Animals & Feeding Flashcards
(20 cards)
Ingredients used to make a diet
feedstuffs
Level of a nutrient that must be consumed daily to meet specific criteria of animals
nutrient requirement
amount of feed
ration
the rations the animal is getting
diet
different types of energy sources
Feed
What does grain provide?
energy
What does forage provide?
Fiber
Examples of byproducts used in animal nutrition
soybean meal
brewer’s grain
molasses
beet pulp
citrus pulp
blood meal
feather meal
whey
What are maintenance requirements?
nutrient requirements to breathe, move, digest, warmth, repair tissues, and maintain body weight
What is stress?
an environmental situation that provokes an adaptive response
What is strain?
the adaptive response which is a part of maintenance
What does norepinephrine do?
+ heart rate
+ blood flow to muscles
- blood flow to GI tract
triggers release of glucose
What do glucocorticoids do?
Stimulate gluconegenesis
Ways to prevent heat stress
provide shade
good ventilation
sprinklers
plenty of water
Feed efficiency can be decreased by:
Diarrhea
Heat stress
Moldy feed
Crowding
Heat stress causes these responses in lactating dairy cows:
Laminitis
Drooling
Panting
Rumen acidosis
Decreased food intake
Increased global demand for animal products may lead to the following outcomes
Increased greenhouse gas emissions
Increased livestock populations
Deforestation
T or F: Agriculture is the largest source of greenhouse gas emissions in the United States
FALSE
T or F: Increased productivity of natural resources already used in agriculture is a sound strategy to feed the world while reducing the carbon footprint of livestock systems:
TRUE
T or F: The feed industry is a major recycler of nutrients by using byproducts that would be thrown away
TRUE
