Term
Name and describe the five things affecting feed consumption
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Definition
Palatability- Degree of acceptability of a feed or feedstuff to the taste or the degree of its acceptability to be eaten by the animal
Taste- sweet, sour, salty, bitter
Odor- produced by volatile compounds, may serve as an attraction but might not influence consumption
Sight- orientation and location of food
Texture- physical factors
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Term
Describe and define palatability
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Definition
Degree of acceptability of a feed or feedstuff to the taste or the degree of its acceptability to be eaten by the animal, involves appearance, taste, odor, temperature, texture
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Term
What is the Jacobson’s organ?
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Definition
A group of sensory cells in the main nasal chamber used for olfaction in reptiles, amphibians and mammals
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Term
Which species has the highest number of taste buds? Lowest?
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Definition
Highest- cattle lowest- chicken
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Definition
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Term
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Definition
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Term
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Definition
Physiological state that results from deprivation of feed of a general or specific type
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Term
Name two ways feed intake is controlled
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Definition
External- environment, sensory information, diet composition internal- metabolic, hormones
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Term
Describe the intrinsic/extrinsic factors affecting long-term control
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Definition
lactation, estrus, nitrogen, energy status, temperature, humidity, season, photoperiod
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Term
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Definition
seasonal changes which affects pineal gland (pineal gland secretes melatonin, responsible for regulating the sleep/wake cycle)
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Term
Where are the hunger and satiety centers located?
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Definition
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Term
How does the effect of glucose differ in the ruminant from the nonruminant?
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Definition
In non-ruminants, when glucose is low, hunger increases. In ruminants, glucose level has little effect on feed intake
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Term
Describe and explain the factors that influence food intake
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Definition
Olfaction (smell), taste, temperature, and amount of water consumed control food intake. The hypothalamus and pituitary gland (in the brain) controls energy balance. Acetate and lactate reduces meal size. Proprionate reduces food intake
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Term
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Definition
The amounts of nutrients required by animals
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