Stallion management

Question 1

Describe the reasons for evaluating stallion semen

Answer 1

Part of a breeding soundness exam for the stallion
Estimate the number of services (stallion book)
Prior to sale or purchase of a new stallion
Processing of semen – chilled & frozen
Fertility problems
Prior to inseminating a mare

Question 2

Understand different methods of collecting a semen sample from the stallion

Answer 2

Collect into an “artificial vagina” - stallion can mount a jump mare or a phantom mare
Dismount sample from a natural cover- Catch semen after mounting mare
Chemical ejaculation

Question 3

What percentage of Progressive motility required for both chilled and frozen semen

Answer 3

30-35%

Question 4

Methods of counting sperm

Answer 4

Haemocytometer
neubauer
spectrophotometer
Nucleocounter