ANSC 3010 FINAL QUESTIONS WITH VERIFIED
ANSWERS
First and most important feed given to newborn calf is - Answers - Colostrum
This "first feed" provides the calf with - Answers - energy
protein
antibodies
In selecting a milk replacer for young calves, which of the following are the best sources
or fat and protein? - Answers - Animal fats (lard, tallow, grease), skim milk, and whey
Intake of which feed is most important for stimulating rumen development in the calf? -
Answers - Calf starter
(T/F) Calves should be eating plenty of hay by the time they are 3 weeks old - Answers
- False
The type of feed a calf eats is important for rumen papillae development bc of the
production of which volatile fatty acids? - Answers - Propionic acid and butyric acid
There's a "rule of thumb" we use to determine when we can wean the calf. This rule
states that the calf should be consuming at least____ pounds of calf started per day for
3 consecutive days - Answers - 1.5 pounds
Ionophores which aid in the prevention of coccidiosis and also improve gain and feed
efficiency in calves are _____ - Answers - Monensin and lasalocid
The ideal body condition score for a dairy cow at drying off should be: - Answers - 3.5 to
4
In early lactation, cows can't eat enough to meet their nutrient needs for production. We
typically say that these cows are in - Answers - Negative energy balance
When is fat commonly added to the diets of dairy cattle? - Answers - Early lactation and
during heat stress
A late lactation cow should have a ration with what % CP? - Answers - 15 to 16%
Which fiber component is most closely related to digestibility? - Answers - Acid
detergent fiber
,In the lactation cycle of the dairy cow, after calving which peaks first? - Answers - Milk
production
Lactating dairy cows should drink how many gallons of water per pound of milk
produced? - Answers - 1/2
One body condition score in a mature dairy cow equals about how many pounds of
body weight? - Answers - 120
When a lactating dairy cow is at peak milk production, it is very difficult to meet her
nutrient demands. However, it is very important to make sure she has adequate fiber in
her diet. Which VFA, produced from the fermentation of forages, is the precursor for
milk fat synthesis? - Answers - Acetic acid
This metabolic disorder occurs in dairy cattle when body fat or dietary fat is metabolized
faster than tissues can oxidize it for energy. This usually occurs very early in lactation
when cows can't eat enough to meet their demands for milk production. - Answers -
Ketosis
Decrease in dry matter intake and milk production in early lactation are signs of this
disorder which often requires surgery to correct? - Answers - Displaced abomasum
Deficiencies of vitamin E and selenium have been associated with which disorder in
dairy cattle? - Answers - Retained placenta
The most critical period of the year for the ewe flock in terms of nutrition is - Answers -
Late gestation
A Ca:P ratio of less than 2 to 1 will lead to which disorder (which most often results in
death of the lamb)? - Answers - Urinary calculi
Proliferation of Clostridium perfringens in the intestine caused by grain overload in
sheep and goats is called - Answers - Enterotoxemia
When should rams be given grain supplementation and why? - Answers - About 30
days before breeding to get them in good body condition
Which of the following is most limiting for wool growth? - Answers - Energy
When does a ewe have the highest nutrient requirements? - Answers - Lactation
You have a small flock of sheep. One day in late winter, one of your largest ewes
became weak and incoordinate, and went down in a comalike condition. She was in her
last trimester of gestation.
Her breath had a sweetish, nail polish remover smell. Despite receiving several
injections of
, antibiotics, the ewe died. She was one of your best ewes, having had twins for 3 years
in a row.
What did this ewe die of? - Answers - Ketosis
You have an orphan lamb to raise, and Dr. Williams offers you some of her extra calf
milk replacer to help you save some money. Why should you graciously decline her
offer and not use this free milk replacer? - Answers - Calf milk replacer is too low in fat
A deficiency of selenium in sheep is associated with which disease? - Answers - White
muscle disease
(T/F) If given a choice, goats will choose alfalfa over ryegrass - Answers - False
(T/F) True or False: The goal of nutrition in beef cattle production to maximize efficiency
and profit with maximum amounts of input. - Answers - False
(T/F) True or False: Reproduction is the single most important factor affecting
production, and 70 to 80% of reproductive failures are due to nutritional deficiencies. -
Answers - True
Forage intake (as a % of the animal's body weight) as well as when to feed a
supplement is affected by the forage ____ content? - Answers - protein
Beef cattle production in Louisiana is primarily a - Answers - Cow-calf, forage based
system
What body condition score is considered an "ideal" yearly average for beef cows? -
Answers - 5 to 6
2 warm season grasses used in beef cattle production (of course, these can be used for
dairy, small ruminants and horses too! - Answers - Bahia grass and Bermuda grass
_____ is the practice of providing supplemental feed (grain or forage) to nursing calves.
- Answers - Creep feeding
____is the cool season grass utilized heavily for beef cattle in Louisiana (and much of
the Southeast US). - Answers - Ryegrass
How much water does the average beef cow drink? - Answers - 1/2 gallon per pound of
dry matter intake
____ operations grow weaned calves (7-8 months of age weighing 400-600 lbs.) to
suitable feeder weights (700-900 lbs.) utilizing forage based diets. - Answers - Stocker
ANSWERS
First and most important feed given to newborn calf is - Answers - Colostrum
This "first feed" provides the calf with - Answers - energy
protein
antibodies
In selecting a milk replacer for young calves, which of the following are the best sources
or fat and protein? - Answers - Animal fats (lard, tallow, grease), skim milk, and whey
Intake of which feed is most important for stimulating rumen development in the calf? -
Answers - Calf starter
(T/F) Calves should be eating plenty of hay by the time they are 3 weeks old - Answers
- False
The type of feed a calf eats is important for rumen papillae development bc of the
production of which volatile fatty acids? - Answers - Propionic acid and butyric acid
There's a "rule of thumb" we use to determine when we can wean the calf. This rule
states that the calf should be consuming at least____ pounds of calf started per day for
3 consecutive days - Answers - 1.5 pounds
Ionophores which aid in the prevention of coccidiosis and also improve gain and feed
efficiency in calves are _____ - Answers - Monensin and lasalocid
The ideal body condition score for a dairy cow at drying off should be: - Answers - 3.5 to
4
In early lactation, cows can't eat enough to meet their nutrient needs for production. We
typically say that these cows are in - Answers - Negative energy balance
When is fat commonly added to the diets of dairy cattle? - Answers - Early lactation and
during heat stress
A late lactation cow should have a ration with what % CP? - Answers - 15 to 16%
Which fiber component is most closely related to digestibility? - Answers - Acid
detergent fiber
,In the lactation cycle of the dairy cow, after calving which peaks first? - Answers - Milk
production
Lactating dairy cows should drink how many gallons of water per pound of milk
produced? - Answers - 1/2
One body condition score in a mature dairy cow equals about how many pounds of
body weight? - Answers - 120
When a lactating dairy cow is at peak milk production, it is very difficult to meet her
nutrient demands. However, it is very important to make sure she has adequate fiber in
her diet. Which VFA, produced from the fermentation of forages, is the precursor for
milk fat synthesis? - Answers - Acetic acid
This metabolic disorder occurs in dairy cattle when body fat or dietary fat is metabolized
faster than tissues can oxidize it for energy. This usually occurs very early in lactation
when cows can't eat enough to meet their demands for milk production. - Answers -
Ketosis
Decrease in dry matter intake and milk production in early lactation are signs of this
disorder which often requires surgery to correct? - Answers - Displaced abomasum
Deficiencies of vitamin E and selenium have been associated with which disorder in
dairy cattle? - Answers - Retained placenta
The most critical period of the year for the ewe flock in terms of nutrition is - Answers -
Late gestation
A Ca:P ratio of less than 2 to 1 will lead to which disorder (which most often results in
death of the lamb)? - Answers - Urinary calculi
Proliferation of Clostridium perfringens in the intestine caused by grain overload in
sheep and goats is called - Answers - Enterotoxemia
When should rams be given grain supplementation and why? - Answers - About 30
days before breeding to get them in good body condition
Which of the following is most limiting for wool growth? - Answers - Energy
When does a ewe have the highest nutrient requirements? - Answers - Lactation
You have a small flock of sheep. One day in late winter, one of your largest ewes
became weak and incoordinate, and went down in a comalike condition. She was in her
last trimester of gestation.
Her breath had a sweetish, nail polish remover smell. Despite receiving several
injections of
, antibiotics, the ewe died. She was one of your best ewes, having had twins for 3 years
in a row.
What did this ewe die of? - Answers - Ketosis
You have an orphan lamb to raise, and Dr. Williams offers you some of her extra calf
milk replacer to help you save some money. Why should you graciously decline her
offer and not use this free milk replacer? - Answers - Calf milk replacer is too low in fat
A deficiency of selenium in sheep is associated with which disease? - Answers - White
muscle disease
(T/F) If given a choice, goats will choose alfalfa over ryegrass - Answers - False
(T/F) True or False: The goal of nutrition in beef cattle production to maximize efficiency
and profit with maximum amounts of input. - Answers - False
(T/F) True or False: Reproduction is the single most important factor affecting
production, and 70 to 80% of reproductive failures are due to nutritional deficiencies. -
Answers - True
Forage intake (as a % of the animal's body weight) as well as when to feed a
supplement is affected by the forage ____ content? - Answers - protein
Beef cattle production in Louisiana is primarily a - Answers - Cow-calf, forage based
system
What body condition score is considered an "ideal" yearly average for beef cows? -
Answers - 5 to 6
2 warm season grasses used in beef cattle production (of course, these can be used for
dairy, small ruminants and horses too! - Answers - Bahia grass and Bermuda grass
_____ is the practice of providing supplemental feed (grain or forage) to nursing calves.
- Answers - Creep feeding
____is the cool season grass utilized heavily for beef cattle in Louisiana (and much of
the Southeast US). - Answers - Ryegrass
How much water does the average beef cow drink? - Answers - 1/2 gallon per pound of
dry matter intake
____ operations grow weaned calves (7-8 months of age weighing 400-600 lbs.) to
suitable feeder weights (700-900 lbs.) utilizing forage based diets. - Answers - Stocker
