Basic Animal Behavior

Basic Animal Behavior - Ba sic Anima l Be ha vior A n im a...

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10/2/13 Basic Animal Behavior animalscience2.ucdavis.edu/ans1/handouts/behavior.html 1/2 Animal Behavior, Animal Rights and Animal Welfare 1) Basics of Animal Behavior a) Behavior - a response to changes (stimuli) in the internal or external environment of an animal; not all animals act the same to a given stimulus (variation in behavior), same animal may respond differently to the same stimulus over time (habituation or learning) b) Genes vs Environment - genes affect construction of sense organs, nervous system; environment impacts through learning, imprinting. c) Types of Behavior Social Behavior - among animals in groups social behavior is centered around communication: Visual, based on body posture (crouch of a courting hen, immobility of a cow in estrus, head down agonistic behavior), tail raising, hair raising, look away; Auditory, call of mother to young, grunt of boar to estrus sows; Olfactory, signals of territoriality, reproductive status, parent-progeny, rams initiate cycling in ewes Reproductive Behavior - economically important, mating systems based on monogamy (catfish pair bonding), polygamy (harems in wild horse), promiscuous (pasture mating of cattle); Libido - sexual drive for mating, teasing is a part of pre-coital stimulation in bulls to increase fertility and sperm concentration; Pre-Mating behaviors - advertise sex, receptivity: more elaborate in fowl with 'waltz' & wing flutter of the cock, crouch of the hen,
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Basic Animal Behavior - Ba sic Anima l Be ha vior A n im a...

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