Skin - subcut abscesses malignant edema & PNES | Quizlet

What form does subcutenanous abscesses take

Single or dissemineated purulnent subcut

What disease causes abscess on internal organs

Subcutaneous abscesses

Subcutaneous abscesses is a commensal of what tracts

Skin, respiratory, urogential & GIT

Predisposing factors of Subcutaneous abscesses

Mechanical trauma - umbilical cord, castration, rough surface

Immun disorders - PRRS & PCV2 (immunosupression diseases)

What disease does Trueperella pyogenes cause

Subcutaneous abscesses

etiological agent of Subcutaneous abscesses

Tureperella pyogenes

What is the major virulence marker of Trueperella pyogenes

Toxin - pyolizine

What action does the toxin of Subcutaneous abscesses have

Pyolizine - cytolytic, hemolytic, dermonecrotic

Source & route of infection of Subcutaneous abscesses

Infected pigs & environment

Damage skin

Name skin disease that can survive intracellular in macrophages

Swine pox, greasy pig & Subcutaneous abscesses

How does bacterimia occur in Subcutaneous abscesses

I occurs as the pus cannot escape the thick capsule on abscesses so it enters the lymph causes metastatic abscesses

pathogenesis of Subcutaneous abscesses

Adheres to the cell, penetrates macrophages

Has Ca++ dependent proteolytic activity - damages the immune system

Causes subcutaneous, intramuscular & internal abscesses

Where an abscesses be found in Subcutaneous abscesses

Subcutenous, intramuscular, internal organs

Abscess in subcut, intramuscular & on internal organs indicate what?

Subcutaneous abscesses

What age does Subcutaneous abscesses effect

Sows & fattening pigs

name a primary bacterial disease that effects sows & fatteners

Subcutaneous abscesses

In sows there is inflammation & degeneration of the mammary glands, what disease does it have

Subcutaneous abscesses

Name clincial signs of Subcutaneous abscesses

Sows - inflammation & degneration of mammary gland

Subcut, intramuscular & internal organ abcesses

Abcesses with thick fibrous capsules & greyscale pus

Disease of limbs - hot painful, swelling of coronary band

Itch & hairless

necropsy shows abcesses in different locations & enlarged lymph nodes what disease is this

Subcutaneous abscesses

What material is used for diagnosis of Subcutaneous abscesses

Abcesses swab, wound, mucus, joint fluid, milked, blood internal organs

What are the method of diagnosis of Subcutaneous abscesses

Bacteriology & PCR

Treatment of Subcutaneous abscesses

Chloramphenicol, thiamphenicol, florenphenicol, benyzlpenicliin, ampicillin

What is the treatment for large abcesses of Subcutaneous abscesses

Surgery - but dont Carry out in pig house

What type of vaccination is used for chronic Subcutaneous abscesses

Autovaccine

Itching, hair loss, with sore hot limbs, & greyscale pussy abcesses is a sign of what

Subcutaneous abscesses

What disease pathogenesis include ca++ dependent proteolytic action on immune system

Subcutaneous abscesses

PPRS & PVCS is a predisposing factor of what skin disease

Subcutaneous abscesses

PCV2 is a predisposing factor of what skin diseases

Subcutaneous abscesses & greasy pig

Umbilical cord & castration can lead to what type of infections

Streptococcus suis, staphylocccus hyicus, Trueperella pyogenes

Is Subcutaneous abscesses uqibitous

No

Chloramphenicol & thiaemphenical is useful for what skin disease

Subcutaneous abscesses

What is etiological agent of malignant edema

Clostridium septicum

What ages does it effect

All ages - fall of fatteners & sows

Name skin diseases that effect fatteners & sows

Malignant edema & Subcutaneous abscesses

What is the main virulence of malignant edema

Production of exotoxins poisoning & severe edema on neck

what type of toxin is responsible for malignant edema & what acivity does it have

Exotoxin - necrotic, enzymatic, haemolytic activities

Exotoxin poisoning occurs with what disease & bacteria

Malignant edema - clostridium septicum

Pathogenesis of malignant edema

States at site of infection anaerobic condition - produce toxins

Multiplies & intensifies - toxins may enter the blood stream & cause secondary foci on other tissues & organs

There is painful swelling cracking edema & reddish blue darkening of skin what is it?

Malignant edema

What is characteristic to malignant edema at the side of infection

Strong holding bristle on swelling

strong holding bristles on swelling is characteristics of

Malignant edema

What is characteristic of necropsy of malignant edema

Flatulence, edema in subcut of mandibular, muscle & serous membrane

Swollen muscle black dry swelling amber fluid

Spongy gas bubble in organs

Diagnosis of malignant s edema

Necropsy & lab exam

Control methods of malignant edema

Protect wounds, remove dead animals & clean pens

Is there specific prophylaxis of malignant edema

No

What is the treatment of malignant edema

There is none effective - only when implemented early

What skin disease requires sanitary slaughter

Malignant edema

Diseases has edema of mandible, swollen dry smelly black muscles & amber fluid

Malignant edema

Amber fluid is characteristic of

Malignant edema

What does PNES stand for

Porcine necrotic ear syndrome

What age does PNES effect

All ages

Name a chronic skin infection

PNES

What form does PNES normally take

chronic

What is the etiolgical agent of PNES

Mycoplasma haemosuis

Methods of transmission of PNES

Horizontal - direct & indirect

Vertical - pregnant sows

What are predisposing factors to PNES

Nutritional def - lysine, vit D and E

Excess phytase - reduces zinc absorption

Bed environmental conditions

Immunosuppressive agent - PVC2, PRRS, mycotoxin

Deficiency of vitmaine D & E can cause what skin disease

PNES

Excess pytase runs the risk of what?

PNES

PVC2 & PRRS are predisposing factors of what skin disease

Subcutenous abcesses & PNES

What is the pathogenesis of PNES

Where to membrane of RBC causing them to be deformed

They are recognized as abnormal by the spleen & removed from circulation

Loss in RBC cause anemia & bilirubinemia = jaundice

Autoimmune reaction to RBC = immune compromised

Clogs peripheral arteries of ears & tail = local necorsis

Subsequent infection of strep & staph

Which disease has the following symptoms Anemia, jaundice & splenomegaly

PNES - mycoplasma heamosuis (not leptospirosis)

Clinical signs of PNES

Anemia, jaundice, splenomegaly, cyanosis of ear

What is characteristic of necropsy in PNES

Anemia - planes, jaundice, spleen enlargement & watery blood

Watery blood can be seen in

PNES

Diagnosis methods of PNES

Clincial symptoms

Lab - blood smear, PCR, serolgoy

What bacteria is detected by blood smear

Mycoplasma haemosuis - PNES

Control of PNES

General - stimulate herd resistance, proper nutrient & magament

Specific - none but anti-circovirus works well

What is the specific prophylaxis of PNES

NONE - but anti-circovirus works well

Treatment of PNES

Oxytetrcycline & iron injection