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Indicator method
Answer Daily dry matter voided in faeces (g/day)
Amount of Cr2O3 fed daily 2
= ------------------------------------------- = --------- = 2000 g
g of Cr2O3 per g of faeces 0.001
0.05 15
DM dige.coe.of forage = 100 - { 100 x ----------- x -------- }
0.10 20
= 100 -37.5
= 62.5
DM voided
DM intake = ------------------------------- x 100
% of DM indigestibility
2000
= --------- x 100 = 5333 g
37.5
5333
Fresh forage intake = ---------- x 100
20
= 26.665 g/day = 26.665 kg/day.
Courtesy: Applied Nutrition for Livestock,Poultry,Pets,Rabbits and Laboratory animals,Second Edition, by D.V.Reddy 2009.
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Last modified: Monday, 2 April 2012, 5:29 AM