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Disease and welfare problems associated with group housing

Abortion

  • Inadequate access to food
  • Lack of bedding
  • Lack of boar contact
  • Low feed
  • Low temperatures
  • Poor body condition
  • Reduced daylight length
  • Stress
  • Wet bedding

Abscess

  • Fighting
  • Trauma

Aggression

  • Adding new sows
  • High stocking density
  • Mixing

Anaemia

  • Gastric ulceration
  • Haemorrhage - vulva
  • Trauma

Arthritis

  • Environmental trauma
  • Damage at oestrus
  • Leg weakness (OCD)

Bursitis

  • Shortage of bedding
  • Trauma

Bush foot

  • Trauma due to poor concrete surfaces

Erysipelas

  • Dirty bedding
  • Ease of spread from clinically ill animals
  • Stress

Foot rot

  • Dirty wet bedding
  • Poor management

Fractures

  • Leg weakness
  • Slippery floors
  • Trauma

Haematoma

  • Fighting

Hygroma

  • Trauma

Infertility

  • Stress induced embryo losses

Leg weakness (OCD)

  • Poor floor surfaces
  • Trauma

Mastitis

  • Permanently bedded yards
  • Poor hygiene

Internal parasites

  • Access to faeces
  • Wet dirty areas

Prolapse rectum or vagina

  • Abdominal pressure
  • Nutrition

Thin sow syndrome

  • Bullying
  • External and internal parasites
  • Poor environment
  • Variable feed intake

Vulva biting

  • Feeding methods
  • Pen design
  • Stocking density