50-75 Flashcards
What state agency regulates waste management?
Texas commission on environmental quality
A dairy cow that has her feet too far forward(under her belly) is said to be:
Sickle hocked
A very popular dairy management software in Texas is:
Dairy Comp 305
What percent of crude protein should a calf starter be?
16-18
Milk traits, i.e. fat, protein, SNF and etc., tend to have a heritability of about:
20-30%
Research has shown that by formulating lactating cow rations with proper amounts of certain amino acids, we can decrease the crude protein content of the ration and reduce_________?
Nitrogen excretion
How much more energy do fats contain per unit than carbohydrates and proteins?
2.25
Which cows have higher protein requirements?
High producing pregnant cows
About 90% of U.S. dairies use a ________milking schedule.
Twice/day
What does NFO stand for?
National Farmers Organization
Regarding feed formulation, what does CAD stand for?
Cation-Anion Diffrence
Nutritionists have developed a test to compare one alfalfa sample to another, determining the RFV of each. RFV stands for:
Relative Forage Value
An average Holstein cow should give_______pounds per day for each lactation.
50
The hormone BST is given to dairy cows:
After 200 days of lactation
In reference to reproduction, what does CL stand for?
Corpus Luteum
What trait with the only positive genetic correlation to milk production?
Dairy character
The hormone ________stimulates milk let down and may be administered via injection, when necessary after parturition.
Oxytocin
When evaluating dairy rations what do the letters NE stand for?
Net energy
What type of mastitis is the easiest to cure?
Streptococcus agalactae
Fermented forage plants relates to:
Silage
Feeding proper rations during the summer is important for both cow comfort and maintaining milk production. Which nutrient is most important during the summer months?
Water
Approximately how many gallons of blood pass through the udder for each gallon of milk produced?
400-500 gallons
Allelomimetic behavior is defined as:
The tendency for a group of animals to do the same thing at the same time
In a cow, where would you find an alveolus?
Udder
Which of the following is a compartment of the dairy cow’s stomach?
Abomasum
