Failureofpigletstoachieveanadequateintakeofcolostrumistheunderlyingcausefor
the majorityofpigletdeathsoccurringwithinthefirstdaysofpost-natallife.Fromthe
mostrecentfindings,itcanbeestimatedthat200gofcolostrumperpigletduringthe
first 24hafterbirthistheminimumconsumptiontosignificantlyreducetheriskof
mortalitybeforeweaning,providepassiveimmunityandallowaslightweightgain.A
consumptionof250gcouldberecommendedtoachievegoodhealthandpre-andpost-
weaninggrowth.Onthisbasis,atleastone-thirdofsowsdonotproduceenough
colostrumtofulfiltheneedsoftheirlitter.Variouswaystoincreasecolostrumintakeby
pigletsmustbeconsidered,suchasincreasingtheabilityofpigletstosuckle,reducing
within-littervariationinbirthweight,andincreasingthequantityofcolostrumthat
sows produce.Researchonsownutritionduringgestationhasledtopromisingresults,
especiallyonpigletvitalityatbirthandontheacquisitionofpassiveimmunity.
Approachesfocusingonnutritionorgeneticselectionarealsoexpectedtoincrease
litter uniformityatbirth.Finally,itisevidentthatwaystoincreasesowcolostrum
productionneedtoreceivefurtherattention.Oneareawhichhasbeenneglectedbut
which warrantsmoreresearchisthepotentialimpactofmammarydevelopmenton
colostrumyield.Focusinthefutureshouldbegivenontheimpactsofsowhormonal
status andnutritionduringtheprepuberalperiodandduringthelastdaysofpregnancy
on theproductionofcolostrumbysows.
failureofpigletstoachieveanadequateintakeofcolostrumistheunderlyingcausefor
natallife majorityofpigletdeathsoccurringwithinthefirstdaysofpost . จาก mostrecentfindings itcanbeestimatedthat200gofcolostrumperpigletduringthe
mortalitybeforeweaning 24hafterbirthistheminimumconsumptiontosignificantlyreducetheriskof , แรก ,
providepassiveimmunityandallowaslightweightgain .consumptionof250gcouldberecommendedtoachievegoodhealthandpre andpost -
weaninggrowth . onthisbasis atleastone , thirdofsowsdonotproduceenough
pigletsmustbeconsidered suchasincreasingtheabilityofpigletstosuckle colostrumtofulfiltheneedsoftheirlitter . variouswaystoincreasecolostrumintakeby , ลด littervariationinbirthweight andincreasingthequantityofcolostrumthat
ภายใน , สุกรที่ผลิตresearchonsownutritionduringgestationhasledtopromisingresults especiallyonpigletvitalityatbirthandontheacquisitionofpassiveimmunity approachesfocusingonnutritionorgeneticselectionarealsoexpectedtoincrease
, .
แคร่ uniformityatbirth สุดท้าย itisevidentthatwaystoincreasesowcolostrum oneareawhichhasbeenneglectedbut
productionneedtoreceivefurtherattention .ซึ่ง warrantsmoreresearchisthepotentialimpactofmammarydevelopmenton
colostrumyield . focusinthefutureshouldbegivenontheimpactsofsowhormonal
ในสถานะ andnutritionduringtheprepuberalperiodandduringthelastdaysofpregnancy theproductionofcolostrumbysows .
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