Weaner Pigs Flashcards
What is the legal minimum age for weaning piglets in the UK? What is the exception?
28d UNLESS in specific housing = 21d
What is the target for weaned/sow?
> 11.5
What is the target weaning weight at 28d?
> 7kg
What is the target for kg weaned/sow?
> 100kg/sow
What are the two main pathogens that cause GIT disease in weaners?
E. coli and salmonella
What are the Sx of enteric infection with E. coli or salmonella?
Watery scour 1wk post weaning
How is salmonella infection best controlled?
Through rodent control
How is E. coli infection best controlled?
Through improvements to hygiene, probiotic use and acidification of water
What other agents can cause GIT problems?
PCV2, rotavirus and TGE
What are the 5 main DDx for neurological disease in weaners?
Bacterial meningitis Oedema disease Water deprivation Middle ear disease Toxicities
When is bacterial meningitis most commonly seen in weaners?
2-4wk post weaning
What causes oedema disease and what is the pathology associated with it?
STEC E.coli
Oedema of the brain, momentum, peritoneum, GI mucosa
When is oedema disease seen in weaners?
Within 1 month post-weaning
How is oedema disease differentiated from bacterial meningitis?
Puffy eyes and swelling around the larynx
Why does water deprivation cause Sx of nervous disease?
Causes severe dehydration
What are the main Sx of middle ear disease?
A head tilt and head shaking
Which disease is middle ear disease clinically indistinguishable from?
Meningitis
Which 6 pathogens are involved in Porcine Respiratory Disease Complex?
PCV2 PRRS M. hyopneumoniae Hameophilus parasuis Actinobacillus pleuropneumonia Swine Influenza
What are the main Sx of respiratory disease in weaners?
Coughing, sneezing, pyrexia, conjunctivitis, dyspnoea, decreased appetite, mortality, loss of condition
What pathogen is progressive atrophic rhinitis associated with?
Pasturella multocida type D
What is PMWS?
Post-weaning multi systemic wasting syndrome
What causes PMWS?
PCV2
What does PMWS cause?
Generalised lymphadenopathy and immune suppression
What are the 4 main skin diseases seen in weaners?
Greasy Pig
Ear-tip necrosis
Sarcoptic mange
Ringworm
What causes Greasy Pig?
Staph. aureus
What causes ear-tip necrosis and when is it seen in weaners?
Staph. spp
Seen from 7-12wks
