backcroosbackcrossbady surface areabalanced electrolyte solutionbaled haybarnbasement membranebasesbedded areabeefbeef breedsbeefalobeetbeet pulpbenignbilayerbilirubinbiochemicalbioologicalbiopsybirdsfoot trefoilbisonblastomerbleederbloatblockblockybody sizebody storesbondboranbosbovidaebovineboxbrangusbreast railbreedbreed associationbreed averafe herdmatesbreed averagebreed typebreedingbreeding bullbreeding organizationbreeding rackbreeding valuebreweers scpbritish breedsbritish friesian