14. Measuring Feed Intake - Department of Animal Sciences ...

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MethodMarkers:• Avoids the need for feces bags• Dose animals with marker (1 or 2 x daily /ruminal bolus)• Collect fecal samples• Fecal output = [Marker feed]/[Marker feces]
Page 1 and 2: Measuring feed intakeDr Adegbola T.
Page 3 and 4: Determining intake in confinedanima
Page 5 and 6: Zero grazing criteria• Representa
Page 7 and 8: Calan gatesBruno’s website
Page 9 and 10: Calan gates at the BRU
Page 11 and 12: Hoko feeder
Page 13 and 14: Determining intake fromartificial p
Page 15: Quantifying intake from bite sizeBi
Page 18 and 19: Turves:Method• Sow trays or cut f
Page 20 and 21: Measuring intake at pasture
Page 22 and 23: Herbage mass measurements:Method•
Page 24 and 25: Herbage measurements:Pros• No ani
Page 26 and 27: Short-term BW measurements:Pros•
Page 28 and 29: Vibracorders• Procedure-Works lik
Page 30 and 31: Watch what you eat!!!!Python regret
Page 32 and 33: Total feces collection:Procedure•
Page 36 and 37: Internal markers• Main problem is
Page 38 and 39: Internal marker problems• Silica
Page 40 and 41: DMI, kgEffect of treatments on hayi
Page 42 and 43: Alkanes (C n H 2n+2 )• CH 4 CH 4
Page 44 and 45: Alkanes contd.• Fecal recovery of
Page 46 and 47: Calculations• DM Intake (kg) =Fec
Page 48 and 49: Alkanes continuedPros• Gives indi
Page 50 and 51: Pasture composition
Page 52 and 53: Diet selection also varies with spp
Page 54 and 55: Methods of estimatingdiet compositi
Page 56 and 57: Cages:Method• Compare forage unde
Page 58 and 59: N-alkane markers:Pros• Useful whe
Page 60 and 61: Fecal analysis:Pros• Minimal dist
Page 62 and 63: Surgical modification:• Prepare a
Page 64: References• See website articles

14. Measuring Feed Intake - Department of Animal Sciences ...

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