Welfare and disease issues in outdoor systems
Abortion
- Cold wet conditions
- Draughts
- Feed intake
- Heat stress
- Parasites
- Poor nutrition
- Season
- Sunlight
Agalactia
- Faulty nutrition
- Frozen or inadequate water supplies
Clostridial infections
- No vaccination
Erysipelas
- Exposure to the organism and failure to vaccinate
Infertility
- Fighting
- Hot weather
- Lack of adequate wallows
- Lame boars
- Overuse of boars (especially young ones)
- Shortage of shade
- Trauma to the boar's penis
Haemorrhage from the penis
- Associated with the sandy soils
Lameness
- Bad feet
- Flint land
- Mycoplasma
- Leg weakness (OCD)
- Wet land
Leptospirosis
- Associated with the constant exposure of sows to
- contaminated wallows or water
- Exposure to rodents
Loss of body condition
- Associated with the leaner genotype that is used
- as a terminal sire
- Inadequate feed
- Poor feed presentation
- Poor parasite control
Mortality (piglets)
- Bad management
- Cannibalism
- Crows
- Foxes
- Poor bedding
- Poor environment
- Sloping floors
Parasites
- Continual exposure to eggs and larvae particularly the stomach, nodular and lung worms
- No worming programme
- Old pastures
Sunburn
- Lack of shelter
- No wallows
- White breeds