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. Start of the reproductive tract for the female. located outside of the body
vulva
Testicles will produce testosterone but not sperm. Bull will attempt to mate - but will be sterile
cow ovulation
cow estrus cycle
2. Scar tissue plugs up chambers of udder
van deferens
uterus
mastitis
Dairy Cattle milking schedule
3. Birthing process (termination of gestation)
Follical Stimulating in males
Parturition
mastitis
age and castration
4. (LH) causes female's egg to break (her period)
ewe gestation
Lutinizing Hormone in females
ewe estrus cycle
monestrous
5. What makes the milk flow through the mammary glands?
Blood
Reasons for gestation length being affected
castration
penis sizes vs delivering methods
6. Male on one pin and female on other side
pelvis
Sperm growth rate
normal presentation of the fetus
libido test (BSE)
7. ~305 days (altough often longer due to breeding difficulties)
reason for seasonal breeding periods
butterfat
cow gestation
Dairy Cattle Lactation (standard)
8. (from Jersey Islands in Great Britain) Smallest cow - least milk - highest butterfat %
Dairy calves are removed from cow at birth to...
Parturition
ewe ovulation
Jersey Cow
9. Head - neck - mid-piece - tail. genetic material - has an enzyme covering that allows it to penetrate the egg
sperm cell
Mares
feeding a high producing dairy cow
prostaglandin
10. 45-60 days after breeding; re-breed as required
Parturition
penis proper
dairy cattle pregnancy check
normal presentation of the fetus
11. Help to signal hormone levels which we need both in the brain right next to each other.
butterfat
Dairy calves are removed from cow at birth to...
ewe estrus
hypothalamus and pituitary gland
12. Produce testosterone. located between the seminiferous tubules
sow estrus cycle
Dairy Cattle Gestation
Dairy calves are removed from cow at birth to...
leydid or interstitial cells
13. Why Dairy calves are fed powdered milk.
1. more cost effective - 2. powdered milk is in excess production
mare estrus
rectal palpation (BSE)
Bull's fibro-elastic penis
14. Cycle that lasts weeks (ovulation->hormone cycles->ovulation)
Bull's fibro-elastic penis
cowper's gland
estrous
growth lost from castration methods (knife & band)
15. 1. need to be restricted in amt of grain - 2. no more than 70% of ration can be concentrates. 3. *Acidic acid has to be produced in order for milk synthesis to occur (30% forages)
prostate gland
Blood
uterus
feeding a high producing dairy cow
16. 45-60 days after breeding; re-breed as required
Avg. bull specs
Where livelihood is in agriculture
Blood
dairy cattle pregnancy check
17. Animals which have only one estrous cycle (ex: dog - fox)
epididymis: definition - 3 parts - 4 functions
Reasons for gestation length being affected
monestrous
Bull's fibro-elastic penis
18. Gonadotropic (GnRH) is (FSH and LH). Follical Stimulating (FSH) and Lutinizing Hormone (LH).
Follical Stimulating in females
hormones
ewe estrus cycle
cow ovulation
19. Gonadotropic (GnRH) is (FSH and LH). Follical Stimulating (FSH) and Lutinizing Hormone (LH).
effects of BST
hormones
ewe's estrous cycle
reason for seasonal breeding periods
20. Examine accessory glands - also to know how big the pelvic opening is->heritable->relates to how much dystocia that bull's daughter has
4 major reasons for culling dairy cows
femininity of a heifer
rectal palpation (BSE)
seminiferous tubules
21. (LH) stimulates the Leydig cells to produce testosterone
prostaglandin
normal presentation of the fetus
Lutinizing Hormone in males
mare gestation
22. Milk ~305 days - dry 60 days prior to calving
Dairy Cattle milking schedule
growth lost from castration methods (knife & band)
semen evaluation (BSE)
elastrator
23. 1-3 days
accessory sex glands
Hormones from both the fetus and the mom.
cow estrus
sow estrus
24. To remove/separate testicles from animal's body before animal reaches puberty
castration
hypothalamus and pituitary gland
cervix
Dairy Cattle Gestation
25. Knife-loose ~1wk of growth. band-loose ~2wks of growth.
growth lost from castration methods (knife & band)
testis (gonads)
hormones
penis and prepuce observation (BSE)
26. Animals which have only one estrous cycle (ex: dog - fox)
monestrous
cow gestation
Avg. bull specs
vulva
27. Days which have decreasing daylight hours
Warning
: Invalid argument supplied for foreach() in
/var/www/html/basicversity.com/show_quiz.php
on line
183
28. Duct through penis that carries sperm and urine
seminiferous tubules
urethra
hypothalamus and pituitary gland
sow estrus
29. So when offspring are born - there is more food to be found for energy stores and fat deposits IN THE SPRING
4 major reasons for culling dairy cows
reason for seasonal breeding periods
Jersey Cow
accessory sex glands
30. Not under a timeline - cow can not be sold as steak
purpose of Breeding Soundness Exam (BSE) for males
Grading choice
#1 cost in production
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
31. Luteolysis happens because of the ____________ hormone
libido test (BSE)
polyestrous
prostaglandin
Sperm growth rate
32. Pulls sperm and egg together - gets body ready for pregnany - stimulates growth cells - develops mammary glands - starts to deposit fat.
dartos muscle
effects of estrogen
prostate gland
6-8 weeks
33. 1. brain function - 2. blood flow - 3. willing female
Bull's fibro-elastic penis
mastitis
what has to happen for males for copulation to occur
cremaster muscle
34. Serves as a bone cradle for the reproductive system. used greatly in palpation as a 'landmark'.
prostaglandin
4 major reasons for culling dairy cows
pelvis
ewe gestation
35. Duct which connects epididymis to urethra of the penis. transports sperm at ejaculation. cut to sterilize male.
pelvis
prostate gland
van deferens
prostate gland
36. Can survive ~7 days in cow. vast majority <48 hours
Sperm survival specs
reason for seasonal breeding periods
Sperm growth rate
things to check for in a breeding soundness exam (BSE)
37. Indicator of sperm production. the bigger the scrotal circumference the bigger volume of sperm because more seminal vesicles available to produce the sperm
scrotal circumference (BSE)
hypothalamus and pituitary gland
Hard
sow gestation
38. What about the sperm for a bull which has been castrated but still has testicles?
testosterone
hypothalamus and pituitary gland
Hard
Testicles will produce testosterone but not sperm. Bull will attempt to mate - but will be sterile
39. Examine accessory glands - also to know how big the pelvic opening is->heritable->relates to how much dystocia that bull's daughter has
rectal palpation (BSE)
monorchid
dry matter and water
Parturition
40. 19-23 (21) days
cow gestation
cow estrus cycle
humans: stress level vs sperm
cryptorchid
41. Not being bred back into herd. horses are seasonal breeders vs. cows as anytime breeders
Dairy Cattle Lactation (standard)
uterus
Sperm growth rate
Mares
42. 147 days
hormones
castration
ewe gestation
cowper's gland
43. Boars and stallions-> deliver semen directly into the cervix. bulls and rams-> deliver semen into the vagina.
penis sizes vs delivering methods
Where livelihood is in agriculture
seasonally polyestrous
Hard
44. (male) Primary sex organ - produces sperm (male gamete) and male sex hormones - 2 total
libido test (BSE)
behavioral signs of estrus
eminal vesicles
testis (gonads)
45. Depository for semen during insemination. where urine leaves the body
epididymis: definition - 3 parts - 4 functions
#1 cost in production
vagina
1. more cost effective - 2. powdered milk is in excess production
46. Failure to have both testis (gonads) descend
hypothalamus and pituitary gland
mare ovulation
cryptorchid
van deferens
47. 14-19 (17) days
sow estrus
leydid or interstitial cells
ewe estrus cycle
spermatogenesis
48. Allows extension of penis without fibro-elastic penis
cremaster muscle
age and castration
sigmoid flexure
things to check for in a breeding soundness exam (BSE)
49. Animal which has been castrated after puberty
age and castration
seminiferous tubules
stag
Culls bulls earlier (2 reasons)
50. (FSH) causes egg to mature in females
mare gestation
prostate gland
Follical Stimulating in females
dartos muscle