Table 5 Descriptive information regarding the dry cow antimicrobial products and internal teat sealant used in the study

Tridry^® DC (Kimia Biotechnology Co.)

Each 10 g: containing Cloxacillin (benzathine) 500 mg, Sulfadimidine (sodium) 750 mg, Trimethoprim 125 mg, Oily base q.s. 10 g

Spectramast^® DC (Zoetis Co.),

Each 10 ml: containing Ceftiofur Equivalents (as the hydrochloride salt) 500 mg, Microcrystalline Wax 700 mg, Oleoyl Polyoxylglyceride 500 mg, Cottonseed Oil q.s.

Nafpencin^® DC (Kimia Biotechnology Co.)

Each 10 gr: containing Penicillin G procain 300/000 I.U., Dihydrostreptomycin (sulfate) 100 mg, Nafcillin (sodium) 100 mg, Oily base q.s. 10 g

Cephapirin^® DC (Afarin Darou Co.)

Each 8 gr: containing 300 milligrams of Cephapirin (benzathine)

Cloxamp^® DC (Tolide Darouhaye Dami Iran Co.)

Each 5 gr: containing 500 mg of cloxacillin benzathine and 250 mg of ampicillin trihydrate

Masti seal^® DC (Afarin Darou Co.)

Each 4 gr: containing bismuth subnitrate