Response to oustanding issues Animal Husbandry MCU12/0184

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TABLE 1: W Donald Milligan pty Ltd       -
                                             Free Range Broiler Nutrient Calculations                                      ---------~_=_==,           ~Myriad.  International,
Raw litter Production                                                                       Nitrogen Requirements
Shed Size (m)                     Length              100   Width                 16        Avocadoes
                                                                                                                                 ._-




                                  Area               1600   m2                              No Trees

                                                                                            Trees / ha
                                                                                                                                       --1 7~~~        10 x 8 m plantings

litter Depth                             75      mm                                         No Hectares                                   L56
Volume litter /shed               L.JJ0 cubic metres                                        Nitrogen required / ha
                                                                                                                       5
                                                                                                                                         I      150   kgs
                                                                                            Nitrogen required /tree                             1.2   kgs
Shed Cycles per year
Number Sheds
                                         5.8
                                             8
                                                                                            Total Nitrogen Required
                                                                                                                                         L     8400
                                                                                                                                                8.4
                                                                                                                                                      kgs
                                                                                                                                                      tonnes


Total Wet Volume per annum             5568      cubic metres                               Total Farm Nitrogen Requirement Annually
                      1
Bulk Density litter                      0.5     tonnes per cubic metres

Dry matter Conversion
                              2
                                  L    0.75                                                 Nitrogen required                            [8.4 tonnes


                                                                                                                             6
Total Dry Matter per annum            22.88      tonnes                                     Compost Nitrogen availability                L      15    %



Nitrogen component
                          3
                                         3.5     %                                          Farm Compost Nitrogen requirements           c::    56    tonnes

                                  L      73      tonnes                                     Tree Compost Requirements                            8    kgs

Composting Raw litter                                 --    ---   ---   _   _   ___
                                                                                       J   I Farm   Nitrogen Balance
                  4
Nitrogen losses                          50      %                                          Chicken Compost Nitrogen Inputs
                                                                                            Chicken Compost supplied per tree            [      37
                                                                                                                                                 5
                                                                                                                                                      tonnes

                                                                                                                                                      kgs
Nett Nitrogen                     C      37      tonnes



System Production per annum                                                     ____
                                                                                       I
                                                                                       I
                                                                                            Farm Nitrogen compost requirements
                                                                                            Tree Compost Requirements                    [      56
                                                                                                                                                 8
                                                                                                                                                      tonnes

                                                                                                                                                      kgs

Nitrogen                          C      37      tonnes                                     Nitrogen Balance                                    -19   tonnes

                                                                                            Nitrogen Balance per tree                          -2.8   kgs