Image: Trachea with excessive amount of mucus, chicken - Merck Veterinary Manual

Merck 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

skip to main content

Merck Manual

Veterinary Manual

The trusted provider of veterinary information since 1955

A A A

A A A

Species Filter

Topics That Apply to All Animals

Clear Filter Expand All

Amphibians
- Amphibians-Laboratory
- Amphibians-Pet
- Amphibians- Zoo and Wildlife
Birds
- Birds-Pet
- Birds-ZooandWildlife
Cats
- Cats-Pet
- Cats-Shelter
Cattle
- Cattle-Beef
- Cattle-Diary
  - Cattle
Dogs
- Dogs-Pets
- Dogs-Shelter
Ducks
- Ducks-Productions
- Ducks-Zoo and Wildlife
Exotics
- Amphibians
  - Amphibians-Laboratory
  - Amphibians-Pet
  - Amphibians- Zoo and Wildlife
- Birds
  - Birds-Pet
  - Birds-ZooandWildlife
- primates
  - Primates-Laboratory
  - Primates-Zoo and Wildlife
- Rabbits
  - Rabbits-Laboratory
  - Rabbits-Pet
  - Rabbits-Wild and Zoolife
- Reptiles
  - Reptiles-Laboratory
  - Reptiles-Pet
  - Reptiles-ZooAndWildlife
- Rodents
  - Rodents-Laboratory
  - Rodents-Pet
  - Rodents-Zoo and Wildlife
Fish
- Fish-Aquaculture
- Fish-Pet
- Fish-Zoo And Wildlife
Goats
Horses
Llamas and Alpacas
- Alpacas
- Lamas
Pigs
- Pigs-Production
- Pigs-Pet
Poultry
- Chickens-Backyard
- Ducks-Zoo and Wildlife
- Poultry-Production
  - Chickens-Production
  - Ducks-Productions
Rabbits
- Rabbits-Laboratory
- Rabbits-Pet
- Rabbits-Wild and Zoolife
Reptiles
- Reptiles-Laboratory
- Reptiles-Pet
- Reptiles-ZooAndWildlife
Rodents
- Rodents-Laboratory
- Rodents-Pet
- Rodents-Zoo and Wildlife
Sheep
Zoo and Wildlife
- Amphibians- Zoo and Wildlife
- Birds-ZooandWildlife
- Crocodilians
- Primates-Zoo and Wildlife
- Reptiles-ZooAndWildlife
- Rodents-Zoo and Wildlife

Enter search terms to find related veterinary topics, multimedia and more.

Advanced Search:

• Use “ “ for phrases
o [ “canine influenza”]
• Use – to remove results with certain terms
o [pig –guinea]
• Use OR to account for alternate terms
o [alopecia OR “hair loss” ]

HOME
VETERINARY CONTENT
PET HEALTH & WELLNESS
RESOURCES
QUIZZES
ABOUT

Disclaimer Privacy Terms of use Contact Us Human Health Manuals

This site complies with the HONcode standard for trustworthy health information:
verify here.

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

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
Images
Trachea with excessive amount of mucus, chicken

Trachea with excessive amount of mucus, chicken

poufb101_high

Trachea with excessive amount of mucus, chicken

Gasping, coughing, and tracheal rales are due to an excessive amount of mucus in the trachea.

Courtesy of Dr. Pedro Villegas.

In these topics

Infectious Bronchitis in Poultry

Merck & Co., Inc., Rahway, NJ, USA (known as MSD outside of the US and Canada) is dedicated to using the power of leading-edge science to save and improve lives 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 Vet Manual outside of North America.

About
Disclaimer
Permissions
Privacy
Cookie Settings
Terms of use
Licensing
Contact Us
Human Health Manuals

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. M

This site complies with the HONcode standard for trustworthy health information:
verify here.

Copyright © 2022 Merck & Co., Inc., Rahway, NJ, USA and its affiliates. All rights reserved.

IN THIS TOPIC