Companion Animal Breeding Management

Question 1

At what age do canines reach puberty?

Answer 1

6-24 months

Question 2

At what age do felines reach puberty?

Answer 2

4-12 months

Question 3

What is the average duration of proestrus in dogs?

Answer 3

9 days (3-17 days)

Question 4

During which phase of the oestrus cycle does the bitch allow mating?

Answer 4

Oestrus

Question 5

On average, how many days does oestrus last in a bitch?

Answer 5

9 days (3-21 days)

Question 6

During which phase does the bitch have a bloody vulvar discharge?

Answer 6

Proestrus

Question 7

What colour is the vulvar discharge in oestrus in the bitch?

Answer 7

Straw coloured

Question 8

During which phase is there an LH peak in the bitch?

Answer 8

Oestrus

Question 9

How many days is diestrus in the bitch?

Answer 9

60-70 days

Question 10

In which phase are progesterone levels elevated and then slowly decrease in the bitch?

Answer 10

Dioestrus

Question 11

What is a pseudopregnancy and is it normal in the bitch?

Answer 11

False pregnancy - occurs in all bitches (normal)

Question 12

What is a pseudocyesis and is it normal in the bitch?

Answer 12

False parturition - abnormal

Question 13

What causes a pseudopregnancy?

Answer 13

2 months of elevated P4 levels

Question 14

What causes a pseudocyesis?

Answer 14

P4 levels drop suddenly = lactation, nesting behaviour, adopting teddies, etc

Question 15

While examining a bitch in proestrus, what would the vaginal walls and folds look like?

Answer 15

Pink, swollen, rounded folds, moist

Question 16

While examining a bitch in oestrus, what would the vaginal walls and folds look like?

Answer 16

Pale pink, shrunken, crenulated, dry

Question 17

While examining a bitch in dioestrus, what would the vaginal walls and folds look like?

Answer 17

Hyperaemic areas, rounded folds

Question 18

During oestrus what % of cells are cornified upon doing a vaginal cytology in a bitch?

Answer 18

> 90% cornified

Question 19

During which phase are parabasal cells more prominent?

Answer 19

Proestrus

Question 20

During dioestrus, what % are superficial cells?

Answer 20

<50%

Question 21

An influx of what type of cell occurs during dieostrus?

Answer 21

Inflammatory cells

Question 22

What type of oestrus cycle do canines have?

Answer 22

Non-seasonal monoestrus

Question 23

How many days after the LH peak does ovulation occur in the bitch?

Answer 23

2-3 days

Question 24

For fresh/fresh cooled semen, what days of oestrus should vaginal AI be done in the bitch (2 options)?

Answer 24

Day 3 and 5 OR

Day 4 and 6

Question 25

When using frozen semen for AI in a bitch, on what day of oestrus should you surgically AI?

Answer 25

Day 5

Question 26

If doing a transcervical insemination (TCI) in the bitch with 2 doses of frozen semen, what days of oestrus should a TCI be done?

Answer 26

Day 4 and 5 or | Day 5 and 6

Question 27

How many hours is fresh canine semen expected to last?

Answer 27

48 - 72 hours

Question 28

How many hours is fresh chilled canine semen expected to last?

Answer 28

24 hours

Question 29

Frozen canine semen lasts for how many hours post thawing?

Answer 29

8 - 12 hours

Question 30

After how many days post LH surge should an ultrasound be done for a pregnancy diagnosis in a bitch?

Answer 30

> 21 days (usually 30 days) post LH surge

Question 31

After how many days post LH surge can radiographs be conducted to determine the litter size of the bitch?

Answer 31

> 45 days post LH surge

Question 32

How many days from the LH peak to whelping is there estimated to be?

Answer 32

65 days

Question 33

How many days are between Day 1 of diestrus to whelping?

Answer 33

57 days

Question 34

How many days are between the period of ovulation and whelping?

Answer 34

63 days

Question 35

What can cause mammary hyperplasia in a bitch?

Answer 35

Progestins

Question 36

Name 2 hormones used to control oestrus cycle that cause masculinization in a pregnant bitch

Answer 36

1. Progestins | 2. Androgens

Question 37

What 2 hormones do androgens cause a reduction?

Answer 37

FSH and LH

Question 38

What type of oestrus cycle do felines have?

Answer 38

Seasonal polyoestrous

Question 39

Felines are induced ovulators. True/False?

Answer 39

True

Question 40

How many days are in a felines oestrus phase?

Answer 40

2-19 days

Question 41

How many days is the anoestrus phase in the feline?

Answer 41

30 - 60 days

Question 42

How many days is the dioestrus phase in the feline?

Answer 42

40 - 60 days

Question 43

During which phase in the feline oestrus cycle is P4 elevated?

Answer 43

Dioestrus

Question 44

Cats are induced ovulators, which means that multiple copulations increase what hormone?

Answer 44

LH

Question 45

For fresh AI in the feline, what should the PMS (progressive motile sperm) count be?

Answer 45

50 million PMS

Question 46

For frozen AI in the feline, what should the PMS count be?

Answer 46

20-50 million

Question 47

How many days after breeding should an ultrasound be done to diagnose a pregnancy?

Answer 47

> 16 days

Question 48

As part of the feline pregnancy diagnosis, radiographs are taken. How many days after breeding are these taken?

Answer 48

38-40 days

Question 49

What ratio of light exposure suppresses oestrus in felines?

Answer 49

8 hours light: 16 hours dark

Question 50

What ratio of light exposure induces oestrus in felines?

Answer 50

14 hr light : 10 hrs dark

Question 51

What causes mammary hyperplasia in felines?

Answer 51

Progestins