Lec 2 - The production can be use to: Provide an early...

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The production can be use to: Provide an early warning of developing problems Provide clues to basic weaknesses in your program Monitor head health Provide information for budgeting or feasibility studies Proved a basis for incentive payments to labor Identify major costs Permit a comparison with other producers Provide a basis for seasonal adjustments in management NPD = 365-[L/S/Y x (GL+LL)] NPD = Non Productive Sow Days L/S/Y = Litters per sow per year GL = Gestation Length LL = Lactation Length Projected L/S/Y 365-NPD (GL + LL) NPD = all days that the gilts and sows are not gestating (pregnant) or lactating Farrowing Interval = 365/L/S/Y Table 1. Production Management Schedule No. of Litters/Sow/Year Weaning Age (Wks) Gestation (days) Lactation (days) Rebreed (days) Total (days) Litters/Yr. 3 114 21 10 145 2.5 4 114 28 7 149 2.4 5 114 35 5 154 2.3 5 114 42 5 161 2.2 8 114 56 5 171 2.0
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Lec 2 - The production can be use to: Provide an early...

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