A sexer is a person who can tell if an animal is a boy or a girl.
A sexer is someone who knows a lot about animals and their bodies.
Examples:
The sexer can tell if the baby chickens are boys or girls.
The sexer knows if the baby pigs are boys or girls.
The sexer is very good at telling the animals apart.
The sexer has a special job!
The sexer can tell if an animal is a boy or a girl just by looking.
The sexer is very important on the farm.