Table of Contents
On-Farm Evaluation of Extended Boar Semen
What you should learn?
Evaluation of Extended
(Processed) Boar Semen
Please remember
Some semen storage units have a built-in digital temperature display. Place a high-low thermometer into the cooler and record both temperatures at least once daily. Semen storage units can and do fail.
Please note:
Prerequisites for an On-Farm
Semen Evaluation Program
On-Farm Semen Evaluation
What should I evaluate?
Motility
Motility
Motility
The percent motile sperm will be under-estimated if observations are made before the semen sample has been warmed to 37 C for an adequate period of time
Motility
Relationship Between Estimated Sperm Motility and Fertility
Guidelines for Estimating Motility
Equipment Required
Emergency, Low Cost Methods for Warming Semen and Slides
Preparing Slides
Viewing Slides
Motility
Motility
Motility
Morphology
Morphology
Morphology
(See next page for examples)
PPT Slide
Agglutination or "clumping"
Agglutination or "clumping"
Microscope Maintenance
Summary
What have you learned?
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