They have put on 476, 200 birth records from Manitoba.
Ancestry.ca says that they make it easier to “find records from many of these content publishers. To help you find genealogy information wherever it exists, we summarize basic information from freely-available web records and provide a link to the original site where you can view the full record, including any associated images”.
If you want like to ckeck these records, go to http://search.ancestry.ca/search/db.aspx?dbid=70599
The Manitoba government declared in 2003 that The Vital Statistics Act was to provide unrestricted access to the following records
Births more than 100 years ago
Marriages more than 80 years ago
Deaths more than 70 years ago
In particular, the index gives you the first and last names of the person, the date of birth, and the place of birth.
You can order the record from the full birth registration from The Vital Statistics Agency for a fee.
Go to the website http://vitalstats.gov.mb.ca/Query.php