Exam 1.1
Prehension is a term referring to:
A) Eating feed or forage
B) How an animal gathers food
C) Chewing food
D) Digesting food
B) How an animal gathers food
What type of digestive systems do cattle, sheep, and goats have?
A) Single
B) Monogastric
C) Ruminant
D) Non-ruminant
C) Ruminant
Which of the following occurs when animals consume mainly legume pastures and causes gas to be trapped in the rumen?
A) Bloat
B) Nitrate toxicity
C) Grass tetany
D) Fescue toxicosis
A) Bloat
Which type of feedstuffs is the primary energy source for monogastric animals?
A) Protein supplements
B) Grains
C) Forages
D) Silages
B) Grains
Maintenance rations for beef cattle are primarily composed of _____________.
A) Concentrates
B) Protein supplements
C) Minerals
D) Roughages
D) Roughages
What organization regulates animal feed and the use of feed additives?
A) AAFCO
B) FDA
C) USDA
D) EPA
B) FDA
Which of the following is not part of the monogastric stomach?
A) Fundic region
B) Cardiac region
C) Pyloric region
D) Reticular region
D) Reticular region
Which of the following are considered herbivores?
A) Horses and pigs
B) Cattle and pigs
C) Goats and poultry
D) Horses and cattle
D) Horses and cattle
Imagine a sample of grass was determined to have a moisture content of 80%. What is the percentage of dry matter in the sample?
20%
Which of the following is associated with low magnesium intake and can be caused by high nitrogen fertilization, cool weather, or rapid plant growth?
A) Fescue toxicosis
B) Bloat
C) Grass tetany
D) Nitrate toxicity
C) Grass tetany
A feed uses the ingredients dehydrated alfalfa meal, dehydrated silage, and ground alfalfa hay. What collective term can they use on the feed label instead of listing each individual ingredient?
A) Roughage products
B) Silage products
C) Molasses products
D) Forage products
D) Forage products
Nutrients in rations formulated for purposes such as growth and finishing will only be used for that purpose if…
A) The feed is palatable enough
B) The feed has enough carbohydrates and fats
C) Maintenance requirements for the animal are met first
D) Production requirements for the animal are met first
C) Maintenance requirements for the animal are met first
What is the chicken’s true stomach?
A) Proventriculus
B) Gizzard
C) Crop
D) Cloaca
A) Proventriculus
What are the basic units of carbohydrates?
A) Monosaccharides
B) Amino acids
C) Triglycerides
D) Polysaccharides
A) Monosaccharides
Which mineral deficiency causes white muscle disease?
A) Calcium
B) Iron
C) Copper
D) Selenium
D) Selenium
Which vitamin plays a role in vision, kidney function, immune function, and development of bone, teeth, and nerve tissues?
A) Vitamin K
B) Vitamin B6
C) Vitamin A
D) Vitamin D
C) Vitamin A
Which of the following swine rations should contain the least crude protein?
A) Pre-starter feed
B) Grower ration
C) Finishing ration
D) Starter feed
C) Finishing ration
Why are xanthophylls added to poultry rations?
A) To prevent coccidiosis
B) To make nutrients more biologically available
C) To prevent internal parasites
D) To add yellow pigment for consumer preference
D) To add yellow pigment for consumer preference
Which of the following is not one of the 10 essential amino acids?
A) Phenylalanine
B) Valine
C) Lysine
D) Serine
D) Serine
Which of the following are compounds that aren't true protein in nature but contain nitrogen and can be converted to protein by bacterial action; commonly fed to ruminants?
A) Amino acids
B) Crude protein
C) Nonprotein nitrogen
D) Digestible protein
C) Nonprotein nitrogen
A feedstuff has an international feed number of 1-02-887. Which NRC feedstuff category does this fall under?
A) Pasture
B) Dry roughages and forages
C) Silage
D) Protein supplements
B) Dry roughages and forages
Which mineral deficiency causes anemia in baby pigs?
A) Iron
B) Phosphorus
C) Magnesium
D) Selenium
A) Iron
Which two minerals are most important to consider when balancing ration?
A) Salt and calcium
B) Calcium and phosphorus
C) Iodine and phosphorus
D) Potassium and phosphorus
B) Calcium and phosphorus
Approximately how much of an animal's ration is typically used for maintenance purposes?
A) 50%
B) 25%
C) 75%
D) 60%
A) 50%
Which polysaccharide is only digestible by microbial enzymes?
A) Starch
B) Glucose
C) Cellulose
D) Galactose
C) Cellulose
Which of the following is not true regarding lipid digestion in ruminants?
A) The majority of lipids are digested by bacterial lipase in the rumen
B) The majority of lipids are digested by pancreatic lipase in the small intestine
C) Triglycerides are broken down to glycerol and three fatty acids
D) Triglycerides are incorporated into chylomicrons to enter the bloodstream and be transported to tissues
B) The majority of lipids are digested by pancreatic lipase in the small intestine
Which of the following would be classified as an energy feedstuff?
A) Feedstuff A, 15% crude protein, 22% crude fiber
B) Feedstuff B, 6% crude protein, 40% crude fiber
C) Feedstuff C, 16% crude protein, 10% crude fiber
D) Feedstuff D, 25% crude protein, 15% crude fiber
C) Feedstuff C, 16% crude protein, 10% crude fiber
Which of the following is not a true statement regarding forage quality?
A) Younger plants are generally more nutritious than older plants
B) Forages with a musty odor are generally lower in quality
C) Legumes are generally higher in quality than grasses
D) Forages with more stems than leaves are generally higher in quality
D) Forages with more stems than leaves are generally higher in quality
Which is the only nutrient class that should be restricted in the rations of gestating pigs?
A) Energy
B) Protein
C) Vitamins
D) Minerals
A) Energy
Which of the following best describes how cattle nutrient needs are adjusted during cold weather?
A) Nutrient needs decrease by 1% for each degree below freezing
B) Nutrient needs increase by 5% for each degree below freezing
C) Nutrient needs increase by 1% for each degree below freezing
D) Nutrient needs are not adjusted for cold weather
C) Nutrient needs increase by 1% for each degree below freezing