Term
|
Definition
| the bull, ram, stallion and boar |
|
|
Term
| Conditions that can improve collection |
|
Definition
stimulus pressure
training and adaptability of the male
mount animal or dummy
proper artificial vagina
skillful manipulation by the tech |
|
|
Term
| Electroejaculation species and penis type and when used |
|
Definition
bull and ram, fibroelastic penis
unable or unwilling to mount |
|
|
Term
| definition of an extender |
|
Definition
| connotes extension of semen to increase # of insemination units and increase length of time in usage |
|
|
Term
|
Definition
| pabulum, buffer, diluent, diluter |
|
|
Term
| homogenized milk extender |
|
Definition
| opaque, makes motility rating difficult |
|
|
Term
|
Definition
| yolk-citrate, usually mix of yolk and buffer, most common combined with glycerol |
|
|
Term
| Cornell University extender |
|
Definition
| poor microscopic visibility and no freezing |
|
|
Term
| What is the point of an extender? |
|
Definition
| to preserve the semen for one to several days |
|
|
Term
Bull semen
stallion semen
boar semen
ram semen |
|
Definition
most successful
more successful in fluid
fluid
fluid and frozen |
|
|
Term
| what were important things in the procedure? |
|
Definition
| centrifuge and remove 5 mL of supernatant, cool to room temp |
|
|
Term
| what were the three extenders used? |
|
Definition
| sodium citrate, egg yolk, skim milk |
|
|
Term
|
Definition
| cuffed cannula, second tube - 3 way fluid inlet, outlet and air line |
|
|
Term
|
Definition
| occlusion by 2-3 lumen catheter and ebb and flow system |
|
|
Term
|
Definition
| 3 lumen catheter and circulation system of flushing |
|
|
Term
|
Definition
| uterine trauma and infection but can be controlled with dual cannula system |
|
|
Term
| What is one reason that it seems less viable? |
|
Definition
| lower percentage of viable embryos recovered |
|
|
Term
|
Definition
increasing the # of flushes
gravity flow medium reservoir
use of embryo culture medium supplemented with protein |
|
|
Term
| What are important steps in the process? |
|
Definition
collection - 5 to 9 days after estrus
tranq by tail venipuncture - acepromazine
epidural anesthetic - lidocaine
lavage the vulvar region with 70% ethanol
TCM-199 w/antibiotic + BSA
luteolytic drug |
|
|
Term
| what is the disadvantage of non-surgical? |
|
Definition
| can't obtain tubal or oviductal embryos, only uterine |
|
|
Term
| What are the three membranes of the fetus? |
|
Definition
| amnion, allantois, chorion |
|
|
Term
| Why do different kinds of placentas develop and what are the five kinds? |
|
Definition
litter size, internal structure of uterus, degree of fusion
hemoendothelial, hemochorial, endotheliochorial, epitheliochorial |
|
|
Term
| When does the placentome form in cows? |
|
Definition
|
|
Term
| What does fetal development help us with? |
|
Definition
| to evaluate normal variations, comparison between species, understand better specific effects of nutritional, physiological and environmental factors in development of the fetus in utero. |
|
|
Term
| What are the comparative levels of amniotic and allantoic fluids? |
|
Definition
early - both low (al a little higher)
mid - higher amniotic
late - higher allantoic |
|
|
