?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adc&rft.relation=http%3A%2F%2Fmiis.maths.ox.ac.uk%2Fmiis%2F42%2F&rft.title=Modelling+of+a+poultry+shed&rft.creator=McKibbin%2C+Robert&rft.creator=Wilkins%2C+Andy&rft.subject=Food+and+Drink&rft.description=Tegel+Foods+is+New+Zealand%E2%80%99s+leading+producer+and+supplier+of+poultry+products%2C+providing+an+extensive+range+of+quality+poultry+products+to+New+Zealanders+for+over+thirty+years.+Tegel+is+a+fully-integrated+poultry+producer+involved+in+breeding%2C+hatching%2C+feeding%2C+growing%2C+processing+and+marketing+of+chicken+and+turkey+in+New+Zealand.+The+problem+presented+by+Tegel+was+specifically+to+model+the+energy+exchange+between+the+chickens+and+their+shed+environment+in+order+to+better+understand+and+control+the+shed+climate+and+thereby+maximize+growth+rate.%0A%0AA+model+for+the+heat+production+and+water+respiration+rate+of+a+typical+chicken+was+developed%2C+based+on+physical+principles.+A+thermodynamical+model+of+the+whole+chicken%2Bshed+system+included+the+temperature+of+the+external+air%2C+the+internal+air%2C+the+chickens%2C+the+litter%2C+the+concrete+floor+and+the+underlying+soil.+It+also+included+the+relative+humidity+(RH)+of+the+external+and+internal+air+and+the+water+flows+into+and+out+of+the+shed.+%0A%0AModelling+of+the+shed+environment%E2%80%99s+inputs+and+outputs+will+be+particularly+valuable+for+continuing+assessment+of+three+fundamental+inputs+of+economic+importance%3A+feed+nutrient+density+in+terms+of+energy+formulation%2C+heating+in+terms+of+gas%2Fpower+usage%2C+and+heat+removal+via+extraction+fans.+Optimisation+of+liveweight+gain+and+feed+conversion+potential+are+the+end+targets.&rft.date=2004&rft.type=Study+Group+Report&rft.type=NonPeerReviewed&rft.format=application%2Fpdf&rft.language=en&rft.identifier=http%3A%2F%2Fmiis.maths.ox.ac.uk%2Fmiis%2F42%2F1%2Fmisg2004poultry.pdf&rft.format=application%2Fpdf&rft.language=en&rft.identifier=http%3A%2F%2Fmiis.maths.ox.ac.uk%2Fmiis%2F42%2F2%2Fmisg2004poultry_efs.pdf&rft.identifier=++McKibbin%2C+Robert+and+Wilkins%2C+Andy++(2004)+Modelling+of+a+poultry+shed.++%5BStudy+Group+Report%5D+++++&rft.relation=http%3A%2F%2Fmiis.maths.ox.ac.uk%2Fpast%2FMISG%2F2004%2F