ANS 1 Lecture Notes - Lecture 3: Cattle, Joseph Mccoy, Chisholm Trail
Document Summary
Two species of cattle used for meat production around the world. Bos taurus - european cattle: more calm, sedate. Both bos taurus and bos indicus come from the same origin - b. primigoras (auroch) Domestication occurred after split of two species. Libido - sex drive, pharaoh got strength and drive through domestication of cattle. English into new england (may flower) - 1620s: use for power, for work o. Joseph mccoy - for wild cattle to round them up and get them to chicago - Cows generally moving out of south to get on train to get them go towards chicago o o (slaughtering) Nonselective grazers: opposite of grazer = browser (goats) Central dogma: dna-> rna -> amino acids (20) -> proteins. Ruminants don"t have to worry about lysine requirements due to bacteria in stomach providing it. Cattle -> don"t worry about quality, but quantity. Nonseasonal - can be bred anytime of the year.
