Knowledge Base
Canine reproduction, in Scientific Knowledge Objects.
Every SKO answers one focused clinical question, with a stated evidence level, transparent sources and a last-reviewed date. Filter by category, evidence, or search by keyword.
Category
Evidence
6 results
Ask HelixEndocrinologyHigh evidence
Progesterone timing for optimal breeding
How serum progesterone maps to the LH surge, ovulation, and the fertile window in the bitch.
9 min·Rev. 2025-05-14
Open the SKO
PhysiologyHigh evidence
The canine estrous cycle, from proestrus to anestrus
Four phases, one long non-seasonal cycle: what defines each stage in the bitch.
8 min·Rev. 2025-04-22
Open the SKO
ImagingHigh evidence
Ultrasound pregnancy diagnosis in the bitch
When to scan, what to see, and why counting fetuses is unreliable.
7 min·Rev. 2025-05-30
Open the SKO
NeonatologyModerate evidence
Neonatal care in puppies, the first 14 days
Thermoregulation, colostrum, and weight monitoring — the three pillars of neonatal survival.
10 min·Rev. 2025-03-11
Open the SKO
AndrologyModerate evidence
Canine semen cryopreservation, fundamentals
From collection to straw: why post-thaw motility alone is not enough.
11 min·Rev. 2025-02-08
Open the SKO
Infectious diseaseHigh evidence
Brucella canis: pre-breeding screening principles
Why serial testing matters and how to interpret an ambiguous result.
8 min·Rev. 2025-05-02
Open the SKO