Breeding Guides and Gestation Calendars
Longer-form guides on breeding timelines: when to breed, how long gestation runs, and what to do between the service date and the birth. Every guide links to the calculators that do the arithmetic for you.
Which breeding guide do you need?
- Breeding planning · 7 min readAnimal Breeding Calendar: Gestation Lengths and Due Dates by SpeciesCycle lengths, gestation days and due-date maths for every species in one breeding calendar.
- Cattle · 8 min readCattle Breeding Calendar: From Service Date to Calving DateThe 21-day cycle, 283-day gestation and the checks between service and calving.
- Sheep · 7 min readSheep Breeding Calendar: Tupping Dates, Cycles and Lambing DatesTurn a target lambing month into a tupping date, with the jobs in between.
- Pregnancy signsHow to Tell if Your Animal Is Pregnant: Early Signs & SymptomsWhat shows up first in dogs, cats, cattle, goats, horses and rabbits — and when a vet can confirm it.
Looking for a specific species instead? Use the calculator index or the full gestation chart.