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Introduction to Swine Production. Objectives Know the purposes of pigs Know the purposes of pigs How...
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Transcript of Introduction to Swine Production. Objectives Know the purposes of pigs Know the purposes of pigs How...
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Introduction to Swine Introduction to Swine ProductionProduction
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ObjectivesObjectives
Know the purposes of pigsKnow the purposes of pigs How to differentiate breedsHow to differentiate breeds Learn the swine production cycleLearn the swine production cycle Be able to name major Be able to name major
diseases/issues facing the swine diseases/issues facing the swine industry todayindustry today
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The BasicsThe Basics
Scientific NameScientific Name Sus domesticusSus domesticus PorcinePorcine
ClassificationsClassifications BoarBoar Sow Sow GiltGilt BarrowBarrow
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More of the BasicsMore of the Basics
Major producers worldwideMajor producers worldwide China, US, Brazil, GermanyChina, US, Brazil, Germany
61.2 million hogs in the United States 61.2 million hogs in the United States as of Dec. 05as of Dec. 05 IA has the most with 14.4 million hogsIA has the most with 14.4 million hogs NC, MN, IL, MO, OKNC, MN, IL, MO, OK
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PurposePurpose•31.2 lbs per capita in the US in 2001
•1.87 billion pounds in Jan 06 alone
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What make a good carcass?What make a good carcass?
TrimnessTrimness
MusclingMuscling
QualityQuality
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Breeds of HogsBreeds of Hogs
White vs. dark breedsWhite vs. dark breeds
Maternal vs. Terminal breedsMaternal vs. Terminal breeds
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Breed IdentifiersBreed Identifiers
ColorColor Watch for “points”Watch for “points”
HeadHead EarsEars
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Stages of ProductionStages of Production
BreedingBreeding GestationGestation FarrowingFarrowing WeaningWeaning Feeder/Market HogFeeder/Market Hog
oror ReplacementReplacement Picture from Comfortable Quarters for pigs
in Research Institutions
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Breeding SeasonBreeding Season
May occur at any time of the yearMay occur at any time of the year Natural vs. AINatural vs. AI
More common method? More common method? Estrous CycleEstrous Cycle
21 days21 days
Pictures from: www.angrin.tlri.gov.tw and ukagriculture.com
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Breeding ManagementBreeding Management
FlushingFlushing Feeding the sows/gilts more before Feeding the sows/gilts more before
breeding to increase the number of eggs breeding to increase the number of eggs ovulatedovulated
Estrus SynchronizationEstrus Synchronization Giving hormones to induce estrusGiving hormones to induce estrus
Heat DetectionHeat Detection Very important!!!!!Very important!!!!! What are some signs of heat?What are some signs of heat?
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GestationGestation
112-115 days ( 3 mo, 3 wks, 3 days)112-115 days ( 3 mo, 3 wks, 3 days)
Feed sow/gilts enough to Feed sow/gilts enough to
maintain weight and BFmaintain weight and BF
(4-5#/day 1 & 2 trimester(4-5#/day 1 & 2 trimester
5-7#/day 35-7#/day 3rdrd trimester) trimester)
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FarrowingFarrowing
Farrowing cratesFarrowing crates Litter size ~ 8-15 pigletsLitter size ~ 8-15 piglets Birth Weight ~ 2-3 lbsBirth Weight ~ 2-3 lbs Grafting may be doneGrafting may be done
if necessaryif necessary Sows will need to beSows will need to be
fed more ~ 14-20#fed more ~ 14-20#
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Newborn ProcessingNewborn Processing
IdentificationIdentification Ear notchesEar notches
Clip needle teethClip needle teeth Dock tailDock tail Give shotsGive shots
IronIron
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WeaningWeaning
SEW SystemSEW System Segregated Early Segregated Early
WeaningWeaning Wean pigs less than Wean pigs less than
21 days old21 days old Why?Why?
They will usually be They will usually be moved to a nursery moved to a nursery
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Feeder/Market HogsFeeder/Market Hogs
Feeder pigFeeder pig Weight ~ 50 lbsWeight ~ 50 lbs
Market hogMarket hog Weight ~ 250 lbsWeight ~ 250 lbs
Not a seasonal marketNot a seasonal market
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Replacement GiltsReplacement Gilts
Breed gilts at 5-6 Breed gilts at 5-6 mo of agemo of age
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Other Management Other Management PracticesPractices
VaccinationsVaccinations BiosecurityBiosecurity
All-in-all-outAll-in-all-out
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Issues in the Swine IndustryIssues in the Swine Industry
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DiseaseDisease PRRS (porcine PRRS (porcine
reproductive and reproductive and respiratory syndrome)respiratory syndrome) Causes abortions, Causes abortions,
mummified fetuses, mummified fetuses, stillbornsstillborns
No treatment but can No treatment but can vaccinatevaccinate
Can cause major losses Can cause major losses in herd population and in herd population and in incomein income
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Manure ManagementManure Management
Will always be a Will always be a big problem for big problem for hog producershog producers
Causes problems Causes problems with neighborswith neighbors
No real fix for this No real fix for this problemproblem
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Animal Right LawsAnimal Right Laws
Laws may be passed regulatingLaws may be passed regulating Gestation stallsGestation stalls Farrowing cratesFarrowing crates Vertical integrationVertical integration Etc.Etc.
These things will alter the way that These things will alter the way that we produce hogs and will have a we produce hogs and will have a significant affectsignificant affect