Epi Mix AH 6601-6786 Flashcards
Antibodies in the milk against enzootic bovine leukosis virus can be detected with ELISA
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Tumours caused by enzootic leukosis virus generally appear at the age of 6 months
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The infection with enzootic leukosis virus is detected by AGP and ELISA
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Enzootic bovine leukosis virus is zoonotic
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Enzootic bovine leukosis virus cannot cause intrauterine infection
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The target cells of enzootic bovine leukosis virus are the B lymphocytes
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Enzootic bovine leukosis virus is not shed by the infected animals
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Enzootic bovine leukosis virus can be transmitted with organic infection
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Enzootic bovine leukosis virus can be transmitted with per os infection
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During incubation phase of bovine enzootic leucosis the animal become seropositive
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PCR is used for the detection of bovine enzootic leucosis in immunotolerant calves
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Bovine enzootic leucosis can be eradicated with selection
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Bovine enzootic leucosis virus has several serotypes
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There is no horizontal spread in the case of bovine enzootic leucosis
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There is genetic predisposition in the case of bovine enzootic leucosis
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Enzootic bovine leucosis occurs in all ruminant species
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Enzootic bovine leukosis virus can infect cattle, pigs and horses
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Iatrogenic infection can be important in the transmission of enzootic bovine leukosis virus
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Aerogenic infection occurs in the case of enzootic bovine leukosis virus
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Enzootic bovine leucosis is spreading very fast in infected herds
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Enzootic bovine leucosis virus can infect the foetus
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Enzootic bovine leukosis occurs only in Holstein-Frisian cattle, other cattle races are resistant
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Enzootic bovine leukosis has low resistance; it cannot retain its infectivity for a long time in environment
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The most severe clinical signs of ovine pulmonary adenomatosis can be seen in lambs younger than 6 months
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Antibodies of animals infected with ovine pulmonary adenomatosis virus can be detected with ELISA
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Adenocarcinoma can be seen postmortem in the case of ovine pulmonary adenomatosis
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Ovine pulmonary adenomatosis virus is transmitted with tracheal discharge
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Ovine pulmonary adenomatosis virus can be transmitted with contaminated objects to other farm
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Ovine pulmonary adenomatosis virus can infect sheep, goats, and cattle
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Shedding large amount of nasal discharge is a typical clinical sign of ovine pulmonary adenomatosis
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Ovine pulmonary adenomatosis virus replicates in lymphoid cells and causes viraemia
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Metastasis are rare in the case of Ovine Pulmonary Adenomatosis
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Ovine pulmonary adenomatosis occurs only in South Africa
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Ovine pulmonary adenomatosis virus has no onc-gene
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Ovine pulmonary adenomatosis is prevented with inactivated vaccines
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Ovine pulmonary adenomatosis spreads with nasal discharge
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The primary replication site of OPA is in the mucosal cells of the intestines
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Metastasis are frequently seen in parenchymal in the case of OPA
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Ovine pulmonary adenomatosis virus is found in 2-4 months old lambs
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Ovine pulmonary adenomatosis virus is replicating in the epithelium of the airways
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Tumours can frequently be seen in the liver and the spleen in the case of ovine pulmonary adenomatosis
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Ovine pulmonary adenomatosis can be complicated by Pasteurella and Mannheimia strains
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In the case of ovine pulmonary adenomatosis lesions are common in the liver
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Ovine pulmonary adenomatosis virus causes interstitial pneumonia
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Lung adenomatosis causes usually dry cough
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Lung adenomatosis causes a lot of metastasis
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Ovine pulmonary adenomatosis has no antibody production
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Ovine pulmonary adenomatosis virus results in malignant transformation of macrophages
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Europe is free from ovine pulmonary adenomatosis
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No antibodies to ovine pulmonary adenomatosis virus can be detected in infected animals
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Faces of infected animals contain large amount of ovine pulmonary adenomatosis virus
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Tumour transformation of the epithelial cells happens in the case of ovine pulmonary adenomatosis
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Jaagsiekte affects lambs of 3-6 months
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Jaagsiekte virus can transform human cells
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Jaagsiekte is only present in Africa
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Jaagsiekte causes metastatic abscess formation all over the body
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Feline leukosis virus will be shed lifelong by infected cats
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There are no vaccines for the prevention of feline leukosis
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FOCMA antigen is a typical surface antigen of feline leukosis viruses
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Feline leukosis virus can only be transmitted with saliva
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Cats remain infected with feline leukosis virus lifelong
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Feline leukosis is maintained by persistently infected cats
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Feline leukosis virus can be transmitted by direct contact
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Feline leukosis virus can cause horizontal and vertical infection
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Vaccination of only seronegative cats is responsible against feline leukosis
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Immunotolerant kittens can be born in the case of feline leukosis
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Feline Leukosis can be eliminated in some cats
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There are several subgroups of feline leukosis virus
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Feline leukosis virus can cause immune tolerance
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Feline sarcomatosis virus is a recombinant virus from feline leukosis virus and host DNA
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Feline leukosis virus is uniform
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In the saliva of cats is a high-titer of FeLV
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Feline leukosis virus can cause protective immunity
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In Feline leukosis, anaemia is an important sign
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Cat leukosis virus can be diagnosed with PCR
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There is no vaccine against Feline leukosis virus
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Feline leukosis can infect dogs and cats.
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Asymptomatic infection cannot happen in the case of Feline leukosis
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Feline leukosis virus is immunosuppressive
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Feline leukosis virus is frequently spread with saliva
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Feline leukosis virus can infect dogs, cats and wild living carnivorous animals
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Feline leukosis is a very rare disease
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Feline sarcomatosis is a defect virus
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Feline leukosis can cross the placenta
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Infection with feline leukosis virus always appears in clinical signs
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Feline leukosis virus is spreading by discharge of the infected animal
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Persistently infected cats can shed the feline leukosis virus in high titres
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Saliva of the animal contains large amount of the feline leukosis virus
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Feline leucosis spreads by direct contact
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Feline immunodeficiency virus causes persistent infection
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Feline immunodeficiency virus is widespread
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Feline immunodeficiency virus in cat could be asymptomatic
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Feline immunodeficiency virus is spread by excretes
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Feline immunodeficiency virus develops in 3 phases
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Inactivated vaccines are used for the prevention of avian leukosis
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Attenuated vaccines are used for the prevention of avian leukosis
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Avian leukosis viruses have several subgroups
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Tumours in the liver can be seen in the case of avian leukosis
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Avian leukosis viruses cause horizontal infection
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J subtype of avian leukosis virus is more virulent than the other ones
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Avian leukosis can be diagnosed by detecting COFAL antigen
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Lymphoid leukosis is the most frequent clinical form of avian leukosis
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Avian leukosis viruses cause germinative infection
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All avian leukosis viruses are oncogenic
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Avian leukosis viruses a resistant, they can survive in the bedding for several weeks
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Avian leukosis causes the malignant transformation of B lymphocytes
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Avian leukosis virus occurs only in tropical and subtropical countries
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Avian leuKosis virus can cause only lymphoid leukosis
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Avian leukosis viruses can cause malignant transformation in different tissues
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Germinative infection is an important way of transmission of avian leukosis virus
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Clinical signs of avian leukosis can be seen typically in broiler chicken
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Osteopetrosis can be a clinical form of avian leukosis
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Avian Leukosis virus is uniform
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Every avian leukosis viruses is oncogenic
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Avian leukosis virus cannot infect by germinative way
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Avian leukosis virus infects B lymphocytes
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Infection of poultry herds with avian leukosis virus is widespread
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Clinical signs of avian leukosis generally appear in day old chicken
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Lymphoid leukosis is the most frequent form of avian leukosis
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The main way of prevention of avian leukosis is vaccination using attenuated strains
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Avian leukosis viruses are shed in the faeces
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There is no germinative infection in the case of avian leukosis viruses
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The target cells of the avian leukosis viruses are the B lymphocytes
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There are several subgroups of avian leukosis viruses
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All avian leukosis viruses cause malignant transformation of the host cells
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In a flock infected with avian leukosis virus generally 50-60% of the animals have tumours
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Detection of COFAL antigen is a frequent way of diagnosis of avian leukosis
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Avian leukosis is seen during the first week of life in chicken
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There are resistant lines to avian leukosis
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Proportion of the animals with tumours is low, 1-4% in the case of avian leukosis
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Inactivated vaccines are widely used in order to prevent avian leukosis
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Tumours can be seen in different parenchymal organs in the case of avian leukosis
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T-lymphocytes are the target cell of the avian leukosis virus
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Avian leucosis and sarcoma infections are very common
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Avian leucosis can be caused by different retroviruses
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Congenital transmission of avian leucosis results in immune tolerance
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Reticuloendotheliosis is caused by J type of avian leukosis virus
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Germinative infection can happen in the case of Reticuloendotheliosis
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Reticuloendotheliosis virus is shed in the faces
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Reticuloendotheliosis virus can cause germinative infection
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Stunted growth is a clinical sign of reticuloendotheliosis
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Reticuloendotheliosis is prevented by vaccination of the parent animals
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Immunosuppression is common in the case of Reticuloendotheliosis
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Retardation is a clinical sign of Reticuloendotheliosis
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Wide vaccination is used to prevent Reticuloendotheliosis
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In the case of reticuloendotheliosis immunotolerant chicken can be hatched
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Pneumonia is a typical lesion of reticuloendotheliosis
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In the case of reticuloendotheliosis tumors can be found in the parenchymal organs
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Avian reticuloendotheliosis may be similar in appearance to Marek ́s disease
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Proliferative enteropathies are caused by Campylobacter hyointestinalis
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Proliferative Enteropathies occur in pigs btw. 6 - 20 weeks of age
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Lawsonia intracellularis affects growers
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Intestinal adenomatosis is a form of proliferative enteropathies
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Proliferative enteropathies occur in pigs between 6 and 20 weeks of ager
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Tiamulin can be used for the treatment of proliferative enteropathies
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Swine dysentery is caused by Brachyspira hyodysenteriae
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Lesions of Swine Dysentery are mainly seen in the large intestine
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Necrosis of the gut epithelium is a lesion of swine dysentery
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Haemorrhages under the serous membranes are typically postmortem lesions of swine dysentery
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Leptospira Tarassovi can cause abortion in pigs
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Inactivated vaccines are used for the prevention of bovine leptospirosis
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Clinical signs of the central nervous system can be seen in the case of leptospirosis of young dogs
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Bovine leptospirosis can be successfully treated with penicillins
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Set of fetuses can be seen in the case abortion of sows caused by Leptospira bacteria
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Chronic nephritis is a frequent clinical sign of leptospirosis of old dogs
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Leptospira can be detected with silver impregnation test
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Leptospirosis of suckling piglets is a frequent acute disease
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Generally attenuated vaccines are used for the prevention of leptospirosis of pigs
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Leptospira bacteria are transmitted by ticks
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Leptospira icterohaemorrhagiae can cause acute disease of young dogs
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Leptospira can cause moon blindness of horses
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Abortion is the main clinical sign of leptospirosis in dogs
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Leptospirosis of young dogs is mainly caused by Leptospira canis
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The haemotropic mycoplasmas cannot be cultured on media
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Contagious bovine pleuropneumonia is a fast spreading, acute, generalized disease
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Mycoplasma synoviae can cause arthritis and respiratory infection
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Mycoplasma synoviae is spreading vertically
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Contagious bovine pleuropneumonia is caused by Mycoplasma mycoides subsp. Mycoides
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Majority of the mycoplasmas cannot be cultured on media
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Mycoplasmas are bacteria without cell wall
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Serous-purulent pneumonia is the typical lesion of contagious bovine pleuropneumonia
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Chlamydiosis is a zoonosis
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Chlamydia psittaci causes sinusitis in turkey
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Chlamydia pecorum can cause arthritis in cattle
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Chlamydia pecorum can cause encephalitis in cattle
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Animal pathogenic chlamydia species do not cause disease in human
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