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Masti Last® MC

Masti Last® MC

Masti Last® MC

Intramammary infusion

Therapeutically classification: Antibiotic and steroidal Anti-inflammatory

Composition: Each 5 g syringe contains:

Penicillin G procaine



Dihydrostreptomycin (sulfate)



Neomycin (sulfate)



Prednisolone (acetate)



Oily Base q. s.



Target species: Lactating cows


Masti Last® used for control and treatment of mastitis in dairy cows during lactating period.

Mechanism of action:

Penicillin G is an antibiotic of the B-lactam class. It by interfering with the formation of cell wall of the growing bacteria, this weakens the cell wall and kills the bacteria. Penicillin G is active against gram positive and a limited number of gram-negative bacteria.

Neomycin is an antibiotic from the aminoglycoside group with bactericidal activity.  Neomycin has excellent activity against gram-negative bacteria, and has partial activity against gram-positive bacteria. The combination of penicillin G procaine and dihydrostreptomycin has synergistic effect. The combination is active against both gram positive and gram negative bacteria such as Arcanobacterium pyogenes, Erysipelothrix rhusiopathiae, Klebsiella pneumonia, Mannheimia haemolytica, Pasteurella multocida, E. coli, Bacillus anthracis, Actinomyces bovis, Listeria spp., Leptospira spp., Staphylococcus spp., Streptococcus spp., Salmonella spp., Clostridium, Campylobacter spp., Haemophilus, Mycoplasma and Fusobacterium spp. and has a bactericidal action. Prednisolone is a type of steroid medication. It has anti-inflammatory and immunosuppressant effects.

Dosage & Administration:

Clean and disinfect the teat, then infuse one syringe into each quarter at the last lactating. Massage the medication up into the milk cistern. If necessary, be repeated within 12 hours (up to 3 times).

Withdrawal time:

Milk: 4 days after the last treatment

Meat: 10 days after the last treatment


Do not use in dry cows.


Shake well before use.

Allergic reaction to penicillin may occurs in some animals.

Keep out of reach and sight of children.

Use only under the prescription of a veterinarian.


Do not store above 25°C, keep away from light and freezing.  


20×5 g syringes in a box

For veterinary use only