Reproductive Behavior

  1. General Behavior
  2. Applied Sexual Behavior in the Male: Semen Collection and Processing

Reading

Lecture a:

Reproductive Behavior

Precopulatory Stage

Copulatory Behavior

Postcopulatory Behavior

Endocrine Effects on Sexual Behavior

Control of Reproductive Behavior

Sensory Inputs for Reproductive Behavior

Erection, Emission, Ejaculation

Postcopulatory Behavior

Homosexual Behavior

Maternal Behavior

Lecture b:

Age When Semen Can Be Collected

Effect of Age on Sperm Output

Semen Collection

Effect of Semen Collection Frequency on Sperm Output

 Item  Dairy  Beef  Sheep  Swine  Horses
 # of collections  1-6  1-6  7-25  2-5  2-6
 Volume (ml)  5-8  3-6  0.8-1.2  150-300  30-100
 Concentration (million/ml)  1000-2000  800-1500  2000-3000  200-300  200-400
 Total sperm/ejac. (billion)  7-15  5-10  1.6-3.6  30-60  5-10
 Total sperm/wk (billion)  15-40  10-30  25-40  100-150  15-30
 Motile sperm(%)  50-75  40-75  60-80  50-80  40-75
 Normal sperm(%)  70-95  65-90  80-95  70-90  70-90

Characteristics of Artificial Vagina

Electroejaculation

Massage Method

Semen Evaluation

 

Preservation of Semen

Liquid Nitrogen Tank

Temperature in Neck of Storage Tank

Temperature of Straws If Low LN

Conclusions on LN Tank

Thawing

Review Quizzes