Unit 11-Bovine Semen Collection & Processing

Question 1

Protects sperm from ice crystal damage

Answer 1

Glycerol

Question 2

used to plug one end of the straw

Answer 2

Cotton

Question 3

Animal, often a steer used for semen collection

Answer 3

Teaser

Question 4

_______ is done in several steps

Answer 4

Freezing

Question 5

Frozen semen do not transmit _____ easily

Answer 5

Disease

Question 6

______ mounting increases the number of sperm

Answer 6

False

Question 7

______ may be added to extender solution

Answer 7

Antibiotics

Question 8

Short for artificial vagina

Answer 8

AV

Question 9

of sperm per ml

Answer 9

Concentration

Question 10

Bull semen is most often collected when a bull mounts a live _____ animal or using a collection _______

Answer 10

Teaser, dummy

Question 11

A bull is washed and dried before collection to reduce the risk of _____ contamination

Answer 11

Bacteria

Question 12

Semen is collected from a bull and is take to a lab to be analyzed, processes, and frozen. T or F

Answer 12

True

Question 13

Semen is evaluated for concentration, motility, and morphology. T or F

Answer 13

True

Question 14

Extenders use a base of ______ or ________

Answer 14

egg, milk

Question 15

Extenders are added to the straw along with along a cyopotectant addititve as protection during freezing and _____ to prevent bacterial damage

Answer 15

antibiotics

Question 16

AI has been with cattle for over 50 years. T or F

Answer 16

True

Question 17

What practice improves the quality of collected bull semen.

Answer 17

Collecting several times weekly

Question 18

what % of sperm sells servive freezing and thawing process

Answer 18

50%

Question 19

How long can semen be stored if kept emerged in liquid nitrogen

Answer 19

Indefinetly