Term
What day does cow fetal heart begin to beat? |
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Definition
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Term
What day does cow fetal cotyledons appear on chorion |
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Definition
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Term
What day do cow fetal eyelids close? |
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Definition
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Term
What day do cow fetal hair follicles appear |
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Definition
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Term
What day do cow fetal horn pits appear? |
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Definition
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Term
What day do cow fetal teeth begin to errupt? |
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Definition
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Term
What day do cow fetal hair follicles develop around the eyes and muzzle? |
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Definition
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Term
What day does cow fetal hair cover its whole body? |
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Definition
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Term
When is defined abortion in a cow? |
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Definition
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Term
What day is defined abortion in the mare? |
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Definition
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Term
When is defined abortion in the sow? |
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Definition
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Term
What type of placenta do mares have? |
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Definition
diffuse (epitheliochorial) |
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Term
Wha type of placenta do cows have? |
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Definition
Cotyledonary (epitheliochorial) |
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Term
What type of placenta do pigs have? |
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Definition
Diffuse (epitheliochorial) |
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Term
What type of placenta do dogs and cats have? |
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Definition
zonary (endotheliochorial) |
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Term
What type of placenta do humans have? |
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Definition
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Term
At what stage in gestation is a cow fetus the size of a mouse? |
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Definition
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Term
At what stage in gestation is a cattle fetus the size of a small rat? |
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Definition
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Term
At what stage in gestation is the bovine fetus the size of a small cat? |
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Definition
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Term
At what stage in gestation is the bovine fetus the size of a large cat? |
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Definition
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Term
At what stage in gestation is the bovine fetus the size of a small dog? |
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Definition
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Term
What is Klinefelter's syndrome? |
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Definition
Men with an extra X chromosome in most cells. Result is infertility and decrease in T production |
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Term
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Definition
RH antibodies attack baby and cause miscarriage. Blood disease and can inherit from father and is transfered to baby b/c of placenta type |
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Term
What is the foramen ovale? |
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Definition
flap in heart that closes and make it more efficient and strong |
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Term
What drug should you induce parturition with in cows? |
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Definition
1. Dex (past 270d)or 2. PGF2A and E17B |
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Term
What drug should you induce parturition with in the sow? |
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Definition
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Term
What drug should you induce parturition with in the ewe? |
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Definition
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Term
What drug should you induce parturition with in the doe? |
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Definition
Dex (carbon cortacoid, potent cortisol) |
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Term
What drug should you induce parturition with in the mare? |
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Definition
Don't induce gestation b/c length is so variable, but if you did use: 1. Oxytocin 2. PGF2A |
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Term
What are Braxton Hicks contractions? |
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Definition
4-6wks early contractions in humans |
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Term
What drug can you give to encourage acceptance of offspring after parturition? |
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Definition
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Term
When do piglets select their nipple? |
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Definition
48-72 hrs after parturition. runts on ends. |
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Term
Which expresses estrus earlier following older cows, young cows, or heifers? |
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Definition
older cows. usually 70d postpartum |
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Term
When does uterine involution occur in cows? |
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Definition
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Term
Would is the function of HY antigen? |
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Definition
selects gonadal differentiation, expressed by male autosomes (Y) |
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Term
How do you express sex in chickens? |
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Definition
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Term
What species deposit semen in the vagina? |
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Definition
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Term
What species deposit semen in the uterus? |
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Definition
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Term
What pulls testes into scrotum? |
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Definition
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Term
What would you give to a stallion to test fertility? |
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Definition
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Term
What is the function of accessory sex glands? |
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Definition
stimulation, addition of seminal fluid, nutrients, |
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Term
Whats another name for the bulbourethral gland? |
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Definition
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Term
How much cooler is the testicle than the body? |
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Definition
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Term
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Definition
pampiniform plexus veins. |
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Term
Interstitial cells are also known as what in the male? |
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Definition
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Term
Sprem formation starts at? |
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Definition
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Term
What is function of rete testes |
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Definition
Where sperm is collected from the seminiforous tubules |
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Term
Tissue layers of scrotum to testicle (outside to inside) |
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Definition
Scrotal skin, Tunica dartos, scrotal fascia, parietal tunica vaginalis, vaginal cavity, tunica albuginea |
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Term
Duration of spermatogenesis in ram |
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Definition
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Term
duration of spermatogenesis in bull |
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Definition
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Term
duration of spermatogenesis in man |
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Definition
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Term
Leydig cells produce what hormone? |
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Definition
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Term
Sertoli cells produce what hormone? |
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Definition
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Term
All other species testicles descend halfway through gestation, what specie descend just before or after birth? |
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Definition
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Term
Which specie has the largest sperm cell |
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Definition
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Term
which specie has the smallest sperm cell |
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Definition
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Term
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Definition
female arching the back during sex |
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