7226367
Description
Flashcards by Hannah Jordan, updated more than 1 year ago
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Created by Hannah Jordan
over 7 years ago
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| Question | Answer |
| What are the wild ancestors called? | -wild pig -banded pig |
| Why were pigs domesticated? | -food -they kept raiding the crops |
| List the positives/negatives of a Chinese pig: | +large litter size +excellent mothers, low baby mortality +very docile +no peck orders --small size --slow growth --increased body fat |
| List the positives/negatives of the european pig: | +very lean +rapid growth +very adaptable +good meat quality +large size --establish peck orders --increased disease susceptibly |
| The US is _______ in total swine production , the _____ exporter and the _____ leading importer of pork. | The US is the SECOND in total swine production, the LEADING exporter, and the THIRD leading importer of pork worldwide. |
| List the 3 auditions of a pig: | -grunt -bark -squeal |
| What is a grunt? | -low pitched nasal sound from the back of the throat -short duration |
| What is a bark? | -usually from a startled pig -low pitched sound from mouth -very short duration |
| What is a squeal? | -signifies excitement (could be good or bad) -high pitched sound |
| What does an elevated and curled tail mean? | -the pig is interacting with pleasant stimuli |
| What does a tail that is straight and pressed against the body mean? | -the pig is in distress (unless its sleeping) |
| What does it mean when the tail twitches? | the skin is irritated |
| When do gilts reach puberty? | between 170-190 days (6 months) |
| How long is the estrous cycle? | 21 days long |
| How long is the estrus? | 1-3 days |
| How often are females bred? Using what method? | -most females bred at least once a day of estrus -most use AI |
| How long is gestation? | 114 days (3 months, 3 weeks, 3 days) |
| How long do sows lactate? What's weird about this? | -16-21 days -milk actually limits growth after 10 days, but they are milked for ~3 weeks for the sow's sake |
| What should be given to piglet's after birth? | iron injections |
| Name the 6 events that happen during processing: | -iron injections -medication to prevent scours (diarrhea) -clip and dip umbilical cord with iodine solution (reduces hernias and navel infections) -dock tails: prevent biting -clip needle teeth: prevent damage to sow's underline -weigh pigs at birth |
| When do pigs exhibit estrus after birth? When are they rebred? | Sows normally exhibit estrus 4-7 days after weaning (3 weeks), then are rebred |
| How long do weaned piglets stay in the nursery? When do they leave? | -stay for 5-7 weeks -leave when 50-70 pounds |
| How long do piglets stay in finishing> | -finishing barn for 15-18 weeks -or until they reach market weight (240-280) |
| What is PRRS? | -porcine respiratory and reproductive syndrome -wipes out production -increase in late term abortions, early farrowing, mummified fetuses, stillborns -no treatment |
| What is PED? | -porcine epidemic diarrhea -piglets get severe cases of diarrhea shortly after birth and die -100% mortality -to treat, refeed mortalities to pregnant sows |
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