Avian Coryza

2024-01-23T17:07:22-08:00

Could Coryza be the Cause of Your Clucking and Coughing Chickens? Avian coryza is a bacterial respiratory disease that appears to have become more common in backyard chickens over the last several years. Because it is highly infectious among poultry and typically doesn’t result in high mortality, coryza is rapidly spreading, making it an important disease to understand as a bird owner: The Basics of Coryza Coryza is the short or common name for the Gram-negative bacteria  Avibacterium paragallinarim (formerly called Haemophilus paragallinarum). As you can see, us scientists love our complicated names. There is an “uncomplicated” and “complicated” version

Avian Coryza2024-01-23T17:07:22-08:00

Sour Crop: The Name Says It All!

2023-11-17T19:30:27-08:00

From the name “sour crop” you can deduce the anatomical location (aka the crop) and the smell (aka sour). What and where is the crop? The crop is a pouch (see Figure 1) just “south” of the esophagus, used for softening feed and temporary food storage in prey species (predator avian species typically do not have a crop) of birds including chickens. The purpose of the crop is to allow a bird to quickly swallow what food it can, store it in the crop, then fly to safety and digest the meal. Food enters the crop after exiting the esophagus

Sour Crop: The Name Says It All!2023-11-17T19:30:27-08:00

How to Interpret Misshapen Eggs

2023-04-27T23:03:34-07:00

Misshapen eggs from chickens can be caused by a variety of diseases, conditions, and environmental factors. Here are some of the most common causes of misshapen eggs: Infectious bronchitis: This is a viral respiratory disease that affects chickens and can cause misshapen eggs, as well as reduced egg production and fertility. Egg drop syndrome: This is a viral disease that can cause soft-shelled, misshapen, or shell-less eggs. This disease can also cause a decrease in egg production. While the virus is naturally occurring in waterfowl such as ducks and geese, EDS occasionally finds its way into domestic chickens Avian influenza:

How to Interpret Misshapen Eggs2023-04-27T23:03:34-07:00
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