Lecture 4

Question 1

List the 5 classes of behavioural problems

Answer 1

5 classes of behavioural problems
behaviours indicative of difficulty adapting to environmental challenge;
-problems with movement; lameness due to track conditions
-Behaviour associated with lack of resource; dog sitting in done by sows because of confinement
-behaviour associated with lack of social or sexual partner, situation may induce stereotypes and abnormal sexual and maternal behaviour
-frustration of behavioural output; outbreaks of aggression and tail biting in pigs may occur when automatic systems fail
-lack of stimulation and overstimulation; like wool abetting and may lead to aggression

Question 2

Discuss movement prevention

Answer 2

Movement prevention
if animals are prevented from showing certain behaviours, they may change their movements
-stereotypes
-partial normal behaviour (excessive grooming)

Question 3

Discuss motivation

Answer 3

Motivation;
animals perform normal behaviours to satisfy motivations
-appetitive
consummatory

Question 4

Explain the chicken pecking example of redirected behaviour

Answer 4

Examples of redirected behaviour;
feather pecking in poultry
chickens will peck the feathers and skins of other bird,
this will redirect dust bathing behaviour and redirect foraging behaviour

Question 5

List the 3 types of development of stereotypes

Answer 5

Development of stereotypes

• they may develop due to a strong motivation and the environment does let the animal switch off the motivation of the behaviour
• there can be -ve feedback which increases the behaviour
• if the stimulus is rewarded this will increase the behaviour causing a stereotype