Practice Exam KEY for the Texas FFA
Livestock CDE
1% - ANS-During cold weather, cattle feed should be increased by what percent for
each degree of cold
stress?
101.5 ° F - ANS-The normal body temperature of cattle is:
114 days - ANS-The gestation time for swine is:
12 - ANS-A single stomach animal can synthesize ________ of the 22 required amino
acids.
12 and 13th rib - ANS-External fat on a lamb carcass is measured between which two
ribs?
14 to 20 days - ANS-The length of the estrus cycle for a ewe is:
148 days - ANS-The gestation time for sheep is:
16% - ANS-The recommended protein percent of a grower ration for swine from
weaning to 75
pounds is:
2.25 - ANS-Fats and oils provide _________ times more energy than do carbohydrates,
20% - ANS-In a swine carcass, the loin is about ________ percent of the total carcass.
200-220 lbs - ANS-The traditionally recommended weight for selling slaughter hogs has
been _____________.
21 days - ANS-Estrus in cattle usually occurs every:
21 days - ANS-When evaluating swine performance data, litter weights are adjusted to
a standard of how
many days?
,22 - ANS-Ruminant animals can synthesize ________ of the 22 required amino acids.
283 days - ANS-The gestation time for cattle is:
3 lb/day - ANS-The average daily gain for growing cattle on full feed.
30 - ANS-Cattle have how many pairs of chromosomes?
35% - ANS-Meat provides about what percent of the animal protein consumed in the
world?
38 - ANS-About _______ percent of total income from all livestock marketing in the
United States
comes from the beef industry?
40 - ANS-Anthrax is a disease caused by bacteria that may remain in the soil for
______ years or
longer.
550-700 - ANS-Feeder calves classed as yearlings usually weigh:
550-700 - ANS-Yearlings are feeder calves between one and two years old weighing
about ____________
pounds.
57.4 to 60.3% - ANS-The expected yield of a hog with an USDA quality grade of No. 2
is:
6:1-7:1 - ANS-The average feed conversion ratio for beef cattle on full feed is:
60.4% or greater - ANS-The expected yield of a hog with a USDA quality grade of No. 1
is:
6000 - ANS-Archeology has found evidence that sheep have been domesticated for
_________ years.
62% - ANS-The average dressing percentage of a steer grading choice is:
7 months - ANS-Heifers most commonly reach puberty at the average age of:
, 70 - ANS-Range production accounts for __________ percent of the total sheep
production in the United
States.
8 - ANS-The United States is divided into _____ cattle-raising regions.
80-90 - ANS-Baby pigs require temperatures of ______________ degrees F.
9000 - ANS-Archaeological evidence from the Middle East indicates domestication of
the pig
occurred as early as __________ years ago.
A breed - ANS-Animals that through selection and breeding have come to resemble one
another and pass
those traits uniformly to their offspring are defined as:
Above 102 o F - ANS-The normal body temperature of sheep and swine is:
Absorption - ANS-The process of taking food nutrients through the intestinal wall is:
Accidents - ANS-Morphological defects in livestock are caused by:
Amino acids - ANS-Organic compounds, which are the building blocks in the formation
of proteins, are:
Ammonia - ANS-Many of the odor problems from confinement operations are related to
the release of
___________ from manure.
Anemia - ANS-Which of the following swine health problems is caused by a nutritional
deficiency?
Angus - ANS-A breed of cattle that originated in Scotland that has a smooth hair coat,
black in color, polled, and is one of the most popular breeds in the united states
anthelmintics - ANS-Feed additives in swine rations that control internal parasites are:
Antibiotics - ANS-Feed additives used to prevent disease and promote growth are:
Livestock CDE
1% - ANS-During cold weather, cattle feed should be increased by what percent for
each degree of cold
stress?
101.5 ° F - ANS-The normal body temperature of cattle is:
114 days - ANS-The gestation time for swine is:
12 - ANS-A single stomach animal can synthesize ________ of the 22 required amino
acids.
12 and 13th rib - ANS-External fat on a lamb carcass is measured between which two
ribs?
14 to 20 days - ANS-The length of the estrus cycle for a ewe is:
148 days - ANS-The gestation time for sheep is:
16% - ANS-The recommended protein percent of a grower ration for swine from
weaning to 75
pounds is:
2.25 - ANS-Fats and oils provide _________ times more energy than do carbohydrates,
20% - ANS-In a swine carcass, the loin is about ________ percent of the total carcass.
200-220 lbs - ANS-The traditionally recommended weight for selling slaughter hogs has
been _____________.
21 days - ANS-Estrus in cattle usually occurs every:
21 days - ANS-When evaluating swine performance data, litter weights are adjusted to
a standard of how
many days?
,22 - ANS-Ruminant animals can synthesize ________ of the 22 required amino acids.
283 days - ANS-The gestation time for cattle is:
3 lb/day - ANS-The average daily gain for growing cattle on full feed.
30 - ANS-Cattle have how many pairs of chromosomes?
35% - ANS-Meat provides about what percent of the animal protein consumed in the
world?
38 - ANS-About _______ percent of total income from all livestock marketing in the
United States
comes from the beef industry?
40 - ANS-Anthrax is a disease caused by bacteria that may remain in the soil for
______ years or
longer.
550-700 - ANS-Feeder calves classed as yearlings usually weigh:
550-700 - ANS-Yearlings are feeder calves between one and two years old weighing
about ____________
pounds.
57.4 to 60.3% - ANS-The expected yield of a hog with an USDA quality grade of No. 2
is:
6:1-7:1 - ANS-The average feed conversion ratio for beef cattle on full feed is:
60.4% or greater - ANS-The expected yield of a hog with a USDA quality grade of No. 1
is:
6000 - ANS-Archeology has found evidence that sheep have been domesticated for
_________ years.
62% - ANS-The average dressing percentage of a steer grading choice is:
7 months - ANS-Heifers most commonly reach puberty at the average age of:
, 70 - ANS-Range production accounts for __________ percent of the total sheep
production in the United
States.
8 - ANS-The United States is divided into _____ cattle-raising regions.
80-90 - ANS-Baby pigs require temperatures of ______________ degrees F.
9000 - ANS-Archaeological evidence from the Middle East indicates domestication of
the pig
occurred as early as __________ years ago.
A breed - ANS-Animals that through selection and breeding have come to resemble one
another and pass
those traits uniformly to their offspring are defined as:
Above 102 o F - ANS-The normal body temperature of sheep and swine is:
Absorption - ANS-The process of taking food nutrients through the intestinal wall is:
Accidents - ANS-Morphological defects in livestock are caused by:
Amino acids - ANS-Organic compounds, which are the building blocks in the formation
of proteins, are:
Ammonia - ANS-Many of the odor problems from confinement operations are related to
the release of
___________ from manure.
Anemia - ANS-Which of the following swine health problems is caused by a nutritional
deficiency?
Angus - ANS-A breed of cattle that originated in Scotland that has a smooth hair coat,
black in color, polled, and is one of the most popular breeds in the united states
anthelmintics - ANS-Feed additives in swine rations that control internal parasites are:
Antibiotics - ANS-Feed additives used to prevent disease and promote growth are:
