AVS 324 Lecture Notes - Leptospirosis, Pseudorabies, Digestion
Document Summary
Gilt: female who hasn t farrowed (given birth) yet. Cryptorchid: viable breeding animal (not just pigs) with one testicle not. Pathogen: any living thing that spreads disease (bacteria, virus, preon) Vector: animal that transmits a pathogen (feral swine are often vectors for swine diseases) Hybrid vigor: when crossing two breeds results in a crossbred with the best features of both breeds, often grow faster than a purebred descended, so not fully castrated. Feed conversion (lbs of food per lbs of gain) in pigs is 3. 5:1 (3. 5 lbs of feed will yield 1 lb of gain in the pig) Cut back on protein when pigs are getting bigger because it gets excreted and is expensive. Blood test for asf and csf will show that white blood cell counts are up. Appropriate vaccinations in usa (all come in one vaccine): Colibaccilosis: treat piglets that smell like sour milk immediately or they will die.