Sheep and Goat Reproduction 2

Question 1

Nutritional causes of non-infectious infertility?

1.
2.
3.

Answer 1

1. iodine
2. copper
3. selenium

Question 2

Non-infectious fertility:
Veratrum californiucum

aka?

Answer 2

Skunk Cabbage

Question 3

Non-infectious fertility:
Veratrum californiucum

toxin?

Answer 3

alkaloid cyclopamine

Question 4

Non-infectious fertility:
Veratrum californiucum

Effect if consumed in:

1. Early gestation?
2. Between d12-14 of gestation?
3. In general?

Answer 4

1. EED
2. Cyclops
3. Arthrogryposis

Question 5

Non-infectious fertility:
Locoweed:

Effects:
1.
2.
3.

Answer 5

1. Abortion
2. Arthrogryposis
3. Decreased spermatogenesis in rams

Question 6

Non-infectious fertility:
Broomweed:

Effects:
1
2.
3.

Answer 6

1. Abortion
2. RFM
3. Arthrogryposis

Question 7

Which are more sensitive to estrogen producing plants, Sheep or Goats?

Answer 7

Sheep

Question 8

Two main estrogen producing plants:

1.
2.

Answer 8

1. Subterranean clover

2. Alfalfa

Question 9

Effects of Estrogen Producing plants:

1.
2.
3.

Answer 9

1. Hyperestrogenism
2. Vaginal prolapse
3. Subclinical repro impairment in sheep

Question 10

Causes of Pseudopregnancy:

1.
2.

Answer 10

1. Mucometra/hydrometra/cloudburst

2. Prolonged luteal phase in goats

Question 11

Psuedopregnancy:

1. Dx via?
2. Tx?

Answer 11

1. U/S

2. PGF2a

Question 12

Infectious infertility:
Viruses:

1.
2.
3.
4.

Answer 12

1. Blue tongue
2. Border disease virus
3. Cache Valley disease
4. Akabane Virus

Question 13

Which viral cause of infectious infertility in sheep and goats causes disease?

Answer 13

Akabane Virus

Question 14

Infectious infertility:
Bacterial:

1.
2.
3.
4.
5.
6.

Answer 14

1. Campylobacter
2. Chlamydophila abortus
3. Coxiella burnetti
4. Brucella melitensis
5. Brucella ovis
6. Listeria monocytogenes

Question 15

Which bacterial cause of Infectious Infertility DOES NOT cause disease?

Answer 15

Brucella ovis.

Question 16

Infectious infertility:
Protozoa:

Main one?

Answer 16

Toxoplasma gondii

Question 17

Infectious infertility:
Bluetongue:

Reservoir?
Transmission method?

Answer 17

Cattle

Cullicoides

Question 18

Infectious infertility:
Bluetongue:

Clinical Signs:
1.
2.
3.

Answer 18

1. Fever + swollen ears/face/tongue
2. +/- abortion
3. Fetal malformations

Question 19

Fetal malformations seen with bluetongue virus?

1.
2.

Answer 19

Hydroencephaly and arthrogryposis

Question 20

Infectious infertility:
Border Disease Virus:

Caused by what kind of virus?

Answer 20

Pestivirus

Question 21

Infectious infertility:
Border Disease Virus:

Aka?

Answer 21

Hairy shaker lamb

Question 22

Infectious infertility:
Border Disease Virus:

Pathogenic steps:

1. Transmission method?
   2.
2. Results in…

Answer 22

1. Oral
2. Infect fetoplacental unit
3. EED, resorption, mummies, congenital defects, PI animals

Question 23

Infectious infertility:
Border Disease Virus:

Effects on fetus if it survives?
1.
2.

Answer 23

1. Hydraencephaly

2. Cerebellar hypoplasia

Question 24

Infectious infertility:
Border Disease Virus:

Dx via?

Best ways to prevent?

Answer 24

1. Virus isolation

2. Test, cull, isolate new arrivals

Question 25

Infectious infertility:
Border Disease Virus:

Lambs infected have:

1. (decreased/increased) fleece?
2. (lighter/darker) pigmentation?

Answer 25

1. increased

2. darker

Question 26

Infectious infertility:
Cache valley Disease:

Transmission method?

Answer 26

Mosquitos

Question 27

Infectious infertility:
Cache valley Disease:

Clinical signs in ewe/doe?
1.
2.

Answer 27

Fever/depression,

Still birth

Question 28

Infectious infertility:
Cache valley Disease:

Effects on fetus?

1.
2.
3.
4.

Answer 28

1. Arthrogryposis
2. Brachygnathia
3. Hypoplasia of Spinal Cord
4. Predilection for CNS tissue results in hydraencephaly, microencephaly

Question 29

Infectious infertility:
Cache valley Disease:

Prevention via:
1.
2.

Answer 29

1. Vaccination

2. Isolation from mosquitoes

Question 30

Infectious infertility:
Akabane Virus:

Transmission via:
1.
2.

Answer 30

1. Cullicoides

2. Mosquitoes

Question 31

Infectious infertility:
Akabane Virus:

CxS in dam?

Answer 31

None!

Question 32

Infectious infertility:
Akabane Virus:

CxS of fetus?
1.
2.
3.

Answer 32

1. Arthrogyposis
2. Hydraencephaly
3. Hydrocephalus

Question 33

Infectious infertility:
Brucellosis:

Two main species:

1. B. ____
2. B. _____

Answer 33

1. B. melitensis

2. B. ovis

Question 34

Main clinical significance of Brucellosis?

Answer 34

IT’S ZOONOTIC

Question 35

Which species of Brucellosis infects Goats?

Answer 35

B. melitensis

Question 36

T/F: Brucella ovis is rarely a cause of abortion in sheep

Answer 36

True

Question 37

Three main effects of brucella melitensis:

1.
2.
3.

Answer 37

1. Abortion
2. Weak kids
3. mastitis

Question 38

Main effect of Brucella ovis?

Answer 38

epididymitis in rams

Question 39

Infectious infertility:
Campylobacter:

Which one causes sporadic abortion?

Answer 39

C. Jejuni

Question 40

Infectious infertility:
Campylobacter:

Which one causes large outbreaks of abortion?

Answer 40

C. Fetus Fetus

Question 41

Infectious infertility:
Campylobacter:

(is/is not) zoonotici

Answer 41

IS

Question 42

Infectious infertility:
Campylobacter:

Transmission:
1.
2.
3.

Answer 42

1. Fetal fluids
2. Fetus
3. Placenta

Question 43

Infectious infertility:
Campylobacter:

CxS:

1.
2.

Answer 43

1. Late term abortions

2. Still borns

Question 44

Infectious infertility:
Campylobacter:

1. CxS in ewes?
2. (common/rare) in goats?

Answer 44

1. Not ill

2. Rare