Swine Ortho Flashcards
What are the factors associated with lameness in swine?
Genetics
Nutrition
Management
Housing type
How does lameness in swine impact reproduction?
reduced litters per year
reduces number of pigs weaned/sow/year
Often occurs in 1st or 2nd parity
What are the clinical signs of Erysipelas (diamond skin disease)?
Sudden onset of acute disease
high fever
anorexia
Diamond skin lesions
Lameness
abortions
sudden death
Chronic= arthritis
What organisms are associated with Erysipelas?
Erysipelothrix rhusiopathiae
exposure to dirt
carrier animals
secondary to stressful event
What is the treatment for Erysipelas?
Antiserum
Cillins
Ceftiofur
Chronic= cull
What are the agents that cause suppurative arthritis & osteomyelitis?
Trupurella
Strep & staph
Brucella suis
E.coli
What is the treatment for suppurative arthritis & osteomyelitis?
Cull
What are the clinical signs associated with mycoplasmal polyserositis?
Stiff limbs
Respiratory: dyspnea, abdominal breathing
May recover then will become unthrifty
What agents cause mycoplasmal polyserositis?
M. hyorhinis (3-10 weeks of age)
M. hyosynoviae (8+ weeks of age)
aerosol/nasal contact or by mm in suckling pigs
What are the necropsy findings for pigs with mycoplasmal polyserositis?
Serofibrinous pleuritis
Pericarditis
Peritonitis
Synovial hypertrophy
increased synovial fluid
What are the clinical signs associated with Streptococcus suis?
starts with septicemia
then to arthritis, meningitis, pericarditis, endocarditis, polyserositis & pneumonia
CNS signs (paddling, tremors, blindness) along with lameness
What are the causative agents of streptococcus suis?
H. parasuis & actinobacillus suis
stressor causes flare up
live in the nose and tonsils of healthy pigs
sows can harbor in vagina
What are the treatments for streptococcus suis?
Ceftiofur
Penicillin
What are the clinical signs of Glasser’s Disease (infectious polyarthritis)?
Sudden fever
Dyspnea & harsh lung sounds
Very lame, stiff and short gait
Sudden death
What is the causative agent of Glasser’s disease?
Haemophilus parasuis
Recently chilled, transported
Sporadic
