AS 324 1st Edition Lecture 13Outline of Last Lecture I. BrucellosisII. PseudorabiesIII. ParvoIV. Eryseplas V. LeptospirosisVI. MMAVII. ColibaccilosisOutline of Current Lecture I. Review for MidtermCurrent Lecture- No t/f, no MC- Fill in the blanks- 11 weeks from birth to market (tops) in broilers- Reproduction (pigs)o AIo Boar: fertility is most important trait  They are aggressive- Nutritiono Protein: most valuable (do not overfeed)o Feed well and it will prevent disease- Marketing o If you can’t sell it, why do it- Birth in pigso Looks for 3 poundso Cause of death #1 Crushing #2 Starvation - Scours (from E. Coli)- Competitiono Born Iron shot (born anemic) Ear notch for identificationThese notes represent a detailed interpretation of the professor’s lecture. GradeBuddy is best used as a supplement to your own notes, not as a substitute. Cut and dip umbilical cord in iodine  Remove needle teeth Clip tail to prevent secondary infection Castrate males to prevent boar taint- Gilt: before having babies- Sow: after having babies- Can save 1 baby pig per litter if you are present & mom lets you o (Breach birth)- 10 pigs/litter- Good momo Feeding littero Paying attentiono Not being aggressive- Characteristics of a market pig: o Leano Muscularo Long (more loin)- Characteristics of broilero Fast growtho Lots of muscle o Feed efficient- Vaccinate pigs for…o Parvoo Leptospirosiso Erysepilas (Diamond Skin Disease) Good vaccine (high efficacy: how affective it is) o NOT FOR Rabies B/c of high fat layer Rabies does not survive in fat- Characteristics of laying hen (2 year lifespan)o Feed efficiento Lots of large eggso Small birds- 75% drive into molt: 50% production after molt: cull- Chalazae: holds the yolk in the middle of the egg- Shell is porous (2 membranes (inner & outer))o They prevent disease- What to test pigs for…o Brucellosis Its zoonotic (pigshumans) Abortions in both pigs & humans Feral pig population in USAo Pseudorabies Virus (not zoonotic) Baby pigs 1 day old will die Adult can make it all the way to market If survive the pig will have a slow growth rate and feed efficiency will decrease Can depopulate herd- Proventriculus buffer before into intestineso Chickens true stomacho Has HCl- Gizzard: o Mixes and grinds food up- Crop: chickens lunch box- Chickens are omnivores- Absorption in small intestine (Ceca)o Find Coccidiosis- Sperm enters egg in infundibulum- Germicidal disk: site of fertilization- Vitalin membrane (around yolk)- How long to produce an egg?o 24 hourso 1 egg a day (may have 2 yolks though)o Can have twins but will not reach maturity b/c not enough room in egg for 2- Pigs are very susceptible to electricity (stun them)o Kill by severing jugular