Lecture 8

Question 1

What are the 3 ways to collect semen?

Answer 1

Digital manipulation
Electroejaculation
Artificial vagina

Question 2

What animals is digital manipulation mostly used in?

Answer 2

Pigs and dogs

Question 3

What do you notice after digitally manipulating a dog?

Answer 3

Engorged bulbous glandis

Question 4

Which animal can electroejaculation not be used in?

Answer 4

Horses

Question 5

Whats the disadvantage of using electrojaculation in bulls?

Answer 5

Has a larger volume and lower sperm number

Question 6

What is the most commonly used method in cattle, horses, sheep, goats…..?

Answer 6

Artificial vagina

Question 7

How do you calculate total sperm?

Answer 7

Multiply concentration by ejaculate volume

Question 8

How much sperm fills up a mini straw?

Answer 8

250 microliters (10-12 millions sperm)

Question 9

At what temp can semen be stored at for several years?

Answer 9

-198 degrees

Question 10

When is the best time to AI swine?

Answer 10

0-12h before ovulation for fresh semen

0-4h after ovulation for frozen semen

Question 11

What is laparoscopic AI?

Answer 11

Inject semen through punctures made in the abdomen straight into the uterus

Question 12

Which animals should be given chilled/fresh semen?

Answer 12

Rabbits and dogs