Lab exam 2 Flashcards
What is the usual result of equine twinning?
abortion of both foals
With live cover breeding it is safest to
hobble the mare to protect the stallion
Fertilization occurs in the
ampulla
In the mare, ovulation occurs at day 0 in the cycle which is typically 1 day before the end of estrus
true
A mare is seen rubbing her tail on the fence, winking her vulva and urinating small amounts, what stage of estrous is she in and what is the dominant hormone
Estrus, estrogen
ECG is produced by the ____ to stimulate formation of the secondary CL
fetal tissue endometrial cups
Higher conception rates are the main reason for breeding a mare during her foal heat
False
Bubbles that dont dissolve in rumen fluid can be an indication of
frothy bloat
Ruminal pH of 8.8 may indicate
saliva contamination and prolonged ruminal stasis
Normal rumen fluid should have motile protozoa present
True
What is the purpose of anaerobic bacterial reduction test and what is the normal time in cattle
Function of bacteria 2-6 minutes
Pregnancy will occur if
fetus excretes antiluteolytic substance that prevents uterine release of prostaglandins
Proestrus in the cow
CL regressing, progesterone decreasing, estrogen increasing
Which of the following is a primary sign of heat in cows
allowing others to mount
The purpose for dehorning
decrease injury to themselves and other cattle
Normal horn growth is similar to
hoof growth
The correct method to stop bleeders after dehorning includes the use of forceps and staples
false
If a cow was in standing heat at 5pm, what time should she be AI’d
5am the next day
What should be done post-op for dehorning
House animal in clean pen, Keep the surgical site clean, watch for bleeding
What is the function or effect of estrogen in the cow?
Primary and secondary signs of heat
When moving cattle, what natural behavior do they tend to exhibit
circling and following
Beef cattle are typically not set on a routine
False
Cattle are naturally subdued animals and are not affected nor distracted by excessive noise
false
Milk evaluation on a black plate looks for
Homogenisity
Cattle vision is extremely limited and as a result they can only see objects directly in front of them
false
What is the term for placing cattle in lateral recumbancy
dropping
The indicator Bromcresol Purple is used in which mastitis test
California Mastitis Test
When doing a tail vein venipuncture you must hold off the vein and palpate it prior to sticking
false
___ injections are given to cattle at the base of the ___ in the ___
ID / Tail / Caudal
What instrument do you use to aid in the collect of rumen fluid?
frick speculum
Bovine IM injections are administered in which hind limb muscle?
semitendinosus
Which of the following is an advantage of using SQ injection over IM
decreased antibiotic residues in the carcass
The cow halter tightens over the top of the ears
false
flanking is used to prevent kicking
false
the gram stain on rumen fluid is predominantly GPRODS
False
What knot can be used in casting cattle to prevent choking
bowline
The block used in conjunction with dehorning is called cornual block
true
if you stand at the neck of a cow, she will move forward
false
