Refers to nonpregnant females.

Teams made up of any combination of males and/or females.

(animal science) A term commonly used to refer to a non-pregnant female.

A term commonly used to indicate a non-pregnant female.

not pregnant; a term for the outmoded procedure of reaching into a mare's vagina prior to breeding to open her cervix

A non-pregnant female. It is best to sell an open cow or heifer.

A term commonly used to indicate a nonpregnant female.