I really desperately need help with some questions from my dairy science class.
ID: 42131 • Letter: I
Question
I really desperately need help with some questions from my dairy science class. I just need simple answers to these questions (a sentence or two at most, not a paragraph. Maybe a just a phrase).
These are on th study guide for our test but a majority of the answers are not on the lecture slides. PLEASE HELP
1. Where does fertilization of the ova occur in the dairy cow?
2. What cell layer in the follicle grows and becomes the corpus luteum?
3. Where is semen placed in the reproductive tract during artificial insemination?
4. How long does it take sperm to travel up the reproductive tract to the oviduct?
5. When does the embryo reach the uterus during pregnancy in the cow?
6. When does the bovine embryo
Explanation / Answer
1. fertilization of ova occurs in the ampula of the oviduct in the dairy cow
2. theca leutinise cells leyar of the follicle will develop into corpus leutueum
3. semen is deposited through the uterus into the gential tract to the oviduct , naturally it is takes place in vagina
4. it will take upto three hours to 6 hrs based on the motility of the sperm
5. the embryo reach as quickly as 15 minutes after fertilization
6. it occurs in uterus , after 9 to 11 days
7. the embryo which is present in the womb during pregnancy
8. maternal tissues and placenta is called placentome
9. it is through the chorn villi of the uterine hrons
10. coteledon is the fetal side of placenta , carnucle is the maternal layer contact sites placenta
11. ectoderm ,mesoderm and endoderm
12.yolksac ,amnion and allantois
13 amnion act as protective layer and chorion it is attched to mother
14.six layers
15 uterus
16. markers method , becon method ,
17.bleeding which occurs after estrus cycle
18. extradiol , ING , HNG
19. formation and structural formation of layers in the placenta
20 cotlydenory
21. trophoblast cells
22. pregnancy specific protein B