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VOLUNTARY FEED INTAKE (Feeding Ecology (Hunger (M / Pre, Mass (of meal) =…
VOLUNTARY FEED INTAKE
Feeding Ecology
Hunger
M / Pre
Mass (of meal) = M
Pre-meal Interval = Pre
Satiety
M / Post
Mass (of meal) = M
Post-meal Interval = Post
Pre-meal interval definition?
Post-meal Interval definition?
Eating behaviour
Time
Inter-meal interval
Variation between species
long breaks
Feeding bout
1 Meal = "N" Bouts
short periods of eating in meals
Meal
period of feeding with possible bouts
Rate of eating
increase in time = decline of eating speed
Body response
Palatability
sensory impression from food
Appetite
drive for specific nutrients
Brain
Blood
intake
potential
feed required for nutrients required
voluntary
usually lower than potential
total amount eaten in day
Papers?
Forbes (1986)
Key Text
Feeding intervals
Da Silva (1987)
Malnourishment
Rats
Alcohol intake & toxicity
Miller (2019)
Predicting VFI
Dairy cattle
Intake linked to milk production
Failure to regulate
Overeating
Causes
Evolution
Breeding
BAT
Overeating disease
Under eating
Causes
Feed
Unsuitable
Insufficient amount
Nutrient deficiency
Animal
Pregnancy
High requirement
External factors
Time constraints
Limited grazing
Weather
Malnutrition