__________ THE MOST IMPORTANT protein supplement for livestock feeding in US (and
many other countries). (spell out) correct answers Soybean Meal
A protein feed derived from slaughterhouse waste, is high in collagen, and is of concern because
of "mad cow" disease? correct answers Meat meal
________ is the first limiting amino acid in grain legumes. correct answers Methionine
List 2 sources of rumen undegradable protein that can be used in ruminant diets. correct answers
Heat treated soybean meal and fish meal
________________ is the second most important plant protein supplement (spell out). correct
answers Cottonseed meal
Some protein sources can be treated to make them less degradable in the rumen. Name 2
methods of protecting feeds from excessive rumen degradation. correct answers Coating in fat
and heat treatment
What is the most common source of non-protein nitrogen for ruminants? correct answers Urea
Use of NPN is dependent upon a source of readily fermentable _____________ in the diet.
correct answers Carbohydrates
Why might feeding poultry litter or dried poultry waste be of concern, especially with sheep?
correct answers Copper toxicity
Cottonseed meal contains __________ which is quite toxic to monogastric animals, causes egg
yolks to turn green, so we should be careful how much to feed pigs and chickens as ruminants
are more tolerant. correct answers Gossypol
There are many feedstuffs that can be used as protein supplements. Which one must be restricted
several weeks before slaughtering swine because it can cause soft pork? correct answers Full fat
peanuts
What type of milk product is used in milk replacers, and, to a lesser degree, in solid starter
rations for young pigs and ruminants? correct answers Dried milk products
What are the major three systems of grazing management we discussed in class? correct answers
- Continuous
- Rotational
- Strip
Of the 3 systems of grazing management (in the question above), which one results in increased
average forage quality by eliminating over and under grazed patches? correct answers Rotational
, In mixed species grazing, which animals can be used to control poisonous plants because they
are resistant to many of the toxins? correct answers Sheep and goats
Which forage pasture may commonly cause bloat in ruminants? correct answers Alfalfa
Which of the following grasses may contain undesirable levels of prussic acid (cyanogenic
glycoside)? correct answers Johnsongrass
A cool season grass, which is intolerant to heavy grazing pressure and typically low in
magnesium? correct answers Timothy grass
A warm season grass that is the most extensively produced hay crop in South? correct answers
Bermudagrass
A warm season legume, that is stemmy and shrubby in appearance, and is important for pasture
and hay in SE states? correct answers Lespedza
Most widely grown clover in North America; similar to alfalfa but not as productive; may cause
profuse salivation (slobbers) in cattle. correct answers Red colver
Major pasture legume in North America, Europe, New Zealand, parts of Australia, and South
America; quite resistant to grazing pressure. correct answers White clover
_____________ Deep rooted, drought resistant cool season perennial grass infected with
endophyte fungus that produce ergot alkaloids (DW hated mowing her lawn in Georgia because
of this grass!) correct answers Tall fescue
If the grass in the previous question is infected with the fungus,
a. What is the name of the condition that may affect the livestock and cause necrosis of the
hooves, lower limbs, tail, and tips of the ears?
b. Which species of livestock is the major one affected? correct answers a. Fescue foot
b. Cattle
__________ Cool season grass grown extensively throughout Louisiana as forage crop and is
widely used for beef and dairy cattle. correct answers Ryegrass
Which legume contains coumarin, which may cause "bleeding disease" in animals that consume
it? correct answers Sweetclover
________ is known as the "queen of the forages". correct answers Alfalfa
(a) What component of the plant is considered to be completely indigestible?
(b) What happens to the content of this component as a plant matures? correct answers (a) Lignin
(b) It increases