College, Pierce questions n answers
Animal Nutrition: Feeding - correct answer ✔✔ - Involves more than just placing any available
feed
before the animals
- Domesticated animals, like humans require good
nutrition for growth and maintenance of their
bodies
- Must meet bodily need BUT do it as cost effective
as possible
Food VS. Feed - correct answer ✔✔ - Food: Humans
- Feed: Livestock/ Animals
Feed - correct answer ✔✔ - A substance which after ingestion and digestion
by the animal provides nutrients which are
absorbed and utilized by the animal for:
- Maintenance
- Fattening
- Reproduction
- Lactation
- ETC.
,Concentrate - correct answer ✔✔ - A feedstuff is high in energy and low in fiber
concentrates are 60-90% digestible (protein,
carb,fat)
Roughage - correct answer ✔✔ - A feedstuff that is high in fiber and low in energy,
plant products (leaf, stem, roots, etc.)
- 50-65% digestible
Components of Animal Feed - correct answer ✔✔ - Organic Matter - contains carbon
- Inorganic Matter - Doesn't contain carbon
Organic Matter - correct answer ✔✔ - Is or was alive
- Contains Carbon
- Carbohydrates
- Fats (Lipids)
- Proteins
- Vitamins
Inorganic Matter - correct answer ✔✔ - Was never alive
- DOSENT contain Carbon
- Water
- Minerals
Nutrition and Digestion - correct answer ✔✔ - Nutrients are absorbed by an animal digestive
system
- Blood carries nutrients to various parts of the
,body
- There they provide nourishment to body cells
which provide energy for specific functions:
- Reproduction
- Muscle Growth
- Mammary Gland (Milk)
- ETC.
Feed Efficiency (Digestibility) - correct answer ✔✔ - Total Calorie Intake - Total Calorie
Unabsorbed =
Total Calorie Absorbed
Nutrients - correct answer ✔✔ - A component of feed that aids in support of life
- 6 Essential Nutrients for Animals:
- Water
- Proteins
- Carbohydrates
- Fats
- Vitamins
- Minerals
Most Important Nutrients - correct answer ✔✔ - Water
- Protein
Water - correct answer ✔✔ - Most important and luckily the cheapest
- Needed in most/largest quantity on daily basis
, - Cheapest nutrient - (presently)
- Makes up 50-80% of an animals body
Hydrolysis - correct answer ✔✔ - Chemical process of using water in breaking
down feed
Water and Lactation - correct answer ✔✔ - Mature beef cattle consume 15-20 gal./day
- Dairy cows will drink more water
- Avg. cow/year: 14,000 lbs
- Avg. Lactation: 305 days = 45lbs milk/day
- Milk Components:
- 13% solids
- 87% Water
- 45.9x 0.87 = 40 lbs. water/day excreted by
mammary glands
Sources of water - correct answer ✔✔ - Drinking Water
- Water in Feed
- Metabolic Water
Metabolic Water - correct answer ✔✔ - Water that can be made inside an animals body
Water Intake - correct answer ✔✔ - Feed Type
- Water Quality
- Environment
- Level of Production