Pierce (Blinn College) questions well
answered
Semen is most commonly packaged and stored in .5ml units called? - correct answer ✔✔
French Straws
Hormones involved in parturition. - correct answer ✔✔ Relaxin - Relaxes the pelvic opening,
allows for it to become more elastic and
stretch.
Oxytocin - 2 purposes
Milk Letdown response
Uterine contractions
First recorded research in A.I. was done in what year? - correct answer ✔✔ 1780
Most common technique used in A.I. of cattle. - correct answer ✔✔ Cervical Fixation
Average length of estrous cycle in cattle - correct answer ✔✔ 18-21 days
CIDR - correct answer ✔✔ Used to force heat
control internal drug release
,When entering a cow for A.I. the gun should be pointed in a ________ position? - correct
answer ✔✔ - Upward
First recorded embryo transfer was performed on what kind of animal. - correct answer ✔✔ -
Rabbit, 1890
What hormone would be at a high level in a pregnant cow? - correct answer ✔✔ - Progesterone
What is the average life span of eggs and sperm? - correct answer ✔✔ - Eggs 12 Hours
- Sperm 30 Hours
What percent of frozen cattle semen survives the thawing process? - correct answer ✔✔ - 50%
What collection method in cattle yields the highest quality and quantity of semen? - correct
answer ✔✔ - A.V.
What is a SAG group in cattle? - correct answer ✔✔ - Sexual Active Group
How so estrus synchronization products work? - correct answer ✔✔ - Eliminate Progesterone
and increase FSH
- Getting rid of the CL body to enhance FSH
How many days of FSH shots does a cow receive for an embryo transfer? - correct answer ✔✔ -
4 days, 2 shots per day, 8 total shots
what is added to semen ( what is in the extender) and the functions of each - correct answer
✔✔ - food source: egg yolk/ citrate
- cryoprotectant glycerol: help crystals form in layers
,- antibiotics
1. fructose- energy source
2. double distilled water-adds volume
3. antibiotics- prevents bacteria
4. glycerol- prevents rupture when frozen
5. egg yolks- nutrition and elasticity of cell membrane
Animal Nutrition: Feeding - correct answer ✔✔ - Involves more than just placing any available
feed
before the animals
- Domesticated animals, like humans require good
nutrition for growth and maintenance of their
bodies
- Must meet bodily need BUT do it as cost effective
as possible
when and why does a newborn calf need colostrum? quizlet - correct answer ✔✔ first excretion
of the mammary gland produced. it is an antibody rich and provides passive immunity to calf
What's the AM/PM rule? - correct answer ✔✔ - Whenever the cow comes into standing heat
you A.I. it 12 hours later
Name the tools that can be used in heat detection. - correct answer ✔✔ - grease pencil
- KMAR patches
- estrus detect strips
- gomer/teaser bull w/ marking harness
, - androgenized cow w/ harness
- heat watch system
Management tool that can be used to delay parturition in cattle to daylight hours? - correct
answer ✔✔ feed at night
(feed them late at night to delay parturition)
10 pm
What is the most practical ( speed and economics ) to determine pregnancy in cattle? - correct
answer ✔✔ - Rectal Palpation
Food VS. Feed - correct answer ✔✔ - Food: Humans
- Feed: Livestock/ Animals
Feed - correct answer ✔✔ - A substance which after ingestion and digestion
by the animal provides nutrients which are
absorbed and utilized by the animal for:
- Maintenance
- Fattening
- Reproduction
- Lactation
- ETC.
Concentrate - correct answer ✔✔ - A feedstuff is high in energy and low in fiber
concentrates are 60-90% digestible (protein,