ANSC 101 Lecture Notes - Lecture 4: Castration, Gilt-Edged Securities, Weaning
10 Nov 2016
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Document Summary
Holding steady over the last 5 years @ 1. 25b pigs per year. Production dominated by china, eu, and the usa. Usa imports dramatically more pigs than the rest of the world combined. Usa produces over 11. 3m tons and exports over 2. 3m tons of pork per year. High swine production in nc, usa because railways can easily go from there to all of the northeast metropolitan areas and corn can easily come in from the midwest for food. Sows mature female pigs that have already had a litter of piglets. Gilts female pigs that have not yet had a litter. Boars mature and intact male pigs. Weaning/nursery pigs removed from the sow (6-25kg) Finishing (from ~70kg to market: market weight: used to be around 100kg; now at least 130kg. Farrow-to-finish breed, farrow, wean, and raise pigs to market weight. Farrow breed, farrow, wean and sell weaned pigs. Finisher purchases weaned pigs and brings them to market weight.
