Crop Distention

Key

Conclusion
Conclusion
Supplementary information
Supplementary...
Question
Question
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Actions
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Clinical Decision Tree

Attempt to aspirate – contents are likely to be viscous or a solid mass.
Attempt to aspirate – co…
Does the crop feel fluid filled / flocculant?
Does the crop feel fluid…

Does the crop feel doughy / impacted?
Does the crop feel dough…
Aspirate the crop contents and perform cytology
Aspirate the crop conte…
Within normal limits – bird maybe at risk of developing sour crop. 
Within normal limits…
Candidiasis (Sour Crop)
Candidiasis (…
If unable to empty ingluviotomy is indicated for patient comfort
If unable to empty inglu…
Crop Impaction
Crop Impaction
Delayed crop emptying due to secondary crop stasis?
Delayed crop emptying due to s…
Trichomoniasis
Trichomoniasis
Pendulous Crop
Pendulous Crop
Perform FEC to assess endoparasite burden
Perform FEC to as…
Perform imaging (radiographs and / or Ultrasound)
Perform imaging (…
Crop issues can be primary (originating in the crop) or secondary (usually celomic pathology) Simple crop issues can be treated, but in recurrent or persistent cases, consider further investigation for secondary causes.
Crop issues can be primary (originating in t…
Yes
Yes
Overgrowth of yeast  and/or bacteria or motile protozoa
Overgrowth of yeast…
Never invert a bird to aspirate the crop content, there’s a significant risk of aspiration.
Never invert a bird to a…
If ascities present – celomocentesis to relieve pressure on air sacs for patient comfort. Aspirate can be used for cytology and bacteriology
If ascities present – celomocente…
The crop is usually empty in the morning, and as the bird eats throughout the day, the crop fills and periodically empties. Generally the crop should contain food as the birds go to roost.
 Crop pathology may be assumed if the crop is full in a morning when the birds have had no access to food overnight. 
The crop is usually empty in the morning, a…
No
No
Take bloods for CBC, PCV and consider  heavy metal (lead / zinc) toxicity
Take bloods for CBC, PC…
Crop stasis…Coelomitis…Reproductive neoplasia
Egg Yolk Peritonitis
Egg Yolk Peritonitis
Salpingitis…Marek’s Disease…AscaridsCapillaria

GI Obstruction
GI Obstruction…

Lead Toxicity
Lead Toxicity…
Zinc Toxicity
Zinc Toxicity
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