FEMALE REPRO FAILURE

Question 1

is a permanent factor preventing procreation,

Answer 1

sterility

Question 2

it is most often a sign of temporary or permanent depression of ovarian activity

Answer 2

anestrus

Question 3

Ovarian hypoplasia occurs in ___what breed of cattle.

Answer 3

Swedish Mountain

Question 4

Ovarian hypoplasia tends to be associated with __ coat color

Answer 4

white

Question 5

ovarian hypoplasia is dominant gene

Answer 5

, being inherited as an autosomal recessive.

Question 6

are heifers born co…twin to bulls, have poorly developed ovaries, and fail to show estrus.

Answer 6

freemartins

Question 7

Pseudopregnancy (____) in the doe is the accumulation of uterine fluid associated with the persistence of the CL.

Answer 7

hydrometer

Question 8

used when spontaneous discharge of a cloudy uterinefluidoccursaroundtheexpectedtimeofparturition that has been mated

Answer 8

cloudburst

Question 9

used when spontaneous discharge of a cloudy uterine fluid occurs around the expected time of parturition that has been mated

Answer 9

cloudburst

Question 10

pseudopregnancy is dz with real time utz showing lack of

Answer 10

placentomes

Question 11

plays an important luteotrophic role

Answer 11

prolactin

Question 12

Both __ and ____treatments result in a decline in progesterone levels, estrous behavior, and the discharge of intrauterine fluid

Answer 12

PGF2a and repeated oxytocin

Question 13

this is apparently unique to mares, results from spontaneous prolongation of the life of the cyclic CL beyond the normal 14 to 15 days

Answer 13

prolonged diestrus

Question 14

major cause of anestrus during natural breeding season in mares

Answer 14

prolonged diestrus

Question 15

Persistence of the CL may be attributed to a failure of __ release

Answer 15

PGF2a

Question 16

Anovulatory estrus is more common in __ and __ than in __ and __

Answer 16

swine and horses
cattle and sheep

Question 17

Cystic ovarian disease or “cystic ovaries” is common in __ and ?__

Answer 17

dairy cattle and swine

Question 18

intense mounting behavior

Answer 18

nymphomania

Question 19

cyst differentiation is done using what dx tool

Answer 19

transrectal utz

Question 20

the elevated ___ levels suppress the preovulatory release of LH and lead to the develop.. ment of cysts

Answer 20

cortisol

Question 21

Cystic ovaries are also frequently encountered in dairy cows fed higher levels of nutrients, and during the winter

Answer 21

t

Question 22

__ injection may store ovarian cycles in cows with ovarian cysts.

Answer 22

progesterone

Question 23

are an important cause of reproductive failure and a major reason for culling, particularly older sows.

Answer 23

cystic ovaries

Question 24

factors affecting fertilizatin failure

Answer 24

gamete transport
abnormal eg
structural barrier
abnormal sperm

Question 25

In bull, ram, and boar, a good correlation exists between fertility and __

Answer 25

acrosomal integrity

Question 26

mesonephric cysts interfere with sperm transport while cystic ovaries interfere with __

Answer 26

ovulation

Question 27

early cattle insemination leads to ___

Answer 27

death of sperm

Question 28

are the result of arrested develop.. ment ofthe different segments of the Mullerian ducts (oviduct, uterus, and cervix) or of an incomplete fusion of these ducts caudally

Answer 28

congenital defects

Question 29

A classic congenital anomaly associated with the gene for white coat color is

Answer 29

white heifer dz

Question 30

white heifer dz can be differentiated from freemartin syndrome by the presence of normal __,__ and __

Answer 30

ovaries, vulva, labia

Question 31

Common anatomic abnormalities are adhesions of the infundibulum to the ovary or uterine horns; this interferes with ___ or causes a __ of one part of the reproductive duct system.

Answer 31

the pick..up of the egg mechanical obstruction

Question 32

Reproductive failure occurs more in__ than in cattle grazing on plants that contain compounds with estrogenic activity,

Answer 32

sheep

Question 33

The estrogenic activity of phytoestrogens is due to plant ___ and ·related substances with hydroxyl groups.

Answer 33

isoflavones

Question 34

ingestion of phytoestrogens lead to permanent infertility

Answer 34

f. temporary

Question 35

fertility after phytoestrogenic ingestion resume after _ weeks

Answer 35

3

Question 36

Ewes grazed for several seasons on estrogenic pastures mate and ovulate, but fertilization rate is depressed as a result of failure of sperm transport caused by severe changes occurring in the __

Answer 36

cervix

Question 37

In swine, a delay in copulation or injection of progesterone given 24 to 36 hours before ovulation leads to some eggs having ___

Answer 37

more than two pronuclei

Question 38

The incidence of ___ increases when mating or insemination is delayed, resulting in triploid embryos that do not survive.

Answer 38

polyspermy

Question 39

responsible for most gestation failures in farm animals.

Answer 39

pregnancy wastage

Question 40

Termination of pregnancy may occur at various stages:

Answer 40

Before maternal recognition of pregnancy (early embryonic mortality). After maternal recognition of pregnancy, and is associated with a delay in the length of the cycle (late embryonic mortality). During the fetal stage (fetal mortality).

Question 41

Mortality is more common during the late than early stage

Answer 41

false. early than late

Question 42

accounts for the majority of reproductive fail.. ures in the cattle, with a mortality rate of up to 40% of all fertilized eggs

Answer 42

embyonic mortality