March 12 Flashcards
1
Q
Lying surface may affect welfare when…
A
- Too hard
- Too wet
- Too soiled with manure and urine
- Too warm or too cold
2
Q
What is the ideal test to determine animal comfort?
A
Preference test
3
Q
Best methods of environmental enrichment for pigs
A
- Straw
- Corn silage
- Bark chips, branches
4
Q
Benefits of straw for pigs
A
- Reduce aggressive behaviour
- Reduce tail biting
- Reduce oesophago-gastric ulcers
5
Q
Benefits of mirror enrichment
A
- Reduce incidence of stereotypies
- Reduce anxiety during transport
(increased eating, reduced vocalising)
6
Q
Reasons to restrict food/milk
A
To limit weight gain in breeding stock
- Pregnant sows
- Broiler breeders
- Turkey breeders
OR stimulate ingestion of solid feed (in dairy calves)
7
Q
Consequences of feed restriction in sows
A
- High feeding motivation
- Higher water uptake
- Higher heart rate at feeding time
- Development of abnormal oral behaviours
8
Q
‘Gastric discomfort hypothesis’
A
- High concentrate/low fibre diets increase gastrointestinal acidity
- Fasting periods increase acidity and may cause gastric lesions
9
Q
Consequences of feed restriction in broiler breeders
A
- High feeding motivation
- Higher water intake
- Higher plasma corticosterone
- Higher heterophil: lymphocyte radio
- Higher levels of abnormal behaviours, activity and aggression
