Term
| Which ovary develops in the chicken? |
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Definition
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Term
| Which oviduct develops in the chicken? |
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Definition
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Term
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Definition
| leftover follicular tissue in mammals that maintains the uterine lining; absent in birds and there’s no equivalent function |
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Term
| the criteria that are needed in the hen to reach sexual maturity |
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Definition
-Age (14-15 weeks)
-photostimulation (12 hours)
-adequate body weight |
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Term
| why ~15 weeks of age is critical for a hen in terms of reaching sexual maturity |
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Definition
| because ~15 weeks, the hypothalmic/pituitary axis matures |
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Term
| how photostimulation factors into egg production |
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Definition
| Photostimulation (long day length) is the message to start egg production |
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Term
| What is unique about the ability of birds to detect presence of light? |
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Definition
| changes in day length stimulate the hypothalamus-pituitary-testicular (HPG) axis |
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Term
| the ovary and its hierarchial follicles |
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Definition
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Term
what part of the ovary is number 1?
[image] |
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Definition
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Term
what part of the ovary is number 2?
[image] |
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Definition
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Term
what part of the ovary is number 3?
[image] |
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Definition
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Term
what part of the ovary is number 4?
[image] |
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Definition
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Term
what part of the ovary is number 5?
[image] |
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Definition
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Term
what part of the ovary is number 6?
[image] |
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Definition
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Term
| depiction of the female reproductive tract |
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Definition
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Term
which part of the female reproductive tract is number 1?
[image] |
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Definition
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Term
which part of the female reproductive tract is number 2?
[image] |
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Definition
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Term
which part of the female reproductive tract is number 3?
[image] |
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Definition
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Term
which part of the female reproductive tract is number 4?
[image] |
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Definition
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Term
which part of the female reproductive tract is number 5?
[image] |
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Definition
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Term
which part of the female reproductive tract is number 6?
[image] |
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Definition
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Term
which part of the female reproductive tract is number 7?
[image] |
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Definition
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Term
which part of the female reproductive tract is number 8?
[image] |
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Definition
| (Albumen-secretion region) |
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Term
which part of the female reproductive tract is number 9?
[image] |
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Definition
Isthmus
(with an incomplete egg) |
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Term
which part of the female reproductive tract is number 10?
[image] |
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Definition
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Term
which part of the female reproductive tract is number 11?
[image] |
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Definition
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Term
which part of the female reproductive tract is number 12?
[image] |
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Definition
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Term
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Definition
| large unpaired tube located along dorsal midline of abdominal cavity between ovary and cloaca. |
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Term
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Definition
| oogenesis and steroidogenesis |
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Term
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Definition
| the follicle contains ovum and yolk material that serves as a nutrient source for the developing embryo |
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Term
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Definition
| site of egg formation and path of sperm migration |
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Term
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Definition
| engulf ovulated ovum and site of fertilization |
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Term
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Definition
| addition of albumen to egg |
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Term
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Definition
| site of inner and outer egg shell membrane deposition |
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Term
| function of egg shell gland |
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Definition
| egg plumping, shell deposition, pigmentation and cuticle addition |
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Term
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Definition
| connects shell gland to cloaca |
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Term
| amount of time the oocyte/egg spends in the infundibulum |
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Definition
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Term
| amount of time the oocyte/egg spends in the magnum |
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Definition
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Term
| amount of time the oocyte/egg spends in the isthmus |
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Definition
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Term
| amount of time the oocyte/egg spends in the uterus (shell gland) |
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Definition
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Term
| amount of time the oocyte/egg spends in the oviduct |
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Definition
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Term
| amount of time the oocyte/egg spends in the vagina |
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Definition
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Term
| boundary between magnum and isthmus |
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Definition
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Term
| when hens put on lots of egg shell and why |
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Definition
| at night because they lay eggs in the morning |
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Term
| depictions of the hypothalamus-anterior pituitary-ovarian axis |
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Definition
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Term
| the different cells of the follicle |
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Definition
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Term
| the role of the theca cells in the follicle |
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Definition
| theca produces estrogen and androgen |
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Term
| the role of the granulosa cells in the follicle |
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Definition
| granulosa produces progesterone |
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Term
| which is more FSH responsive? theca or granulosa? |
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Definition
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Term
| which is more LH responsive? theca or granulosa? |
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Definition
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Term
| Theca of small immature follicles produces... |
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Definition
| primarily estrogens and androgens |
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Term
| Granulosa cells secrete... |
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Definition
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Term
| the feedback that happens with progesterone |
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Definition
| positive feedback on LH release |
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Term
| the feedback that happens with progesterone on LH release |
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Definition
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Term
| An LH surge occurs [this many hours] prior to ovulation in birds |
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Definition
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Term
| An LH surge occurs [this many hours] prior to ovulation in humans |
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Definition
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Term
| the different components of the eggs |
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Definition
-Eggshell
-Outer membrane
-Inner membrane
-Chalaza
-Outer Thin albumen
-Inner Thick Albumen
-Vitelline membrane
-Nucleus of pander
-Germinal disk (blastodisc)
-Yellow yolk
-White yolk
-Chalaziferous Layer
-Chalaza
-Air cell
-Cuticle |
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Term
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Definition
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Term
| the role of the egg shell pores |
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Definition
| breathing, inflow of oxygen, and diffusion of CO2 |
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Term
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Definition
| source of amino acids for the developing embryo |
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Term
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Definition
| source of important fat soluble vitamins and lipids that will help nourish the chick as it develops |
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Term
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Definition
| holds the embryo in place |
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Term
| the role of the germinal disc |
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Definition
| where the female pronucleus is; the disk might help to attract sperm to it |
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Term
| the role of the shell membranes |
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Definition
| holds inside together and serves as a foundation for the deposition of CaCO3 |
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Term
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Definition
| prevents bacteria from getting through the pores in the egg shell |
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Term
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Definition
| number of eggs layed in a row |
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Term
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Definition
| The condition of a hen where she is prepared to sit on eggs for the purpose of incubation and becomes receptive to caring for the young. Hens cease to lay eggs during this period of time. |
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Term
| how is broodiness avoided? |
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Definition
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Term
| why you want to avoid broodiness when egg production is the goal |
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Definition
| because then you have a continuation of lay period with an occasional skip day |
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Term
| the three requirements for successful natural fertilization |
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Definition
1: Long fertilizable life span for ova and/or sperm
2: Accurate synchronization between copulation and ovulation
3: Copulations must occur frequently to ensure viable sperm at the time of ovulation. |
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Term
| which requirements for successful natural fertilization are characteristics of chicken fertilization? |
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Definition
-Long fertilizable life span of ovum
-Long retention of fertilizing capacity by sperm |
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Term
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Definition
| place inside female repro tract to store sperm |
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Term
| where are sperm storage tubules located? |
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Definition
| in the infundibulum and at the utero-vaginal junction |
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Term
| how long can sperm storage tubules store sperm in chickens? |
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Definition
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Term
| how long can sperm storage tubules store sperm in turkeys? |
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Definition
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Term
| Why are we “lucky” that turkey have more SSTs then chicken? |
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Definition
| because turkeys rely on AI |
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Term
| how long does it take for ovulation to occur following oviposition? |
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Definition
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Term
| with ovulation taking about 30 minutes to occur following oviposition, how much time would this give sperm in the utero-vaginal SSTs to reach the infundibulum? |
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Definition
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