skin disease caused by mistletoe on the skin, which is characterized by itching, hair loss and scabbing. Four kinds of rabbits and rabbits with back anal fistula in the family Acipenseridae, rabbits with itchy ticks and rabbit foot aphids in the ticks family. Rabbits are small in size, round in shape, have a turtle shape, and are flat on the abaxial surface and ventral surface; The head, chest, and abdomen of the worm body are integrated; the front is a false head with a horseshoe-shaped mouthpart; the back of the body has many bristles and small thorns; there are four pairs of legs on the ventral surface, and the anus is on the trailing edge of the worm body. Rabbits, rabbits, rabbits, back anal fistulas, 2 rabbits, itchworms, rabbits, rabbits, rabbits, back anal fistulas, also known as rabbits, are smaller in size and shape, similar to rabbits, but the main difference is that the anus is located on the dorsal side of the body. It is farther away from the trailing edge of the worm body.The rabbit itchworm body is larger than the pupa and has an elliptical shape;the body surface is smooth, fine hairs, and the surface is pale yellow; The device is long and pointed, conical, and the legs are longer than the ankle. Rabbits have an approximate form of itch and itch, cry in the mouth is short, the body is oval, the difference is that the shank of the sucker is not divided into sections, itching The subfraction is about 52 mm long, which is smaller than the itchiness.[Epidemiology] The main infection method of this disease is contact infection, healthy rabbits contact with contaminants of rabbits or diseased rabbits (rabbit cage, feeding trough, management apparatus) As a result of infection, in autumn and winter, especially in rainy weather, the cages are dark and damp, the body of the rabbits is hyperplasia, the skin surface is poorly ventilated, the temperature is lowered, and the humidity is high, which is conducive to the propagation and spread of warts. Poor management, poor nutrition and health can all contribute to aggravation and spread of the disease.[Symptoms] The rabbit anal fistula and the rabbit dorsal anal fistula are mostly parasitic on the part of the head and palm that is not hairy or have a short hair, and often appear initially. In the nose and lips, and then spread to the eyes, head and face, in these parts of the dermis to tunnel, swallow the epithelial cells, suck the lymph, plus many of its metabolites of toxic substances, stimulate the nerve endings, causing intense itching . The rabbit scratches the affected area, scratches the affected area, begins localized epilation and serous exudation, and then forms a white-yellow moult composed of dry serum and epithelial debris, leading to serious lesions such as skin lesions and secondary bacterial infections. In addition, sputum toxin can cause metabolic disorders, resulting in weight loss, anemia and even death of rabbits, rabbit itch mites are mainly infringed ears, due to pathogenic severe itching, diseased rabbits often scratch the back of the head and ears, causing red roots Swelling, with subsequent self-injury, secondary bacterial infections.The inflammation of the epidermis is caused by the piercing and swallowing of the epidermis of the chelating limb (partial part of the mouth), and the appearance of dry white gray and yellowish-brown in the ear at the beginning of the disease. As the sputum oozes out, the sputum becomes a thick, dry, bran-like substance that gradually fills the ear canal and the rabbit's ears become heavier, sagging, itchy or pus.Some lesions extend to the middle ear and inner ear, and even to the meninges. The rabbit suffers epileptic seizures and dies, and the rabbit foot lice are often parasitized in the head, outer ear and paw, and are slow to spread and are easy to treat.[Diagnosis] Diagnosis can be made based on clinical symptoms, and further diagnosis is needed. To parasites. Specific methods: At the junction of the affected area and healthy skin, scrape the material with a knife (see blood), place it on a slide, add 1 drop of 2 glycerin solution or liquid paraffin, cover the cover glass and under a low magnification microscope Check the body. Can also be placed in 12 sodium hydroxide or potassium hydroxide solution soak for 5 hours, or boil for several minutes, and then let stand for 5 minutes or centrifuged, remove the sediment microscopic examination. It is also advisable to take sediments into test tubes, add 32 times sodium sulfite solution near the tube mouth, and let stand for 1 minute to take microscopic examination from the liquid surface. The differential diagnosis of rickets and eczema and bald tinea: bald itch does not itch, the affected area shows a round or oval-shaped bald area, there is easy to fall off white dander, the wound is dry, does not form ecdysis, and then fusion Into a very large freckle, microscopic examination can be found in the spores and mycelium of the fungus; eczema occurs in the abdomen of rabbits, was dense red spots or erythema block, there is hair off, itching is not severe. [Prevention and Prevention] Always keep the rabbit house dry, ventilated and translucent, diligently remove the excrement, change the bedding regularly, regularly disinfect, keep the rabbit's skin hygiene, strengthen the feeding and management; regularly check the rabbit group, once the diseased rabbit is found, immediately isolate, Treatment or elimination, and strict disinfection of the utensils used, rabbit cages, rabbit houses. Drug treatment should pay attention to the following points: (1) first remove the mole skin, and then use 2 warm soapy water or 52 temperature to Sol solution scrub, the last medication, favorable liquid intrusion. (2) Three days after the first treatment, a second treatment is performed. (3) It is forbidden to deal with rickets in the rabbit house. After treatment, the hair and mink skins must be burned in place. (4) It is not appropriate to use a medicinal bath to treat rabbit rickets. Therapeutic drugs: fly phos-phorus EC, add water 3 times to the affected area, generally can be cured once, severely repeated every 5-6 days. Insecticides are broad-spectrum acaricides, killing adults, larvae and eggs, and have low virulence and potency. The domestic insecticidal fleas dubbed, scrub or soak 5-6 minutes, the water temperature to 55-52 is appropriate, once every other day, even the rule 6 times for a course of treatment. Chlorothrin-permethrin (also called diflubenzuron) is rubbed on the affected area with a 5-fold dilution (1 ml of warm water, 5 kg). Care must be taken to ensure that the coat is thoroughly soaked and generally cured. Repeatedly one week later. 1252 Trichlorfon water spraying cages and affected parts; or rubbing the affected area with 12-52 Trichlorfon alcohol solution (32 ml of 1 ml plus refined Trichlorfon 1-5 g total dissolution); also can use 5-12 enemy hundred Insect ointment (medical Vaseline 1g plus 50g Trichlorfon 50g fully rubbed the affected area, rub once in 3 days. Valeric acid cyanate ester EC (also known as cypermethrin, fast extinguishment D), available 3 times dilution Liquid (1 ml warm water 3, kilograms), rubbing the affected area, generally can be cured at once, and severe cases can be used once every other day. Male butter oil 2 ml soy oil heat plus 1 gram realgar full mix can be rubbed Once in the affected area, once a day, three times, take orally powdered powder (obtained from dried powder), a rabbit weighing 23 kg, and a pair of rubbings, rubbing the affected area with 1. Trichlorfon, usually once. In the internal patient, after removing the molting, use iodine glycerin (3 parts of iodine, 3 parts of glycerin) or sulfur oil (sulfur, turpentine and vegetable oil mixed in equal amounts) to inject into the ear once a day for consecutive days for a course of treatment, after 6 days Once again, 2. Candida cysticerosis is caused by the larvae of tapeworm tapeworms in the liver of rabbits. Caused by diseases in the mesentery and pelvic cavity [Pathogen and life history] The lenticular cysts are white vesicles, the size of which is peas, the wall of the capsule is transparent, the capsule is filled with liquid, and the wall of the capsule is visible in the wall. In the white head section, there are 3 suction cups on the first section, and two rounds of keratin hooks.The adult bean tapeworm is white banded, the chain is long, 51 cm, and the edge is jagged, so it is also called serrated tapeworm, parasitic on dogs. In the small intestine of carnivorous animals such as wolves and foxes, rabbits and other animals swallow the feed or drinking water contaminated with the eggs of the bean tapeworm's progesterone egg or eggs, and the six hooks in the eggs are removed from the digestive tract. The wall of the intestine develops into a lenticular cysticercosis as the blood reaches the liver or leaves the liver and then into the abdominal cavity.A carnivorous animal such as a dog or a fox swallows a rabbit or other rodent organ containing lenticular cysticercosis in the small intestine of the digestive tract. The cysticercosis cysticerus is turned upside down and fixed on the wall of the intestine, and it develops into an adult about two months later.[Epidemiology] The disease has become a worldwide epidemic and there have been more than 10 provinces and cities in the country. Symptoms] In general, the pathogeny of lenticular cysticerci in rabbits The effect is not very serious, a large number of infections (251) may have clinical symptoms. If parasitism in the liver, causing liver damage, suffering from digestive disorders in rabbits, reluctant to activity; if parasitism in the abdominal cavity, the performance of abdominal circumference increased Large, mentally depressed, loss of appetite, gradual weight loss, etc. [Diagnosis] Prenatal diagnosis is more difficult, generally diagnosed by the postmortem examination of bean cysticercosis found [Control] The disease is currently no good treatment, The prevention should be the mainstay. Rabbits are strictly forbidden to feed dogs, to prevent dog dung from contaminating feedstuffs and drinking water, and it is forbidden to feed dogs with rabbit viscera containing lenticular cysticerci, which is caused by rabbit parasitism on the surface of rabbits. Exoparasitic diseases [Pathogen] rabbits do not leave the host for a lifetime, and both larvae and adults rely on blood-sucking to maintain their lives.A cockroach can suck blood in rabbits for one day; after leaving the host, it usually dies within 252 days. Strong resistance, can survive for 2 days at 5 o'clock; weak resistance to high temperature and damp heat, it will die every day and night. [Epidemiology] In autumn and winter, after rabbits exchange wool, the villous hyperplasia, dense hair coat, increased humidity on the surface of the skin, decreased temperature, most suitable for survival and reproduction of rabbits, it is more serious rickets; the other hand, the summer is not conducive to rabbits Survival and reproduction, rickets significantly reduced. The way of rabbit fleas is mainly through direct contact and infection. That is, rabbits and rabbits can contact each other and become infected. Second, they can also be transmitted through utensils and scabs. [Symptoms] Rabbits can secrete toxic saliva when they suck blood, stimulate nerve endings, cause itching, and make the rabbit uneasy, affecting feeding and rest. Suffering from rabbit bite or itchiness everywhere, causing hair loss, peeling and skin damage, and sometimes can cause secondary bacterial infections; if rabbits are too dense, can cause pyogenic dermatitis; suffering from rabbit loss of appetite, weight loss, coarse hair Chaos, weakened disease resistance, young rabbits are stunted. [Prevention and Control] Strengthen feeding management to keep the rabbits clean and hygienic; rabbit houses are often cleaned and disinfected, kept dry and ventilated; frequently changed and diligently sun-matted; regular inspection of rabbits, found rabbits, and timely isolation and treatment. Rabbit lice treatment: 251 trichlorfon solution sprayed or scrubbed. Take milliliters of 12 valeryl valerate milk and warm water 6 ml into a solution, rubbed rabbit hair. Take 3 ml of amphetamine EC, add water to ml, rub or spray. China Agricultural Network Editor

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