Behavior of Domestic Animals--Communication.docx

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Stockbridge Sch of Agriculture
George Howe

BASICS 1. Learning to understand messages the animal is sending a) most important part of behavioral diagnosis b) animal husbandry and veterinary medicine 2. Animal handlers prevent injuries if they can interpret animal’s messages 3. Animals communicate by auditory, visual, and olfactory signals _______________________________________________________________________ _ PERCEPTION 1. Vision a) with exception of dogs and cats, sensory abilities of domestic animals have not been studied in depth b) dogs, cats, and humans have well developed cones system (sharp color vision) c) feral free ranging cats are hypermetropic (distant vision) vs. domestic caged cats myopic (near vision) d) visual acuity (sharp vision) is the best in pigs, then sheep, cattle, dogs, horses e) dogs recognize shades of violet, blue, yellow f) ruminants (cows, sheep) recognize shades of yellow, orange, red g) eye placement (monocular vs. binocular vision) 2. Audition a) dogs and cats have more acute hearing than humans b) cats have 40,000 cochlear fibers vs. humans with 30,000 c) dogs, cats, sheep perceive higher sound frequencies than humans 3. Olfaction a) odors persist for minutes to days after sender is gone
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