Division 3 Where necessary, the antibiotics or mixtures of antibiotics with a bactericidal activity at least equivalent to that of the following antibiotics or their mixtures in each ml of semen, may be added to semen or contained in semen diluents:

in the case of semen of bovine and porcine animals, a mixture of lincomycin-spectinomycin (150/300 μg), penicillin (500 IU) and streptomycin (500 μg); or

in the case of semen of ovine and caprine animals, gentamicin (250 μg) or a mixture of penicillin (500 IU) and streptomycin (500 μg); or

a mixture of gentamicin (250 μg), tylosin (50 μg), lincomycin-spectinomycin (150/300 μg), penicillin (500 IU) and streptomycin (500 μg); or

a mixture of amikacin (75 μg) and divekacin (25 μg).