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Animal Behavior - PowerPoint PPT Presentation


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Animal Behavior. What is Behavior?. Webster’s Definition Conduct or Action The individual and group actions which take place in animals in order to allow them to live and function in their environment. Animal Behaviors. Environmental Comfort Social Behavior Mating behavior Nest building

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what is behavior
What is Behavior?
  • Webster’s Definition
    • Conduct or Action
  • The individual and group actions which take place in animals in order to allow them to live and function in their environment.
animal behaviors
Animal Behaviors
  • Environmental Comfort
  • Social Behavior
  • Mating behavior
  • Nest building
  • Post-partum behavior
environmental comfort
Environmental Comfort
  • Environment is too cold
    • huddling
    • piling up
  • Environment is too hot
    • cattle & sheep seek shady areas for rest & rumination
    • Pigs seek wet areas
      • Why?
environmental comfort1
Environmental Comfort
  • Examples of discomfort behavior?
    • Tail biting & ear chewing (swine)
    • feather picking & cannibalism (poultry)
social behavior
Social Behavior
  • Male animals of all species fight when they meet other unfamiliar males
  • Cows, sows, & mares develop a pecking order, but fight less intensely
    • Ewes seldom fight
social behavior cows
Social Behavior - Cows
  • Social order in cow herds are influenced by:
    • Age
    • Size
    • Strength
    • Presence of horns
    • Previous experience
social behavior pigs
Social Behavior - Pigs
  • Develop a social order at birth
  • Closely confined pigs in pens of greater than 30 head per pen have some difficulty establishing social order
social behavior poultry
Social Behavior - Poultry
  • Pecking order found in:
    • Feeding
    • Nesting
    • Roosting
  • Low status individuals often:
    • get less feed
    • appear nervous & frightened
    • feed early in the morning & later at dusk while dominant birds roost
mating behavior threat displays
Mating Behavior - Threat Displays
  • Bulls
    • Arching of the neck
    • Protrusion of the eyeballs
    • Erection of the hair along the back
    • Pawing the ground
    • Turning of the shoulder toward the threatened individual
mating behavior threat displays1
Mating Behavior - Threat Displays
  • Stallions
    • Rearing on the hind legs
    • Laying back the ears
  • Rams
    • Vigorous stamping of the forefoot
nest building sows
Nest Building - Sows
  • Three days before labor most of the time is spent sleeping & feeding
  • As labor draws near:
    • Attempt to clean & dry the nesting site
    • Chew long grass or straw to provide bedding
    • Use forelegs to build nest by pawing
    • Resist any human attempt to move her bedding
  • The amount of nesting time varies with the individual
post partum behavior
Post-Partum Behavior
  • Mares
    • Following birth mare will lay exhausted for 20-30 minutes
    • Do not eat the afterbirth, but will groom their foals
post partum behavior1
Post-Partum Behavior
  • Cows
    • Will lick the uterine discharge from herself
    • Will rest for a period of time & then lick the fetal membranes & fluids from her calf
    • Usually will eat the placenta & sometimes any bedding that is contaminated by fetal & placental fluids
post partum behavior2
Post-Partum Behavior
  • Ewes
    • Chews & eats parts of the fetal membranes, but do not consume the entire afterbirth
    • Recognition of both ewe & lamb is very important
      • Often will reject their young if they are taken away immediately after birth & returned later