Lab exam 2 Flashcards

1
Q

which is not a common wait to thin a horse twin

A

fetotomy

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2
Q

cow day 0 of estrus cycle is

A

standing heat

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3
Q

fertilization occurs in

A

ampulla

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4
Q

cow goes into heat every

A

21 days

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5
Q

in the cow what stage does ovulation occur

A

metestrus

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6
Q

in cow standing heat is in what stage

A

estrus

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7
Q

capitation of sperm occurs where

A

isthmus

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8
Q

in cow what is point of balance

A

anatomical area where handler may move animal forward or back

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9
Q

luteal cells produce

A

progesterone

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10
Q

what hormone causes ovulation

A

LH

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11
Q

target breeding age for dairy heifer

A

12-14 months

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12
Q

cow is most susceptible to mastitis when…

A

not milking

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13
Q

when is the dry period

A

60 days prior to calving

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14
Q

what is the name of the block used for dehorning

A

corneal block with lidocaine

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15
Q

how long does teat stay open after milking

A

2 hours

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16
Q

removal of what in order to prevent regrowth of horn

A

corium

17
Q

equine chorionic gonodotropin causes

A

formation of secondary CL

18
Q

how many CL necessary to maintain pregnancy horse

A

2

19
Q

Equine chorion gonadotropin is produced by

A

fetal tissue

20
Q

Equine chorion gondatropin produces what

A

second CL

21
Q

what hormone will be secreted if no embryo is detected

A

prostaglandin

22
Q

how long after birth to you breed dairy cows

A

45-60 days