past questions

Question 1

generally, where should we inject semen in the cow AI?

Answer 1

body of the uterus

Question 2

Which AI techniques is not used in the ewe?

Answer 2

rectovaginal AI (its in cows)

Question 3

what is the optimal ewe ram ratio at natural mating cycle?

Answer 3

1:50

Question 4

what is the volume of ram ejaculate?

Answer 4

1-2 ml

Question 5

what is the concentration the spermatozoa in case of laparoscopic AI?

Answer 5

20 million per uterine horn

Question 6

which component of the egg yolk protects the plasma membrane of the spermatozoa?

Answer 6

lipoprotein

Question 7

when does the cow ovulate?

Answer 7

10-(12)h after the end of oestrus

Question 8

what is the temperature of liquid nitrogen?

Answer 8

-196˚C

Question 9

generally, where should we inject the semen in the AI of the cow?

Answer 9

in the body of the uterus

Question 10

which insemination technique is not used in the pig?

Answer 10

intravaginal

Question 11

what type of semen is used in the practice of AI in pigs?

Answer 11

semen stored at 16-17˚C

Question 12

the semen is collected in the pig with?

Answer 12

gloved hand technique

Question 13

how frequently can semen be collected from the pig?

Answer 13

twice a week

Question 14

concentration of spermatozoa in the dose used for pig insemination?

Answer 14

3-5 million

Question 15

volume of insemination of dose used for pigs?

Answer 15

50-100ml

Question 16

how long is oestrous in the mare?

Answer 16

5-7 days

Question 17

what is the concentration of spermatozoa in the AI dose used in the horse?

Answer 17

500 million

Question 18

what is the correct time of the AI in horses?

Answer 18

close to the end of oestrus

Question 19

what is the AI dose used in horses?

Answer 19

10-50 ml

Question 20

where should the semen be deposited in the mare?

Answer 20

body of the uterus

Question 21

where does the dog ejaculate the semen?

Answer 21

vagina

Question 22

what is the acceptable motility result in the dog?

Answer 22

80% (75-90%)

Question 23

how can semen be collected from the stallion?

Answer 23

AV

Question 24

which properties of the AV is/are important at the semen collection in the stallion?

Answer 24

temperature and pressure

Question 25

AI of the mare should be done.....?

Answer 25

every other day until the end of the estrus

Question 26

does the stallion ejaculate in different fractions?

Answer 26

yes

Question 27

which technique is not used for semen collection of the stallion?

Answer 27

electroejaculation

Question 28

in how many fractions does a pig ejaculate?

Answer 28

3

Question 29

optimum time of AI in the pig?

Answer 29

in the middle of the 50-60 hr of oestrus period

Question 30

the only successful process of sexing sperm?

Answer 30

flow cytometry

Question 31

what is the first thing to do with an orphan puppy?

Answer 31

check its temperature

Question 32

which cells produce testosterone?

Answer 32

Leydig

Question 33

where is the GnRH surge centre in males?

Answer 33

males don't have a GnRH surge centre

Question 34

where is the GnRH surge centre in females?

Answer 34

hypothalamus

Question 35

in mares the endometrial cups produce?

Answer 35

eCG (PMSG)

Question 36

when does the embryo enter the uterus in mares?

Answer 36

on day 5-6 of gestation

Question 37

where are oestrogen produced in the mare?

Answer 37

oestrogen are only produced by the secondary follicles

Question 38

what is the difference between heat and ovulation in the swine?

Answer 38

duration of heat is 3 days | ovulation is 46-54 hrs

Question 39

what happens to the electroconductivity of the vaginal discharge of the cow during heat:?

Answer 39

during heat the electroconductivity of the vaginal discharge decreases

Question 40

what does inhibin do?

Answer 40

relaxes the tonicity of the myometrium

Question 41

what accessory gland is most important in the dog?

Answer 41

prostate

Question 42

what is the temperature of liquid nitrogen?

Answer 42

-196 ˚C

Question 43

what is the volume of the second fraction in a dog?

Answer 43

5-6 ml

Question 44

what does eosin staining achieve?

Answer 44

staining of dead cells

Question 45

FSH acts on what cells?

Answer 45

Sertoli cells

Question 46

what is the most common cause of pyometra in dogs?

Answer 46

E. coli

Question 47

what are the equine accessory glands?

Answer 47

all of them: - bulbourethral - prostate - ampulla

Question 48

when is the GnRH surge in males?

Answer 48

there is no GnRH surge in males

Question 49

what is the mean volume of bull semen?

Answer 49

6ml

Question 50

what is necrospermia?

Answer 50

when there is a high amount of dead sperm - moderate = 50% - severe = 80% in lectures he said 100%

Question 51

what do you assess with spermatozoa under high magnitude?

Answer 51

individual movement

Question 52

where would you find a tight junction?

Answer 52

blood-testis barrier

Question 53

what happens if insemination happens too late after heat?

Answer 53

ageing oocyte

Question 54

what is the swelling test?

Answer 54

A live sperm cell will "swell" when placed in a hypo-osmotic solution, expanding its cell volume

Question 55

what is the indication of reduced opacity of sperm?

Answer 55

less spermatozoa than there should be

Question 56

what are the consequences of spaying in diestrus?

Answer 56

nothing

Question 57

what are the consequences of spaying a bitch in metestrus?

Answer 57

pseudopregnancy

Question 58

what are the consequences of slow cooling?

Answer 58

death due to dehydration and toxicity effects

Question 59

what Are the consequences of too rapid cooling?

Answer 59

death due to the formation of ice crystals

Question 60

what colour is the X-bearing sperm cells in fish sex determination?

Answer 60

pink

Question 61

what colour are Y-bearing cells in fish sex determination?

Answer 61

green

Question 62

what is the peroxidase test used for?

Answer 62

the diagnosis of potential autoimmune conditions by the assessment of antibodies

Question 63

at what gestational age should you evaluate a mare for twins?

Answer 63

13-15 days

Question 64

where is GnRH produced?

Answer 64

hypothalamus

Question 65

which period of the oestrus cycle must samples be taken for endometrial bacteriology in the mare

Answer 65

during estrus

Question 66

what is the earliest time when pregnancy can be detected by ultrasound in the mare?

Answer 66

9-12 days after ovulation

Question 67

what is the biological half-life of LH?

Answer 67

<20-30 minutes

Question 68

what is the duration of preovulatory-like LH peak in mares?

Answer 68

6-8 hrs

Question 69

what is the progesterone during anoestrus?

Answer 69

<1ng/ml

Question 70

what is the meaning of preovulatory luteinization?

Answer 70

an increase in plasma progesterone level prior to the LH peak can be observed

Question 71

at what temperature do we store chilled semen?

Answer 71

5 ˚C

Question 72

what is the feature about pathogens that cause vaginitis?

Answer 72

most often constituents of normal vaginal flora

Question 73

which test method can be used to examine the prostate?

Answer 73

inspection

Question 74

what causes the female pseudoherphrodrodism?

Answer 74

androgen effect in early stages of individual development

Question 75

which cycle phase is this typical? small vulva, pink, flat mucosa?

Answer 75

anoestrus

Question 76

where are the osmium urethrae externa, fossa clitoridis located?

Answer 76

ventral wall of the vagina

Question 77

how long does the canine sperm survive in the uterus?

Answer 77

10-12 days

Question 78

in what phase can we measure the highest progesterone levels?

Answer 78

diestrus

Question 79

what type of contamination can we suspect if the sperm is green coloured?

Answer 79

purulent exudate

Question 80

what does azoospermia mean?

Answer 80

lack of sperm

Question 81

in which point of the cycle does is rosetta-like appearance?

Answer 81

dioestrus

Question 82

when do secondary morphological abnormalities develop | ?

Answer 82

during the ripening process

Question 83

which word describes healthy movement of sperm?

Answer 83

vibratory

Question 84

which cycle phase does the bitch show receptivity?

Answer 84

oestrus

Question 85

what factor is not involved in the development of benign prostatic hyperplasia?

Answer 85

testosterone levels increase with age

Question 86

how can the libido of a boar be increased?

Answer 86

urine of a sow in standing heat

Question 87

what do we use boar spray for?

Answer 87

to mimic the presence of a boar

Question 88

in which animal is the insemination with frozen semen least efficient?

Answer 88

Swine

Question 89

how do we collect semen from a boar?

Answer 89

with a phantom

Question 90

how do you know if a sow is in standing heat?

Answer 90

apply pressure to the back of the animal

Question 91

what is the site of sperm deposition in pigs?

Answer 91

cervical