MT4 - Salmonella diseases of swine (R) Flashcards
Salmonella Typhi is a zoonotic agent.
F
S.Typhi can ONLY infect humans
Salmonella Typhysuis is a causative agent of swine typhoid
T
Salmonella typhisuis is an obligate pathogen
T
The agent of swine typhoid mainly replicates in the small intestine.
F
Large intestines
The agent of swine typhoid can cause lesions only in the gut
F
Swine typhoid can be transmitted by contaminated utensils
T
Swine typhoid occurs in endemic herds above 3 months of age
T
mainly in growing and finishing pigs ⭢ above 5-6 weeks of age
Swine typhoid is a chronic disease.
T
Cough is a frequent clinical sign of swine typhoid.
T
Cough is seen at a later phase, when the Typhisuis reaches the lung
The agent of swine typhoid can cause focal inflammation and necrosis in the parenchymal
organs
T
Typhocolitis of swine mainly occurs in growers and adults
T
Typical in fattening pigs
Swine typhoid mainly occurs in suckling piglets
F
chronic
mainly in growing and finishing pigs ⭢ above 5-6 weeks of age
salmonella choleraesuis is the causative agent of swine typhoi
F
S. Typhisuis :swine typhoid, salmonella choleraesuis: paratypho
the agent of swine typhoid replicates only in the gut, it cannot get into the blood
F
Causes bacteriaemia
vaccination is not recommended for the prevention of swine typhoid
T
no vac
swine typhoid is a very frequent disease in Europe nowadays
F
Very rare today due to better hygiene and increased level of agriculture
Swine typhoid is an acute disease:
F
Chronic disease
The agent of swine typhoid can infect pigs, dogs, cats and humans
F
Only susceptible to swine
Lesions of swine typhoid are always limited to the intestine
F
Lesions of swine typhoid are in the large intestine
T
Swine typhoid is an acute disease; it is spreading fast in the herd
F
Chronic disease, AND it spreads slowly
S. Typhisuis replicates in the lymphoid patches of the large intestine
T
Infection caused by S. Typhisuis is limited to the intestine
F
S. Typhisuis can cause a severe acute disease in swine
F
Chronic disease
Swine typhoid is caused by Salmonella Choleraesuis
F
S. Typhisuis: swine typhoid salmonella choleraesuis: paratyphoid
Salmonella Choleraesuis is an obligate pathogen.
F
Facultative pathogen
Ulcers in the large intestine are frequent post mortem lesions of swine typhoid.
T
Swine typhoid is treated with penicillin
T-A but I think F
used to improve condition before slaughter not for treatment as such
Complete healing cannot be expected
Per os infection is frequent in the case of swine typhoid
T
Swine typhoid is limited to the intestine, it cannot cause bacteremia.
F
Can cause bacteriaemia
Lesions of swine typhoid can be seen in the small intestine.
F
Large intestines
Swine typhoid is an acute disease of swine
F
chronic
Swine typhoid is caused by Salmonella typhisuis
T
Salmonella typhisuis can infect ruminants and swine
F
only susceptible to **swine **
Swine typhoid occurs only in piglets between 2-5 months
F
Growing and finishing pigs :Above 5-6 weeks of age
Certain lesions of swine typhoid can be seen in the large intestine
T
Swine typhoid is a frequent disease on large scale farms
F
Rare
Swine typhoid is spreading slowly in the herd
T
Swine typhoid can be transmitted with faecal contamination.
T
The agent of swine typhoid can only replicate in the gut
F
Salmonella typhisuis and S. gallinarum are obligate pathogens
T
Salmonella typhisuis is widespread in different animal species
F
rarley seen
Salmonella typhisuis can be introduced with infected animals
T
Salmonella typhisuis can cause a fast spreading infection in the herd
F
Slow spreading
Swine typhus causes significant economic losses in larger farms
F
Salmonella enteritidis causes swine typhus
F
S. Typhisuis: swine typhus S. enteritidis : salmonellosis of poultry
Swine typhus is usually an acute disease
F
chronic
Swine typhus only affects the intestines
F
Salmonella typhisuis causes paratyphoid in swine.
F
causes swine typhoid
Swine typhoid is a frequent disease in Europe causing high losses
F
rarley
The agent of swine typhoid replicates in the large intestine
T
Killed vaccines are used to prevent swine typhoid
F
Swine typhoid is spread by rodents
F
In swine typhoid transport is an important predisposing factor
F
No predisposing factors, management can influence the losses
Swine typhoid are mostly seen in 2-3-week-old piglets
F
Growing and finishing pigs : above 5-6 weeks of age
In swine typhoid, bacterial isolation is the best way to detect the bacteria
T
Serology is an important tool to identify S. Typhisuis
F
Serology cannot be done because S. Typhisuis is too similar to S. Choleraesuis
In swine typhoid, pathological changes are seen in the large intestine
T
In swine typhoid, pathological changes are seen in the whole intestines
F
Swine typhoid is caused by S. typhi
F
S. Typhi causes disease ONLY in humans
Yellow, watery diarrhoea is a clinical sign of swine paratyphoid
T
Salmonella Typhimurium can cause swine paratyphoid
T
Swine paratyphoid is mainly seen in suckling piglets
F
Fever is a common clinical sign of swine paratyphoid.
T
- fever (42C),
- anorexia, depression
- cyanosis
- diarrhoea (yellow, watery)
Focal inflammation and necrosis are a common postmortem lesions of fowl paratyphoid
T
Acute:
* cyanosis
* haemorrhages
* hyperplasic spleen, enlarged lymph nodes
* gastroenteritis (small intestine)
* liver:** focal inflammation-necrosis **
Swine paratyphoid is an acute disease
T
acute, generalised disease
Classical swine fever can predispose animals to swine paratyphoid
T
predisposing factors:
- overcrowding
- cold, mixing
- transportation, feed
* viral infections
Antibiotic treatment isn’t allowed in the case of swine paratyphoid:
F
Antibiotic treatment:
- tetracyclines, fluoroquinolones
- wide spectrum antibiotics
inflammation of the small intestine is a postmortem lesion of swine paratyphoid
T
acute:
* cyanosis
* haemorrhages
* hyperplasic spleen, enlarged lymph nodes
* gastroenteritis (small intestine)
* liver: focal inflammation-necrosis
swine paratyphoid is caused by obligate pathogenic bacteria:
F
facultative pathogenic serotypes
swine paratyphoid has been eradicated from Europe
F
worldwide, relatively more frequent
swine paratyphoid is most frequently seen in pigs between 2 and 5 months of age
T
There is septicaemia in the case of swine parathyphoid
T
Pathogenesis:
* per os infection
* small intestine = inflammation
* blood
* septicaemia
* parenchymal organs
Cyanosis is a clinical sign of swine paratyphoid
T
- fever (42 oC),
- anorexia, depression
* cyanosis - diarrhoea (yellow, watery)
Salmonella Choleraesuis can cause swine paratyphoid
T
Swine paratyphoid generally occurs in all age groups
F
most frequently in 2–5-month-old animals
High fever is a typical sign of swine paratyphoid
T
* fever (42 C),
* anorexia, depression
* cyanosis
* diarrhoea (yellow, watery)
There are vaccines against swine paratyphoid on the market
T
vaccines
* vaccination around weaning 2*
* inactivated, attenuated
* relative protection
Only Salmonella Typhimurium can cause swine paratyphoid
F
** S. Choleraesuis, **S. Typhimurium, S. Derby, other serovars
Swine paratyphoid is an acute generalized disease.
T
Antibiotics are not used for the treatment of swine paratyphoid.
F
Antibiotic treatment:
- tetracyclines, fluoroquinolones
- wide spectrum antibiotics
Salmonella choleraesuis and S. typhimurium can cause swine paratyphoid
T
also S. Choleraesuis
Swine paratyphoid is most frequent in suckling piglets.
F-A - 2-5m
2–5-month-old animals
There is no use of antibiotic treatment in the case of swine paratyphoid
F
Antibiotic treatment:
- tetracyclines, fluoroquinolones
- wide spectrum antibiotics
Salmonella Choleraesuis is the only agent of swine paratyphoid
F
not the only , S. Typhimurium, S. Derby, other serovars
Salmonella Choleraesuis is an obligate pathogenic bacterium.
F
facultative pathogenic serotypes
In case of paratyphoid, the pigs on the farm must be culled/eradicated
T-A but I would have thought F bc dont see anything in notes to support this
Swine paratyphoid typically occurs in neonatal piglets, in the first week of life
F
2–5-month-old animals
Swine paratyphoid is a sporadic rare disease
F
Swine paratyphoid occurs in piglets between 2-5 weeks of age
F
2–5-month-old animals
Swine paratyphoid is caused by S. typhisuis
F
S. Choleraesuis, S. Typhimurium, S. Derby, other serovars
In the case of swine paratyphoid, enteritis can be seen in the small intestines
T
Hyperemic enlargement of the spleen is typical in the case of swine paratyphoid
F-A
Swine paratyphoid most often occurs in 2-5 months old piglet
T
Inactivated vaccines can be used in the prevention of swine paratyphoid
T
vaccines
* vaccination around weaning 2*
* inactivated, attenuated
* relative protection
Cyanosis can be seen in swine paratyphoid
T
- fever (42 C),
- anorexia, depression
* cyanosis - diarrhoea (yellow, watery)
In swine paratyphoid lesions are seen in SI and LI
T- A file conflicting answers but in notes T
SI: gastroenteritis, necrosis of mm
LI: ulcer sometimes
In case of swine paratyphoid, it is easy to diagnose in the faeces
F
Cyanosis of lower parts of the body can be seen in swine paratyphoid.
T
Necrotic enterocolitis is a postmortem lesion of typhocolitis of swine
T
Pathology:
* large intestine
* necrotic enterocolitis, typhlitis
Typhocolitis of swine mainly occurs in growers and adults
T
mainly growers, finishing pigs
The lesions of typhlocolitis can be seen in the small intestines
F
large intestine
Watery diarrhea is a clinical sign of typhlocolitis of swine
T
Clinical signs:
* yellow, watery diarrhoea
* bloody diarrhoea
* sometimes mucous faeces
Salmonella typhimurium can cause typhlocolitis in swine
T
Antibiotic treatment can be used in the case of typhlocolitis of swine
T
Typhlocolitis of pigs are mainly caused by Salmonella Typhimurium
T
In the case of Typhlocolitis swine the agent can be isolated from the liver in large number
F
Swine typhlocolitis is a common disease with high mortality
F
morbidity 100%, mortality 4-5%
High fever is an important clinical sign in case of swine typhlocolitis
F
Clinical signs:
* yellow, watery diarrhoea
* bloody diarrhoea
* sometimes mucous faeces
In case of swine typhlocolitis are mostly seen in the large intestines
T
Swine typhlocolitis can be transmitted with birds and rodents
T