Gestation

Question 1

What is the length of pregnancy in cats and dogs respectively?

Answer 1

62-67 days in cats

64-66 days in dogs

Question 2

How do you get a more precise due date?

Answer 2

Evaluation of vaginal cytology

Cytology is obtained daily from day 1 of standing heat through several days passed the date of first refusal to breed

Whelping date is likely to be 56-58 days after the first day of diestrus

Question 3

When can foetal vesicles within the uterus be recognised on ultrasound?

Answer 3

Between days 16-50 of gestation

Fetal heart rate can be detected around day 25

Question 4

When can radiographs be used to detect foetuses?

Answer 4

After day 45-50 of gestation

Question 5

What can be used to determine the onset of parturition?

Answer 5

Determining plasma progesterone concentration using an Elisa test kit

-<2ng/ml parturition will likely begin within 24 hours