Jeapardy final review Flashcards
What is the most common cool season annual in MS?
Ryegrass
What has 105% feeding value of corn and is commonly used by humans?
Wheat
Kjeldahl nitrogen indicates what?
Crude protein
The amino acid first balanced for in swine diets?
Threonine
What is a cool season grass that may contain an endophytic fungus?
Tall fescue
What has 85-98% feeding value of corn for monogastrics, but must be processed?
Sorghum grain (milo)
What grass can be better than bermudagrass, but may have fungal growth on seedheads?
Dallisgrass
What is the South’s answer to alfalfa?
Lespedeza
What is the feedstuff used to only increase calcium?
limestone
What is the protein content of corn on an as-fed basis?
8.8% CP
Name the three steps in balancing a ration.
- Determine dry matter intake 2. Determine nutrient composition of requirements 3. Determine nutrient requirements
Ash + fat + fiber + protein +NFE, no moisture
Dry matter
What is the most common grain fed to animals in the U.S.?
corn
What is the least palatable of all grains?
Rye
(Nutrient intake-fecal nutrients)/nutrient intake x 100
Apparent digestibility
What contains erucic acid and a myrosinase enzyme?
Rapeseed meal
What is the most popular type of fishmeal used for animal consumption?
Menhaden
Cottonseedmeal is fed to ruminants, but not monogastrics because it contains what?
Gossypol
What includes heat, pressure, and pushing through a small hole?
Extruding
What is the first acid produced during ensiling?
acetic acid
How is animal performance enhanced by high moisture grain?
Feed efficiency is improved
DE-UE or GE-FE-UE
metabolizable energy
Lysine, threonine, methionine, tryptophan are what?
1st 4 limiting amino acids
What is used to test hay bales?
Drill core sampler
What type of processing uses a hammer mill or a burr mill?
Grinding
What is the type of processing that involves feed being passed between two rollers?
Dry rolling
What type of pastures receive < 20 inches of rain and are produced by natural selection?
Native pastures
What is the most common protein source fed to animals in the U.S.?
soybean meal
What is the 1st nutrient to balance for, except in the case of swine?
Energy
Deficiency of this results in white muscle disease and stiff lamb disease?
Selenium
What is a disadvantage to creep feeding?
Increased feed costs
What is the process of making the calf ready for feedlot before leaving the production site?
preconditioning
Why would someone feed individually, feed a high fiber diet, and feed every 3rd day?
To restrict energy intake
What is the problem with excessive heifer weight gain?
Damages mammary development/ability to produce milk
What causes slobbers in cattle?
Slaframine
What is anti-vitamin K in nature?
Dicoumarol
What stops electron transport resulting in bright red blood?
Cyanide poisoning
What is an organic or inorganic compounds that inhibit the growth of microorganisms?
Chemotherapeutic agents
What is the period when a low Ca diet should be fed?
2-3 weeks before calving
What is the limit urea should be fed to dairy cattle during early lactation?
.4-.5 lb/day
Nutritional disorder caused by bacterium perfingens type D
Enterotoxemia
What binds irreversible to Hb (hemoglobin) resulting in dark blood?
Nitrite
What is increasing energy in diet 10 days prior to breeding?
Flushing
What is the most important nutrient in swine rations?
Amino acids
What is the time period for the 100 critical days?
30 days prior to calving and 70 days after calving
What is a forage associated disorder most commonly seen in spring after high fertilization?
Grass tetany
What is the 1st principle of toxicology?
Everything is toxic if given in a large enough dose over a period of time (dose and duration)
What is required for all commercial feeds?
Labeling
What is a disorder in cows because they are dependent on gluconeogenesis?
Ketosis
What is a growth promoter with bacteriostatic properties produced by living organisms?
Antibiotics
What increases feed efficiency with minimal effect on gains? (ex: lacsalocid and monensin)
Ionophores
T or F: Poloxalene is added to feedstuffs to prevent bloat?
TRUE
What is the frequency and method of delivery of BST to lactating dairy cows?
Subcutaneous injection given every 14 days
What are the three critical feeding periods for ewes?
flushing, last 6 weeks of gestation, 1st 8 weeks of lactation
What is the disadvantage to feeding whole soybeans to swine?
It contains an antitrypsinogen factor
What type of diet is fed from 3 weeks of age to 6 weeks of age?
Starter diet
What is the reason for feeding several times a day and a variety of forages?
To increase feed intake; stimulate forage intake
A deficiency in this causes decreased weight gain, resistance to parasites, and reproductive failure?
Energy
What is this nutritional disorder that is caused by rumen produced thiaminases?
Polioencephalomalacia
what has 85% feeding value of corn?
oats