The under-tail check on a young Boer
The reliable way to sex a young Boer goat is to lift the tail and look at what sits underneath it. A female kid has two openings close together: the anus, and just below it a small slit that is the vulva. A male kid has only the anus under the tail, because his urinary opening is not there at all. Work gently with the Boer kid held securely, ideally with a second person holding, and compare siblings if you have both sexes in the same litter, because the contrast makes the difference obvious.
The belly check that confirms a Boer buck kid
A young male Boer goat gives you a second clue along his belly. Partway along the underside you will find the sheath, a small tube of skin pointing toward the head, which no female has. As a buck kid grows over the following weeks, his testicles also become visible as two oval shapes in a pouch beneath the tail. A female Boer has neither the belly sheath nor that pouch, and she may show small teats along the rear belly as she matures. Checking both the tail end and the belly removes most doubt.
Why very young Boer kids catch people out
Newborn Boer goats are small, wriggly, and not built for easy inspection, so mistakes happen in the first day or two. A female's vulva can be tiny and easy to overlook, leading people to call her a male, while a young male's testicles may not yet be obvious enough to settle the question. If a Boer kid's sex is still uncertain after a careful look, mark the record as unconfirmed and check again in a week or two, when everything is bigger and clearer. Guessing and writing it down as fact creates bigger problems than waiting does.
Why getting a Boer kid's sex right matters early
Knowing each young Boer goat's sex early shapes real decisions. Buck kids and doe kids are often fed, housed, and managed differently as they grow, and an unplanned mix later can mean an unexpected breeding. Records for sales, herd books, and health care all start from that first identification. Pairing the sex check with a legible ear tag or a noted marking at the same handling means the Boer kid in the pen always matches the Boer kid in your notes.
Handling Boer kids calmly during the check
A young Boer goat that is handled calmly for sexing learns that people are not frightening, which pays off at every later handling. Keep the check brief, support the kid's body fully rather than dangling it by its legs, and put it straight back with its dam when you are done. Avoid checking in the first frantic minutes after birth unless you need to; once the kid is dry, nursing, and settled, you will both do the job better. A helper holding while you look is worth more than speed.
Recording each kid so the record sticks
The sex of a Boer kid is exactly the kind of small fact that gets lost between the pen and the kitchen table. Write it down at the handling itself, alongside the dam's name and any markings, and have the person who checked confirm it is logged. With KinsLe Care Teams, that newborn identification sits as an assigned job on the person doing the handling, so the Boer kid's details are captured once and shared with everyone helping.