Swan Valley Veterinary Clinic

Box 388
Swan River, MB R0L 1Z0



Donor Cows

Selection of donors is based on superior genetic merit. The offspring need to be very marketable.

Minimum requirements:

~60 days post calving

~Cycling regularly

~Good body condition (2.5-3.5/5)

~We do not recommend flushing heifers at his time

Management of Donors

1) Nutrition:

~ Good nutrition plan with mineral supplementation

~ Cow should not be losing body condition

2) Pre Flush Examination

~To ensure reproductive  tract is normal and ovaries are functioning adequately

~To ensure they are not pregnant

3) Super Ovulatory Program:

~Donors will be handled very often during the set up procedure

~Handling system should be a smooth and low stress

~Timing of injections needs to be followed very closely

~ Specific protocols will be provided based on donor examinations and flush history

4) Insemination of Donors:

~ Minimum of 2 inseminations with high quality semen. Often 3 straws are used over 2 breedings

~If sexed semen is used please contact prior to discuss

~ Save straws for records

5) Flush Day

~ Cow needs to be restrained on a secure and warm environment

~ Should be indoors out of the wind and rain