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  <xs:element id="calm_WeightedAverageSharesOutstandingAbstract" abstract="true" nillable="true" name="WeightedAverageSharesOutstandingAbstract" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"></xs:element>
  <xs:element id="calm_TwoThousandTwelveOmnibusLongTermIncentivePlanMember" abstract="true" nillable="true" name="TwoThousandTwelveOmnibusLongTermIncentivePlanMember" substitutionGroup="xbrli:item" type="dtr-types:domainItemType" xbrli:periodType="duration"></xs:element>
  <xs:element id="calm_NonSpecialtyShellEggSalesMember" abstract="true" nillable="true" name="NonSpecialtyShellEggSalesMember" substitutionGroup="xbrli:item" type="dtr-types:domainItemType" xbrli:periodType="duration"></xs:element>
  <xs:element id="calm_ProceedsFromPurchaseofSaleOfTreasuryStockNetofStockIssuedDuringPeriodRestrictedStockAward" nillable="true" name="ProceedsFromPurchaseofSaleOfTreasuryStockNetofStockIssuedDuringPeriodRestrictedStockAward" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:periodType="duration" xbrli:balance="debit"></xs:element>
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  <xs:element id="calm_ProceedsFromSaleAndMaturityOfAvailableForSaleSecuritiesCurrent" nillable="true" name="ProceedsFromSaleAndMaturityOfAvailableForSaleSecuritiesCurrent" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:periodType="duration" xbrli:balance="debit"></xs:element>
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  <xs:element id="calm_DebtSecuritiesAvailableForSaleCurrentRealizedGain" nillable="true" name="DebtSecuritiesAvailableForSaleCurrentRealizedGain" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:periodType="duration" xbrli:balance="credit"></xs:element>
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  <xs:element id="calm_DebtSecuritiesAvailableForSaleCurrentRealizedLoss" nillable="true" name="DebtSecuritiesAvailableForSaleCurrentRealizedLoss" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:periodType="duration" xbrli:balance="debit"></xs:element>
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  <xs:element id="calm_AllowanceForDoubtfulAccountsAsPercentageOfReceivablesAgedOver60Days" nillable="true" name="AllowanceForDoubtfulAccountsAsPercentageOfReceivablesAgedOver60Days" substitutionGroup="xbrli:item" type="dtr-types:percentItemType" xbrli:periodType="duration"></xs:element>
  <xs:element id="calm_NumberOfMajorCustomers" nillable="true" name="NumberOfMajorCustomers" substitutionGroup="xbrli:item" type="xbrli:integerItemType" xbrli:periodType="duration"></xs:element>
  <xs:element id="calm_FlockCostsCostAccumulationPeriod" nillable="true" name="FlockCostsCostAccumulationPeriod" substitutionGroup="xbrli:item" type="xbrli:durationItemType" xbrli:periodType="duration"></xs:element>
  <xs:element id="calm_AvailableForSaleDebtSecuritiesCurrentAccumulatedGrossUnrealizedGainBeforeTax" nillable="true" name="AvailableForSaleDebtSecuritiesCurrentAccumulatedGrossUnrealizedGainBeforeTax" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:periodType="instant" xbrli:balance="credit"></xs:element>
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  <xs:element id="calm_AvailableForSaleDebtSecuritiesCurrentAmortizedCostBasis" nillable="true" name="AvailableForSaleDebtSecuritiesCurrentAmortizedCostBasis" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:periodType="instant" xbrli:balance="debit"></xs:element>
  <xs:element id="calm_AvailableForSaleDebtSecuritiesNoncurrentAmortizedCostBasis" nillable="true" name="AvailableForSaleDebtSecuritiesNoncurrentAmortizedCostBasis" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:periodType="instant" xbrli:balance="debit"></xs:element>
  <xs:element id="calm_LossContingencyDamagesSoughtvaluePerClaim" nillable="true" name="LossContingencyDamagesSoughtvaluePerClaim" substitutionGroup="xbrli:item" type="xbrli:decimalItemType" xbrli:periodType="duration"></xs:element>
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  <xs:element id="calm_ChecksOutstandingInExcessOfBookCashBalances" nillable="true" name="ChecksOutstandingInExcessOfBookCashBalances" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:periodType="instant" xbrli:balance="credit"></xs:element>
  <xs:element id="calm_CreditAgreementMember" abstract="true" nillable="true" name="CreditAgreementMember" substitutionGroup="xbrli:item" type="dtr-types:domainItemType" xbrli:periodType="duration"></xs:element>
  <xs:element id="calm_ImmaterialErrorCorrectionPolicyTextBlock" nillable="true" name="ImmaterialErrorCorrectionPolicyTextBlock" substitutionGroup="xbrli:item" type="dtr-types:textBlockItemType" xbrli:periodType="duration"></xs:element>
  <xs:element id="calm_StockCompensationPlanTransactions" nillable="true" name="StockCompensationPlanTransactions" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:periodType="duration" xbrli:balance="credit"></xs:element>
  <xs:element id="calm_StockCompensationPlanTransactionsShares" nillable="true" name="StockCompensationPlanTransactionsShares" substitutionGroup="xbrli:item" type="xbrli:sharesItemType" xbrli:periodType="duration"></xs:element>
  <xs:element id="calm_EarningsPerShareBasicDilutedAbstract" abstract="true" nillable="true" name="EarningsPerShareBasicDilutedAbstract" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"></xs:element>
  <xs:element id="calm_ProductionAndProcessingFacilitiesCapacityNumberOfLayers" nillable="true" name="ProductionAndProcessingFacilitiesCapacityNumberOfLayers" substitutionGroup="xbrli:item" type="xbrli:integerItemType" xbrli:periodType="duration"></xs:element>
  <xs:element id="calm_FassioEggFarmsIncMember" abstract="true" nillable="true" name="FassioEggFarmsIncMember" substitutionGroup="xbrli:item" type="dtr-types:domainItemType" xbrli:periodType="duration"></xs:element>
  <xs:element id="calm_BusinessCombinationContingentConsiderationMeasurementPeriod" nillable="true" name="BusinessCombinationContingentConsiderationMeasurementPeriod" substitutionGroup="xbrli:item" type="xbrli:durationItemType" xbrli:periodType="duration"></xs:element>
  <xs:element id="calm_ContingentconsiderationMember" abstract="true" nillable="true" name="ContingentconsiderationMember" substitutionGroup="xbrli:item" type="dtr-types:domainItemType" xbrli:periodType="duration"></xs:element>
  <xs:element id="calm_LitigationSettlementTrebleDamages" nillable="true" name="LitigationSettlementTrebleDamages" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:periodType="duration" xbrli:balance="credit"></xs:element>
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  <xs:element id="calm_GainOnInvoluntaryConversionsPolicyTextBlock" nillable="true" name="GainOnInvoluntaryConversionsPolicyTextBlock" substitutionGroup="xbrli:item" type="dtr-types:textBlockItemType" xbrli:periodType="duration"></xs:element>
  <xs:element id="calm_BroilerProcessingPlanthhatcheryAndFeedMillMember" abstract="true" nillable="true" name="BroilerProcessingPlanthhatcheryAndFeedMillMember" substitutionGroup="xbrli:item" type="dtr-types:domainItemType" xbrli:periodType="duration"></xs:element>
  <xs:element id="calm_SignificantAccountingPoliciesLineItems" abstract="true" nillable="true" name="SignificantAccountingPoliciesLineItems" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration"></xs:element>
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  <xs:element id="calm_NumberOfFacilitiesTestedPositiveForHpai" nillable="true" name="NumberOfFacilitiesTestedPositiveForHpai" substitutionGroup="xbrli:item" type="xbrli:integerItemType" xbrli:periodType="duration"></xs:element>
  <xs:element id="calm_NumberOfLayingHensAffectedByHpaiPositiveTest" nillable="true" name="NumberOfLayingHensAffectedByHpaiPositiveTest" substitutionGroup="xbrli:item" type="xbrli:integerItemType" xbrli:periodType="duration"></xs:element>
  <xs:element id="calm_NumberOfPulletsTestedPositiveForHpai" nillable="true" name="NumberOfPulletsTestedPositiveForHpai" substitutionGroup="xbrli:item" type="xbrli:integerItemType" xbrli:periodType="duration"></xs:element>
  <xs:element id="calm_PercentOfTotalFlockAffectedByHpaiPositiveTest" nillable="true" name="PercentOfTotalFlockAffectedByHpaiPositiveTest" substitutionGroup="xbrli:item" type="dtr-types:percentItemType" xbrli:periodType="duration"></xs:element>
  <xs:element id="calm_NumberOfPulletsAcquired" nillable="true" name="NumberOfPulletsAcquired" substitutionGroup="xbrli:item" type="xbrli:integerItemType" xbrli:periodType="duration"></xs:element>
  <xs:element id="calm_NumberOfCageFreeAcquired" nillable="true" name="NumberOfCageFreeAcquired" substitutionGroup="xbrli:item" type="xbrli:integerItemType" xbrli:periodType="duration"></xs:element>
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  <xs:element id="calm_CrepiniLlcMember" abstract="true" nillable="true" name="CrepiniLlcMember" substitutionGroup="xbrli:item" type="dtr-types:domainItemType" xbrli:periodType="duration"></xs:element>
  <xs:element id="calm_CrepiniFoodsLlcMember" abstract="true" nillable="true" name="CrepiniFoodsLlcMember" substitutionGroup="xbrli:item" type="dtr-types:domainItemType" xbrli:periodType="duration"></xs:element>
  <xs:element id="calm_IseAmericaIncMember" abstract="true" nillable="true" name="IseAmericaIncMember" substitutionGroup="xbrli:item" type="dtr-types:domainItemType" xbrli:periodType="duration"></xs:element>
  <xs:element id="calm_IseIncMember" abstract="true" nillable="true" name="IseIncMember" substitutionGroup="xbrli:item" type="dtr-types:domainItemType" xbrli:periodType="duration"></xs:element>
</xs:schema>
