Page 104 - Raw Diet References Book 2019
P. 104

If urine is not collected   ME (kcal or kJ/g) = DE - (DP x correction factor for energy lost in urine)



              Correction factor for energy lost in urine (Kienzle   1.25kcal or 5.23kJ/g for dogs
            et al. 1998):                                       0.86kcal or 3.60kJ/g for cats



            2. QUANTITATIVE COLLECTION METHOD


            2.1 Introduction


              This feeding protocol has been designed in order to   dog and cat food metabolizable energy protocols –
            determine ME of cat & dog foods in a way not harmful   Quantitative Collection Method” (AAFCO 2007).
            for cats and dogs and is adapted from the “AAFCO



            2.2 Protocol


            2.2.1 Animals


              A minimum of six fully grown animals at least one   breed. Animals shall be individually housed during
            year of age shall complete the test. The animals shall   the trial (collection period).
            be in good health and of known weight, sex and



            2.2.2 Feeding procedures


              Feeding procedures shall be standardized. The     The second phase shall be the total collection
            feeding shall consist of two phases.              period of at least four days (96 hours) for dogs and
                                                              five days (120 hours) for cats.
              The first phase shall be the pre-collection period
            of at least three days for dogs and five days for cats   The amount of food offered during the second
            (Nott et al. 1994) with the objective of acclimatising   phase  shall remain constant.  Food intake shall  be
            the test animals to the diet and adjusting food intake,   recorded throughout both phases.
            as necessary, to maintain body weight.



            2.2.3 Food



              Food type, flavour, and production codes        The  food  source  shall  remain  constant  throughout
            representing the composite feed shall be recorded.   the test period.



            2.2.4 Food allowances


              The amount of food presented to each animal may   maintenance energy requirements [110kcal (460-480kJ)
            be based upon existing data on the quantity of food   ME per kg BW0.75 for dogs and about 60kcal (250-293kJ)
            required to maintain body weight or the estimated daily   ME per kg BW for cats] (See ANNEX 2 - Energy).




            Publication May 2017                                                                        44/100
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