How Long Are Goats Pregnant? Gestation, Kidding Signs and Preparation

If you're breeding goats, knowing roughly when to expect kids is the easy part. Knowing what to watch for in the days before, and what's actually normal during kidding itself, matters more. This guide draws on Kentucky State University Cooperative Extension's kidding-season guidance, and is general information rather than a substitute for your vet.

Gestation: about 150 days

Goat gestation runs about 150 days on average, with a normal range of roughly 145 to 155 days from mating. Our due-date calculator shows the expected date alongside an earliest and latest date, since the real day varies within that window rather than landing on one fixed number.

Preparing before kidding starts

Extension guidance recommends preparing kidding facilities well in advance — a cleaned, disinfected shelter, a dedicated kidding pen, and pasture that's been rested for the does and kids to move onto afterwards. Does are typically vaccinated against clostridial disease and tetanus (CD&T) about four weeks before kidding is expected, which also raises antibody levels in the colostrum that protects the kids before their own vaccinations. Handling heavily pregnant does should be kept to a minimum in the last three weeks, since does can become more aggressive with each other under stress.

The signs that kidding is close

Not every doe shows every sign, but the documented pattern starts with the udder filling with milk and becoming stiff. Most does separate from the herd at the start of labour and begin nest-building — pawing at bedding or soil to make a depression — and may lie down and stand repeatedly, seemingly unable to get comfortable. Shortly before the water sac appears, a mucus “string” from the tail signals that labour is starting, sometimes alongside a visible relaxing of the hips.

How long kidding takes

The three stages — start of labour, the birth itself, and cleaning out — should complete within 12 to 14 hours in total. Once the water sac is presented, a kid should be delivered within an hour; if that doesn't happen, or the doe keeps showing signs of labour without delivering, she may need assistance. Extension guidance is specific that anyone assisting should use protective gloves, since infection risk is real.

Colostrum: the first hours matter most

A kid needs about 2oz of colostrum within 6 hours of birth and 4 to 6oz within 24 hours — the timing matters because a kid's ability to absorb the protective immunoglobins in colostrum drops over time. If a doe has milk and the kid is nursing well within an hour of birth, it generally won't need additional feeding; a kid that isn't standing or nursing within an hour should be tube-fed colostrum, ideally from its own dam.

Before you breed

A litter of kids multiplies space, feed and cost all at once — our companionship guide already covers group-size planning, and plan my setup can model the numbers for however many you'll have after kidding, not just the doe alone.

Source: Kentucky State University Cooperative Extension, “Goat Management: Kidding Season” by Ken Andries: kysu.edu. Gestation length cross-checked against Oklahoma State/Penn State/UMass extension sources already cited for this site's goat housing figures. Sources checked: September 2026. General information, not veterinary advice.

Common questions

How long is a goat pregnant?

About 150 days on average, with a normal range of roughly 145 to 155 days, counted from mating.

What are the signs a doe is about to kid?

The udder fills with milk and becomes stiff, and most does separate from the herd and begin nest-building — pawing at bedding or soil to make a depression. Restlessness, lying down and standing repeatedly, and a mucus ‘string’ from the tail shortly before the water sac appears are all documented signs, though not every doe shows all of them.

How long does kidding take?

The whole process — start of labour, birth, and cleaning out — should be complete within 12 to 14 hours. Once the water sac appears, a kid should be delivered within an hour; if not, or if the doe keeps showing signs of labour without delivering, assistance may be needed.

How much colostrum does a newborn kid need?

About 2oz within 6 hours of birth and 4 to 6oz within 24 hours, since a kid's ability to absorb the protective immunoglobins in colostrum decreases over time. If a kid is nursing well within an hour of birth, it generally won't need additional feeding.