Artificial induction

Question 1

recommended lighting for artificial induction

Answer 1

200W 12x12 stall
465-485 shortwave

Question 2

how long should the light exposure be

Answer 2

60-70d

Question 3

light regimen in southern hemisphere

Answer 3

july 1 to august

Question 4

light regimen in northern hemisphere

Answer 4

dec 1 (2 mos before feb)

Question 5

althernative non hormonal method for light manipulation

Answer 5

facemask

Question 6

Exposure to artificial light eliminates the vernal transition (aka puberty) in mares

Answer 6

false. Does not eliminate; SIMPLY MOVES IT EARLIEr

Question 7

synthetic GnRH

Answer 7

deslorelin

Question 8

GnRh in mares should be given before vernal transition t.f

Answer 8

after

Question 9

GnRH in cows should be used in conjunction with prostaglandin

Answer 9

true

Question 10

Admin of eCG in sheep should be preceded by __ administration

Answer 10

progesterone

Question 11

Ecg does stimulate ovarian activity in mares in anestrus T.F

Answer 11

does NOT

Question 12

melatonin is commonly used in

Answer 12

ewe/doe

Question 13

estrous phasr where there is high pdtn of progesterone

Answer 13

diestrus/luteal phase

Question 14

one can mimic estrous cycle by giving

Answer 14

P4

Question 15

Admin of P4 in mares are highly efficacious alone T/F

Answer 15

false

Question 16

minimal ovarian activity causes follicle maturation but not ovulation

Answer 16

true

Question 17

eCG is produced in

Answer 17

endomterial cups

Question 18

prolactin inhibitors act on what estrous phase

Answer 18

luteal/diestrus