SUBJECTS
|
BROWSE
|
CAREER CENTER
|
POPULAR
|
JOIN
|
LOGIN
Business Skills
|
Soft Skills
|
Basic Literacy
|
Certifications
About
|
Help
|
Privacy
|
Terms
|
Email
Search
Test your basic knowledge |
Dairy Cattle And Reproduction
Start Test
Study First
Subjects
:
industries
,
dairy
Instructions:
Answer 50 questions in 15 minutes.
If you are not ready to take this test, you can
study here
.
Match each statement with the correct term.
Don't refresh. All questions and answers are randomly picked and ordered every time you load a test.
This is a study tool. The 3 wrong answers for each question are randomly chosen from answers to other questions. So, you might find at times the answers obvious, but you will see it re-enforces your understanding as you take the test each time.
1. Cycle that lasts weeks (ovulation->hormone cycles->ovulation)
Brown Swiss Cow
vagina
estrous
Bull's fibro-elastic penis
2. Cycle that lasts weeks (ovulation->hormone cycles->ovulation)
cow ovulation
estrous
age and castration
Parturition
3. Cleans and lubricates the urethra ahead of the sperm. (if not - the urine in the urethra has a high salt content and would cause sperm to rupture and die)
Hard
prostate gland
ewe's estrous cycle
Dairy calves are removed from cow at birth to...
4. Earlier you castrate a male - the easier it is on the animal. the longer you wait - death rates increase
Follical Stimulating in females
rectal palpation (BSE)
age and castration
sow ovulation
5. Failure to have one testis (gonad) to descend
monorchid
cow estrus cycle
mare ovulation
effects of estrogen
6. Pulls sperm and egg together - gets body ready for pregnany - stimulates growth cells - develops mammary glands - starts to deposit fat.
things to check for in a breeding soundness exam (BSE)
effects of estrogen
kidney stones also called ________ ___________ can develop in the sigmoid flexure
stag
7. 1. sperm is not implanted in egg until hours after breeding. 2. fetal growth has not yet finished.
sertoli cells
Reasons for gestation length being affected
scrotal circumference (BSE)
eminal vesicles
8. Milk made by mother which includes antibodies for the calf. MUST be given to the calf within the first 24 hrs of life. also provides calf with energy stores. effectiveness lasts from 4-8 months of age.
~1 month
penis and prepuce observation (BSE)
Blood
colostrum
9. Milk ~305 days - dry 60 days prior to calving
hormones
1. more cost effective - 2. powdered milk is in excess production
Dairy Cattle milking schedule
you want as much sperm as possible to come in contact with the egg before ovulation. the main idea is to have the sperm already in the oviduct when the egg passes through
10. 1. brain function - 2. blood flow - 3. willing female
dry-off time in dairy cattle
urethra
what has to happen for males for copulation to occur
estrous
11. FEED
Hard
seminiferous tubules
Dairy Cattle Lactation (standard)
#1 cost in production
12. Actual heat cycle (period)
estrous
estrus
behavioral signs of estrus
Size of cow in relation to the amount of milk produced
13. 30 hours after estrus begins
mare's estrous cycle
cow ovulation
6-8 weeks
Size of cow in relation to the amount of milk produced
14. What about the sperm for a bull which has been castrated but still has testicles?
penis proper
mare estrus cycle
Brown Swiss Cow
Testicles will produce testosterone but not sperm. Bull will attempt to mate - but will be sterile
15. Days which have increasing daylight hours
Warning
: Invalid argument supplied for foreach() in
/var/www/html/basicversity.com/show_quiz.php
on line
183
16. Serves as a bone cradle for the reproductive system. used greatly in palpation as a 'landmark'.
pelvis
estrus
reason for seasonal breeding periods
1. more cost effective - 2. powdered milk is in excess production
17. Look for infection - split - and rupture of the penis
sow estrus
femininity of a heifer
penis and prepuce observation (BSE)
prostate gland
18. % of fat in milk. makes cheeses and ice cream. regulates cost of milk
Brown Swiss Cow
oviducts
butterfat
pelvis
19. Depository for semen during insemination. where urine leaves the body
uterus
femininity of a heifer
castration
vagina
20. (FSH) causes egg to mature in females
testis (gonads)
Follical Stimulating in females
Sperm survival specs
cow estrus cycle
21. Why does estrus happen before ovulation?
penis sizes vs delivering methods
rectal palpation (BSE)
why does the cow need fat deposits during pregnancy?
you want as much sperm as possible to come in contact with the egg before ovulation. the main idea is to have the sperm already in the oviduct when the egg passes through
22. The more stressed out the male is - the less sperm he is going to produce
cryptorchid
Grading choice
Hormones from both the fetus and the mom.
humans: stress level vs sperm
23. BST given to dairy cattle makes the mammary gland more persistent - helps produce more milk. good as Long-term because it does not cause cow to bulk up - provides more milk/cow Which means less cows needed - less cows need to be given feed - lower co
ewe estrus
1. more cost effective - 2. powdered milk is in excess production
Jersey Cow
effects of BST
24. 1-3 days
ewe's estrous cycle
mare estrus
Follical Stimulating in males
sow estrus
25. % of fat in milk. makes cheeses and ice cream. regulates cost of milk
humans: stress level vs sperm
~1 month
butterfat
cryptorchid
26. Knife-loose ~1wk of growth. band-loose ~2wks of growth.
growth lost from castration methods (knife & band)
seasonally polyestrous
mare estrus cycle
Culls bulls earlier (2 reasons)
27. What helps regulate spermatogenesis?
testosterone
Brown Swiss Cow
libido test (BSE)
epididymis: definition - 3 parts - 4 functions
28. 19-23 (21) days
sow ovulation
mare's estrous cycle
mare ovulation
sow estrus cycle
29. Failure to have one testis (gonad) to descend
pelvis
epididymis: definition - 3 parts - 4 functions
penis sizes vs delivering methods
monorchid
30. 14-19 (17) days
ewe estrus cycle
Holstein Cow
things to check for in a breeding soundness exam (BSE)
cremaster muscle
31. 1-2 days
ewe estrus
prostate gland
cryptorchid
eminal vesicles
32. Small tubes located at the upper ends of the uterine horns. connects uterine horn to infundibulum. passageway of the egg.
accessory sex glands
organs used in spermatogenesis
spermatogenesis
oviducts
33. Urinary calculi.
penis and prepuce observation (BSE)
kidney stones also called ________ ___________ can develop in the sigmoid flexure
cow estrus
Lutinizing Hormone in females
34. Animals which have only one estrous cycle (ex: dog - fox)
Dairy Cattle Lactation (standard)
oviducts
sow estrus
monestrous
35. When are dairy cattle dehorned?
~1 month
what has to happen for males for copulation to occur
Hard
Dairy calves are removed from cow at birth to...
36. Hold the penis in the bulls body when not in use. releases penis before ejaculation or urination.
Where livelihood is in agriculture
Parturition
kidney stones also called ________ ___________ can develop in the sigmoid flexure
retractor muscles
37. 1. bring in new genes - 2. replace males with leg problems (difficulty breeding) Note: culling has a much greater emphasis in the dairy industry vs the beef industry.
Culls bulls earlier (2 reasons)
dairy cattle pregnancy check
Hormones from both the fetus and the mom.
growth lost from castration methods (knife & band)
38. 147 days
pelvis
Holstein Cow
rectal palpation (BSE)
ewe gestation
39. Important 'landmark' during palpation
behavioral signs of estrus
Testicles will produce testosterone but not sperm. Bull will attempt to mate - but will be sterile
cervix
4 major reasons for culling dairy cows
40. 45-60 days after breeding; re-breed as required
dairy cattle pregnancy check
mare estrus
mare gestation
you want as much sperm as possible to come in contact with the egg before ovulation. the main idea is to have the sperm already in the oviduct when the egg passes through
41. Not being bred back into herd. horses are seasonal breeders vs. cows as anytime breeders
dry matter and water
cow ovulation
Mares
libido test (BSE)
42. Why Dairy calves are fed powdered milk.
sigmoid flexure
hormones
1. more cost effective - 2. powdered milk is in excess production
Size of cow in relation to the amount of milk produced
43. Prevent the cow from getting an infection from the calve
Bull's fibro-elastic penis
Dairy calves are removed from cow at birth to...
mare ovulation
behavioral signs of estrus
44. Castration tool that uses a band around the testicles which cuts off circulation and eventually the testicles fall off
things to check for in a breeding soundness exam (BSE)
elastrator
semen evaluation (BSE)
penis sizes vs delivering methods
45. 1. sperm is not implanted in egg until hours after breeding. 2. fetal growth has not yet finished.
~1 month
leydid or interstitial cells
hormones
Reasons for gestation length being affected
46. Failure to have both testis (gonads) descend
visual evaluation (BSE)
leydid or interstitial cells
cryptorchid
feeding a high producing dairy cow
47. 114 days
hypothalamus and pituitary gland
seasonally polyestrous
what has to happen for males for copulation to occur
sow gestation
48. 1. seminiferous tubules - 2. sertoli cells - 3. leydid or interstitial cells
sow estrus
organs used in spermatogenesis
Reasons for gestation length being affected
penis and prepuce observation (BSE)
49. Located directly in front of the cervix. fertilized egg implants here. connected to two uterine horns. implantation occurs on the same side as ovulation occurred.
butterfat
uterus
sow gestation
spermatogenesis
50. (male) pushes the testes upward toward the body for warmth or protection
dartos muscle
mastitis
ewe estrus
sow ovulation