Pigs Flashcards
Natural farrowing
Solitary return to group in 10 days
Natural social structure
Mother &a offspring (2-6 adult) Solitary male Large range Seasonal Litter 6ish up to 10
Number of sow services
2/3 in one heat cycle
When do piglet mutulations occur
Weaning
Allowed mutilations
Castration
Tooth clipping
Tail docking
Marking (eg ear notching, tattooing, tagging, micro chip
Tail docking
Half removed First days of life Prevent later tail biting Banned routine practice Ask vet permission
Castration
Testis surgically removed Rare Immunocastration possible Not always w/ anaesthetic, analgesia most EU req it now though
IDing
Alternatives to ear notching available
Teeth clipping/grinding
Reduce sharpness
Soon after birth
Prevent udder damage and littermate injury
Effects of mutulations
Pain
Infection risk
Natural weaning age
17wk
Industry weaning age
4wk
Why do some wean earlier
More litters from the sow per year
Post weaning problems
Growth
Behavioural vices
Gut disorders
Thermal problems
Problems of social mixing
Aggression causes stress - may be a genetic side to aggression post mixing.
Welfare, growth and disease risk impeded