ComfortClassofferseach110kggrowing–finishingpighousedat2.4m² with beddingin
groups of12premiumwelfaretomeettheirbehaviouralneeds.Conventionallyhoused,
growing–finishingpigsintheNetherlandsareallowed0.8m², basedon0.035BW0.667.
The extraspaceofferedwithComfortClassisamajorfinancialbarriertointroducethis
systeminpractice.Inordertoestablishwhetherornotwelfareandperformancecouldbe
maintainedwhilstreducingspaceallowance,a32 factorialtrialwasdesignedto
comparepigshousedat2.4m², 1.6m² or 1.2m² per piginpensof29and58m². Video
recordings,skinandtaillesions,lamenessscoresandperformancewerecollectedduring
three replicatesinvolving216pigseach.
Resultsindicatethatpigshousedat2.4,1.6or1.2m² per animalwouldbelyinginthe
kennelsfor62%,54%and48%ofthetime(Po0.001)respectivelyandpigshousedat
2.4 m² spentmoretimeeatingthanthosehousedat1.2m² (4.7% and4.4%ofthetime
respectively, Po0.05).Pigshousedinthesmallpensspentlesstimeinthekenneland
moretimerootingthanthoseinthelargepens(53.0%vs.55.8%inkennel, P¼0.046;1.78%vs.
1.22%rooting, Po0.001).Pigshousedinthesmallpenshadlesstaillesionsandthosehousedat
2.4and1.6m² tendedtohavelessskinlesionsontheirhindsthanthosehousedat1.2m² per
pig.Dailyweightgainwashigherinthesmallthanthelargepens(823vs.797g/d, P¼0.003)
and higherat2.4and1.6m² than1.2m² (827and817vs.786g/d, P¼0.002).
Overall,anincreaseingroupsizeandstockingdensitybothhadunfavourableeffectson
welfareandperformance,evenatthesehighspaceallowances.However,performancebenefits
fromhigherspaceallowancesdidnotcompensateforincreasesinhousingcosts.
ComfortClassofferseach110kggrowing – m ² finishingpighousedat2.4 กับ beddinginกลุ่ม of12premiumwelfaretomeettheirbehaviouralneeds Conventionallyhousedเติบโต – m ² finishingpigsintheNetherlandsareallowed0.8, basedon0.035 BW0.667ExtraspaceofferedwithComfortClassisamajorfinancialbarriertointroducethissysteminpractice Inordertoestablishwhetherornotwelfareandperformancecouldbemaintainedwhilstreducingspaceallowance, a3 2 factorialtrialwasdesignedtocomparepigshousedat2.4 m ² 1.6 m ² หรือ 1.2 m ²ต่อ piginpensof29and58m² วิดีโอบันทึก skinandtaillesions, lamenessscoresandperformancewerecollectedduringreplicatesinvolving216pigseach สามResultsindicatethatpigshousedat2.4, m ² 1.6or1.2 ต่อ animalwouldbelyinginthekennelsfor62%, respectivelyandpigshousedat 54% and48% ofthetime (Po0.001)2.4 m ² spentmoretimeeatingthanthosehousedat1.2 m ² (and4.4%ofthetime 4.7%ตามลำดับ Po0.05) Pigshousedinthesmallpensspentlesstimeinthekennelandmoretimerootingthanthoseinthelargepens (53.0%vs.55.8% inkennel, P¼0.046;1.78%vs1.22%rooting, Po0.001) Pigshousedinthesmallpenshadlesstaillesionsandthosehousedatm ² tendedtohavelessskinlesionsontheirhindsthanthosehousedat1.2 m ² 2.4and1.6 ต่อหมู Dailyweightgainwashigherinthesmallthanthelargepens (823vs.797g/d, P¼0.003)และ higherat2.4and1.6 m ² than1.2 m ² (827and817vs.786g/d, P¼0.002)โดยรวม anincreaseingroupsizeandstockingdensitybothhadunfavourableeffectsonwelfareandperformance, evenatthesehighspaceallowances อย่างไรก็ตาม performancebenefitsfromhigherspaceallowancesdidnotcompensateforincreasesinhousingcosts
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