BAP DAIRY EXAM MIZZOU
QUESTIONS AND CORRECT
ANSWERS
When do cows reach their peak in milk production? ✅✅correct answ-60 days
What is the difference between stress and strain ✅✅correct answ-Yes the stress is the milk
producing, but strain is what it does to their body
Where do most of dairy cows energy go? ✅✅correct answ-Towards making milk
What is selection index in dairy cows? ✅✅correct answ-A series of traits that we select for.
Selecting a healthy cow that makes a lot of milk.
What roles to genomics play? ✅✅correct answ-We can increase milk production and conception
rate with this over time because we are selecting for both.
What is the first step in making milk? ✅✅correct answ-Heifer has to get pregnant first. You have
to have a calf to make milk.
What is ovulation? ✅✅correct answ-The release of the female gamete (the egg) from the ovary.
What are the top 5 dairy states? ✅✅correct answ-California, Wisconsin, New York, Pennsylvania,
Idaho
What state has the most dairy cows? ✅✅correct answ-California
What is the average production of milk in the United States? ✅✅correct answ-22,000-25,000lbs
When do cows make the most milk? ✅✅correct answ-Early lactation
What country has the most dairy cows nationally? ✅✅correct answ-India
, When is the first ovulation? ✅✅correct answ-This is when they reach puberty.
When do heifers reach puberty? Why do dairy cows reach puberty before beef? ✅✅correct answ-
8 months of age and that is because they are fed better than beef cows
How often do cows and heifers ovulate? ✅✅correct answ-Every 21 days
Why do we care about puberty? ✅✅correct answ-Heifers generate no income for the farm
because you have to feed them for two years before they start making milk.
When do we breed heifers? ✅✅correct answ-14 months of age so that they can start making milk
as 2 year olds.
What does the cervix do? ✅✅correct answ-Provide a barrier between the vagina and the uterine
body.
Why is the uterine body important? ✅✅correct answ-This is where we deposit sperm in artificial
insemination
What does it mean that the cow has a bicornuate uterus? ✅✅correct answ-It has two uterine
horns joined by the uterine body.
What is the oviduct? ✅✅correct answ-This is the structure at the end of the uterus that leads to
the ovary. It picks up the egg after ovulation and it is important because that is where fertilization
and early embryonic development occur.
What are the two important structures on the ovary? ✅✅correct answ-Corpus luteum and
follicles.
What are the functions of the follicles? ✅✅correct answ-Make estrodial and grow the egg/
ovulate the egg
What are the resting pool of follicles called? ✅✅correct answ-Primordial follicles
QUESTIONS AND CORRECT
ANSWERS
When do cows reach their peak in milk production? ✅✅correct answ-60 days
What is the difference between stress and strain ✅✅correct answ-Yes the stress is the milk
producing, but strain is what it does to their body
Where do most of dairy cows energy go? ✅✅correct answ-Towards making milk
What is selection index in dairy cows? ✅✅correct answ-A series of traits that we select for.
Selecting a healthy cow that makes a lot of milk.
What roles to genomics play? ✅✅correct answ-We can increase milk production and conception
rate with this over time because we are selecting for both.
What is the first step in making milk? ✅✅correct answ-Heifer has to get pregnant first. You have
to have a calf to make milk.
What is ovulation? ✅✅correct answ-The release of the female gamete (the egg) from the ovary.
What are the top 5 dairy states? ✅✅correct answ-California, Wisconsin, New York, Pennsylvania,
Idaho
What state has the most dairy cows? ✅✅correct answ-California
What is the average production of milk in the United States? ✅✅correct answ-22,000-25,000lbs
When do cows make the most milk? ✅✅correct answ-Early lactation
What country has the most dairy cows nationally? ✅✅correct answ-India
, When is the first ovulation? ✅✅correct answ-This is when they reach puberty.
When do heifers reach puberty? Why do dairy cows reach puberty before beef? ✅✅correct answ-
8 months of age and that is because they are fed better than beef cows
How often do cows and heifers ovulate? ✅✅correct answ-Every 21 days
Why do we care about puberty? ✅✅correct answ-Heifers generate no income for the farm
because you have to feed them for two years before they start making milk.
When do we breed heifers? ✅✅correct answ-14 months of age so that they can start making milk
as 2 year olds.
What does the cervix do? ✅✅correct answ-Provide a barrier between the vagina and the uterine
body.
Why is the uterine body important? ✅✅correct answ-This is where we deposit sperm in artificial
insemination
What does it mean that the cow has a bicornuate uterus? ✅✅correct answ-It has two uterine
horns joined by the uterine body.
What is the oviduct? ✅✅correct answ-This is the structure at the end of the uterus that leads to
the ovary. It picks up the egg after ovulation and it is important because that is where fertilization
and early embryonic development occur.
What are the two important structures on the ovary? ✅✅correct answ-Corpus luteum and
follicles.
What are the functions of the follicles? ✅✅correct answ-Make estrodial and grow the egg/
ovulate the egg
What are the resting pool of follicles called? ✅✅correct answ-Primordial follicles
