MSD Manual

Please confirm that you are a health care professional

Yes No

Leave this Site?

The link you have selected will take you to a third-party website. We do not control or have responsibility for the content of any third-party site.

Continue Cancel
honeypot link
MSD Manual
Veterinary Manual
The trusted provider of veterinary information since 1955
VETERINARY PET
A
B
C
D
E
F
G
H
I
J
K
L
M
N
O
P
Q
R
S
T
U
V
W
X
Y
Z
Veterinary /
StandaloneMedia /
Drug Withdrawal and Milk Discard Times of Cephalosporins

Drug Withdrawal and Milk Discard Times of Cephalosporins

Cephalosporin

Withdrawal Time

Milk Discard Time

Ceftiofur

2–16 days, depending on formulation

Sodium cephapirin (intramammary)

4 days before slaughter

4 days

Benzathine cephapirin (dry-cow treatment)

42 days after latest infusion

3 days after calving—milk not used for food

MSD and the MSD Veterinary Manual

Merck & Co., Inc., Kenilworth, NJ, USA (known as MSD outside of the US and Canada) is a global healthcare leader working to help the world be well. From developing new therapies that treat and prevent disease to helping people in need, we are committed to improving health and well-being around the world.  The Veterinary Manual was first published in 1955 as a service to the community.  The legacy of this great resource continues in the online and mobile app versions today.

This icon serves as a link to download the eSSENTIAL Accessibility assistive technology app for individuals with physical disabilities. It is featured as part of our commitment to diversity and inclusion.
View Privacy Shield Verification Status
View APEC CBPR Privacy Certification Status

This website is certified by Health On the Net Foundation. Click to verify. This site complies with the HONcode standard for trustworthy health information:
verify here.

© 2021 Merck Sharp & Dohme Corp., a subsidiary of Merck & Co., Inc., Kenilworth, NJ, USA