2015 SR Exam Questions Flashcards
What breed of dairy cattle comes in colors of red, white and roan?
milking shorthorn
Name a factor that that might be considered when establishing milking groups.
body condition, lactation number, stage of lactation, production, reproductive status
Which volatile fatty acid is the primary source of energy and milkfat?
acetic acid
What are the basic building blocks of carbohydrates?
monosaccharides or simple sugars
Which is more expensive: whole milk, reduced fat milk, or fat-free milk
whole milk
WHich parent determines the sex of the off spring?
sire
What class of milk is used to make butter and milk in dried form?
Class IV
COws that are not cycling properly from a reproductive standpoint are called what?
cystic
Name the season of the year when retained placenta incidence is highest?
summer
WHat term describes a calf that is born where the tail and the butt come first?
breach
As the temperature humidity index rises above what degree, do cows become heat stressed?
64º - 70º
According to Dairy Herd Management, what substance can be used in place of concrete in the floors of bunker silos? Is it typically cheaper than concrete and lasts many years longer.
asphalt
What hormone produced by the corpus luteum is necessary for maintenance of pregnancy?
progesterone
What are the 3 places where pathogenic organisms may gain entry into a newborn calf’s body?
mouth, nose, navel
What is the enzyme that breaks down butterfat?
lipase
What is the hormone released by the pineal gland in response to longer daylight?
melatonin
What does the acronym BTSCC stand for?
bulk tank somatic cell count
What term is given to the percent of services that result in a pregnancy?
conception rate
The Hoard’s Dairy Judging Contest consists of how many classes?
5 classes
How many upper front teeth does a cow have?
0