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. (male) pushes the testes upward toward the body for warmth or protection
Dairy Cattle Lactation (standard)
dartos muscle
functions of progestrone
testosterone
2. 1-3 days
cryptorchid
Size of cow in relation to the amount of milk produced
sow estrus
Mares
3. Start of the reproductive tract for the female. located outside of the body
Jersey Cow
cryptorchid
vulva
scrotal circumference (BSE)
4. Luteolysis happens because of the ____________ hormone
Reasons for gestation length being affected
mare estrus cycle
cervix
prostaglandin
5. Implies the amount of estrogen production
retractor muscles
cremaster muscle
ewe ovulation
femininity of a heifer
6. 1. reproduction - 2. mastitis/udder problems - 3. low milk production - 4. soundness/poor feet and legs (living on concrete)
testis (gonads)
cow estrus cycle
Blood
4 major reasons for culling dairy cows
7. Way to know everything is alright with the breeding male
purpose of Breeding Soundness Exam (BSE) for males
penis sizes vs delivering methods
why does the cow need fat deposits during pregnancy?
prostaglandin
8. Start of the reproductive tract for the female. located outside of the body
Dairy Cattle Lactation (standard)
Lutinizing Hormone in females
pelvis
vulva
9. What makes the milk flow through the mammary glands?
growth lost from castration methods (knife & band)
Follical Stimulating in females
Blood
Mares
10. Supply nutrients for the sperm following ejaculation and deposition into the female reproductive tract
spermatogenesis
Lutinizing Hormone in females
eminal vesicles
kidney stones also called ________ ___________ can develop in the sigmoid flexure
11. To remove/separate testicles from animal's body before animal reaches puberty
castration
mare estrus cycle
Hormones from both the fetus and the mom.
visual evaluation (BSE)
12. (male) Primary sex organ - produces sperm (male gamete) and male sex hormones - 2 total
vulva
sertoli cells
sow estrus cycle
testis (gonads)
13. What about the sperm for a bull which has been castrated but still has testicles?
Dairy Cattle Gestation
Dairy calves are removed from cow at birth to...
Testicles will produce testosterone but not sperm. Bull will attempt to mate - but will be sterile
things to check for in a breeding soundness exam (BSE)
14. When are dairy cattle dehorned?
Dairy Cattle Lactation (standard)
sigmoid flexure
~1 month
6-8 weeks
15. Important 'landmark' during palpation
hypothalamus and pituitary gland
mare ovulation
cervix
sow ovulation
16. Luteolysis happens because of the ____________ hormone
cow estrus cycle
cow estrus cycle
prostaglandin
estrous
17. Small tubes located at the upper ends of the uterine horns. connects uterine horn to infundibulum. passageway of the egg.
oviducts
Hormones from both the fetus and the mom.
hormones
butterfat
18. Implies the amount of estrogen production
6-8 weeks
testis (gonads)
femininity of a heifer
#1 cost in production
19. Head - neck - mid-piece - tail. genetic material - has an enzyme covering that allows it to penetrate the egg
colostrum
sow estrus cycle
sperm cell
reason for seasonal breeding periods
20. Not being bred back into herd. horses are seasonal breeders vs. cows as anytime breeders
scrotal circumference (BSE)
sow gestation
testis (gonads)
Mares
21. 19-23 (21) days
mare estrus
cryptorchid
semen evaluation (BSE)
sow estrus cycle
22. Head - neck - mid-piece - tail. genetic material - has an enzyme covering that allows it to penetrate the egg
cow estrus cycle
sow estrus
sperm cell
hypothalamus and pituitary gland
23. Reproduction. more offspring leads to more feed costs - but is offset by reproduction numbers
testosterone
Where livelihood is in agriculture
sow gestation
estrous
24. Pulls sperm and egg together - gets body ready for pregnany - stimulates growth cells - develops mammary glands - starts to deposit fat.
monorchid
behavioral signs of estrus
effects of estrogen
Bull's fibro-elastic penis
25. % of fat in milk. makes cheeses and ice cream. regulates cost of milk
estrus
things to check for in a breeding soundness exam (BSE)
butterfat
Hormones from both the fetus and the mom.
26. Allows extension of penis without fibro-elastic penis
sigmoid flexure
reasons for castration
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
sow estrus
27. 1. visual evaluation - 2. scrotal circumference - 3. penis and prepuce observation - 4. rectal palpation - 5. libido test - 6. semen evaluation
reasons for castration
Jersey Cow
ewe's estrous cycle
things to check for in a breeding soundness exam (BSE)
28. (FSH) helps to regulate puberty - needed every day - stimulates the sertoli cells to produce nutrients for the sperm
accessory sex glands
Parturition
Follical Stimulating in males
mare estrus cycle
29. 30 hours after estrus begins
sow estrus
cow ovulation
Size of cow in relation to the amount of milk produced
Bull's fibro-elastic penis
30. (FSH) causes egg to mature in females
prostate gland
femininity of a heifer
Follical Stimulating in females
Culls bulls earlier (2 reasons)
31. Castration tool that uses a band around the testicles which cuts off circulation and eventually the testicles fall off
rectal palpation (BSE)
reason for seasonal breeding periods
spermatogenesis
elastrator
32. 1. seminiferous tubules - 2. sertoli cells - 3. leydid or interstitial cells
organs used in spermatogenesis
dry-off time in dairy cattle
cervix
burdizzo
33. (LH) stimulates the Leydig cells to produce testosterone
Parturition
testis (gonads)
humans: stress level vs sperm
Lutinizing Hormone in males
34. 14-19 (17) days
ewe's estrous cycle
Hormones from both the fetus and the mom.
ewe estrus cycle
4 major reasons for culling dairy cows
35. Why Dairy calves are fed powdered milk.
1. more cost effective - 2. powdered milk is in excess production
femininity of a heifer
~1 month
cow ovulation
36. Contains and regulates the temp of the testes for sperm production
scrotum
dairy cattle pregnancy check
Holstein Cow
rectal palpation (BSE)
37. Standing to be mounted (last one able to notice); mounting other animals; social behavior-restless - gregarious - activity - vocalizing; frequent urination; mucous discharge
1. more cost effective - 2. powdered milk is in excess production
Bull's fibro-elastic penis
behavioral signs of estrus
Testicles will produce testosterone but not sperm. Bull will attempt to mate - but will be sterile
38. Pulls sperm and egg together - gets body ready for pregnany - stimulates growth cells - develops mammary glands - starts to deposit fat.
van deferens
~1 month
effects of estrogen
elastrator
39. Failure to have one testis (gonad) to descend
estrous
rectal palpation (BSE)
monorchid
cow estrus cycle
40. ~60 days before calving
ewe's estrous cycle
Mares
dry-off time in dairy cattle
kidney stones also called ________ ___________ can develop in the sigmoid flexure
41. Animal which has been castrated after puberty
Holstein Cow
stag
dry-off time in dairy cattle
prostaglandin
42. 1. seminiferous tubules - 2. sertoli cells - 3. leydid or interstitial cells
Dairy Cattle milking schedule
#1 cost in production
organs used in spermatogenesis
Dairy Cattle milking schedule
43. Knife-loose ~1wk of growth. band-loose ~2wks of growth.
ewe estrus cycle
growth lost from castration methods (knife & band)
penis and prepuce observation (BSE)
mare estrus
44. Failure to have one testis (gonad) to descend
ewe gestation
monorchid
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
colostrum
45. 1. to eliminate breeding the females at an early age - 2. makes animals less lean and provides a better cut for the market
cow gestation
urethra
reasons for castration
sow estrus
46. Birthing process (termination of gestation)
visual evaluation (BSE)
monestrous
Parturition
mare gestation
47. Failure to have both testis (gonads) descend
scrotum
mare ovulation
cryptorchid
mare gestation
48. Hold the penis in the bulls body when not in use. releases penis before ejaculation or urination.
polyestrous
retractor muscles
Where livelihood is in agriculture
cryptorchid
49. (LH) causes female's egg to break (her period)
Lutinizing Hormone in females
ewe gestation
4 major reasons for culling dairy cows
polyestrous
50. Larger the cow - more milk is produced; smaller the cow - less milk is produced
penis sizes vs delivering methods
Size of cow in relation to the amount of milk produced
Lutinizing Hormone in females
Sperm growth rate