Merck Manual

Please confirm that you are a health care professional

Yes No
Merck 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 /
Video Sonogram of 18-Day Unilateral Twins
Video Sonogram of 18-Day Unilateral Twins
Video Sonogram of 18-Day Unilateral Twins

Care should be taken to confirm the breeding date of the mare so that these 18-day unilateral twins will not be mistaken for a 30-day singleton.

Courtesy of Dr. Patricia Sertich.
In these topics
Abortion in Horses

Merck and the Merck Veterinary Manual

Merck & Co., Inc., Kenilworth, NJ, USA 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 Merck Veterinary Manual was first published in 1955 as a service to the community.  The legacy of this great resource continues as the Merck Veterinary Manual in the US and Canada and the MSD Manual outside of North America.

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