Department of Education

Animal Ethics

Animal Ethics

Pigs


Varietal range difference

The most common breeds are:

  • Large White
  • Landrace
  • Hampshire
  • Duroc
  • Berkshire
  • Large Black
  • Wessex Saddleback.

Physical characteristics

Size medium-sized farm animal; varieties such as Australian Companion Pigs are half the size of normal pigs
Weight adult weight 100kg
Age at adult size 12-14 months
Life span approximately 15 years
Sexually mature gilts may be mated from 9 monthsif well developed
Weight at birth 1kg - 2kg
Gestation period 112-115 days
Number of offspring average litter 8-15 piglets (can be up to 20)
Weaning age 4-6 weeks
Body temperature 39°C (+/- 0.5°C)
Heart rate 70 beats/minute (range 60-75)
Respiration rate 20-50 breaths/minute
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Pigs
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