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4. 'Fat as a pig’
Answer : T & F!
Pigs have a reputation for being fat, however, they are naturally lean, unless they are overfed by humans. So it is partially true.
II. Social behavior (cont’d)
2.2 competition and aggression
2.3 Injuries and mutilations
- Damage to the body: regrouping
- Tail- and ear-biting,
Setting conditioned reflex for sounds
1) Nursing:Sow calls with low grunts. 2) Ordinary management: feeding, eliminating,etc.
Pigs heard the sound and are waiting for their dinner.
V. Sensory Characteristics
sensative
taste
Delicate
Acute
smell
audition
Poor vision
- Smell is by far the most advanced of the pig's senses - may also impact on what pigs find palatable. • Use olfaction (嗅觉) to identify each other in the group • Boar presence causes earlier onset of puberty • Identify the estrous female to be mated