STUDY
In order to prevent bloat, the feed additive Poloxalene is often added to feed rations for cows that are grazing. Which of the following grazed forages are most likely to cause bloat?
A Turnips and Sudan grass
B Alfalfa and Clover
C Wheat and barley
D Fescue and orchard grass
B Alfalfa and Clover
A cow with high lactation persistence is important for a dairys economic success. Lactation persistency is:
A Cows ability to milk for 500 or more days
B Cows Ability to maintain production under adverse climatic conditions
C Tendency for a cow to milk for more than 30 minutes/milking
D Cows Milk production this month divided by production last month X 100
D Cows Milk production this month divided by production last month X 100
What is the FAS?
A Foreign Agricultural Service
B Finland Agriculture Service
C Final Agriculture Service
D Food and Agriculture Service
A Foreign Agricultural Service
Fumonsin and zearalenone are examples of:
A Carbohydrates
B Vitamins
C Mycotoxins
D Minerals
C Mycotoxins
This bacteria causes Circling Disease in cattle:
A Mycoplasma
B Leucosis
C Salmonella
D Listeria
D Listeria
Rumen bacteria enable dairy cattle to utilize which feed supplement?
A Sodium bicarbonate
B Urea
C Defluorinate phosphate
D Calcium carbonate
B Urea
Cow comfort has been linked to milk production in numerous research studies. Which of the following is NOT an example of a way to improve cow comfort used by dairymen:
A Providing wading pools allowing them to cool off during hot weather
B Allowing them access to their new born calf for the 1st 30 days
C Providing air mattresses for the cows to lay on
D Reducing air flow through the barn during cool weather
B Allowing them access to their new born calf for the 1st 30 days
Proponents of global warming having accused cows of being a major factor. This is due to their release of:
A Gaseous Oxygen
B Argon Gas
C Carbon Dioxide Gas
D Chloride Gas
C Carbon Dioxide Gas
Nutritionists have developed a test to compare one alfalfa sample to another, determining the RFV of each. RFV stands for:
A Real Food Value
B Risk for Value
C Relative Forage Value
D Regulative Free Velocity
C Relative Forage Value
How many days after breeding can a pregnancy be detected by ultrasound?
A Before 14 days
B Between 28 to 30 days
C Between 30 and 55 days
D Between 14 and 28 days
B Between 28 to 30 days
The rear quarters produce ________ % of the daily milk yield.
A 80%
B 60%
C 20%
D 40%
B 60%
The milk produced on a dairy must be moved through a system of components and piping made from:
A High carbon steel
B Galvanized steel
C Fiberglass
D Stainless steel
D Stainless steel
Reduced gestation length and retained placenta typically are the first symptoms of ________ vitamin deficiency
A Vitamin D
B Vitamin A
C Vitamin K
D Vitamin B
B Vitamin A
What is the most essential nutrient in animal feeding animals and maintaining health?
A Vitamins
B Minerals
C Water
D Protein
C Water
The portion of the milker unit that first receives the milk as it is withdrawn from the cow is the:
A Low line
B Receiver jar
C Claw
D Milk meter
C Claw
Coccidia infection can occur when calves are 4 to 8 weeks old. Coccidia causes:
A Pneumonia
B IBR
C BVD
D Enteritis
D Enteritis
About 90% of U.S. dairies use a ________ milking schedule.
A Once/day
B Three times/day
C Milk on Demand
D Twice/day
D Twice/day
Adequate consumption of long fiber roughage is important to both milk production and herd heath. A long fiber roughage is one that is:
A Less than 1 inch long
B Longer than 1.5 inches
C Longer than 6 inches
D Longer than 12 inches
B Longer than 1.5 inches
How many chromosomes does the nucleus of each reproductive cell have in dairy cattle?
A 30
B 24
C 15
D 32
A 30
Cows that are at risk of developing ketosis can be fed what vitamin to help prevent ketosis?
A Zinc
B B-complex
C Vitamin-C
D Niacin
D Niacin
What
is lactogenesis?
A The initiation of milk secretion
B The initiation of estrus
C The initiation of mastitis
D The cessation of milk production
A The initiation of milk secretion
The most costly form of mastitis is?
A Subclinical
B Clinical
C Chronic
D Acute
A Subclinical
Heritability for milk production in dairy cattle is:
A 80%
B 50%
C 5%
D 30%
D 30%
Colostrum given to a baby calf more than ________ hours old is NOT absorbed and thus does little good.
A 48
B 6
C 12
D 24
D 24
Which one of the following is NOT classified as a water soluble-vitamin?
A Vitamin A
B Niacin
C Biotin
D Folic acid
A Vitamin A