ANSC 250, Week 1Notes
ANSC 250, Week 1Notes ANSC 250
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This 2 page Class Notes was uploaded by Alice Trellakis on Friday August 5, 2016. The Class Notes belongs to ANSC 250 at University of Illinois at Urbana-Champaign taught by Albert, S in Fall 2016. Since its upload, it has received 9 views.
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Date Created: 08/05/16
ANSC *first reflective post due Monday via Compass What is a companion animal? o Provide company to humans, kept for pleasure rather than utility, receives personal attention, main benefits are non-commercial, “pets” o Additional roles: Guarding/Protection, Search/Rescue, Racing, Hunting, etc. Human-Animal Bong o Mutually beneficial and dynamic relationship b/w people & animals that’s influenced by behaviors that are essential to the health/well-being of both Benefits: Reduce stress, promotes healthier lifestyles, increases social interaction, self-esteem, etc. Domestication & Social History of Companion Animals o Domestication (Refers to a population of animals where traits are passed to offspring and changes in physical and behavioral traits) o Guns Germs & Steel by Jarod Diamond Flexible Diet Reasonably fast growth rate Ability to be bred in captivity (Increased reproduction) Pleasant disposition Even temperament Modifiable social hierarchy We also often see physical variability (size, color, etc) o NOT TAMING Refers to an individual animal Retention of wild characteristics Traits are not passed on to offspring o Finding one animal and managing to tame it doesn’t mean “tameness” in its genes o “Functional Domestication” (Morphological changes) When and Where – Dogs o Believed to come around 16,000 years ago o Where is highly debated and currently unknown o How: Human Mediated Domestication Clutton-Brock “Wolves as resources for food/fur, pups are a travel snack” Taking in orphaned wolf puppies, keeping the most tame, culling those too aggressive to handle Self Domestication Dogs domesticated themselves Most naturally tame wolves scavenged close to human settlements and got more food -> became more fit/likely to successfully reproduce Natural selection creates the domesticated dog o Tameness vs. Domestication Raising Wolf Puppies= Taming Silver Fox Experiment = Domestication o Origin of Variability Pariah or Village dogs First purebred was the Saluki (5-6,000 ya) Selective Breeding (intentionally choosing wanted traits) Pre 1800s used purely for function Early 1800s concern with form Post WWII became family dog (“American Dream”) and increased demand for purebred Today very selective breeding with Kennel Clubs o Kennel Clubs were founded in 1873 in the UK for dog breeders (ie. American Kennel Club, Cat Fancier’s Association) o Issues with breed standards and inbreeding (182 commonly known inbred diseases) When and Where – Cats o Emerged 8,000 years ago from the Fertile Crescent to catch mice o Origin of Variability – mostly relied on different coat colors, fur length Ancient Egypt first domesticated for respected religious rituals Middle Ages changed the perception of cats to be connected to witchcraft, the devil to be killed o Majority today are called domestic short, medium, and longhaired cats (mutts) o
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