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Observations on bacteria associated with pigeon crop.
S Shetty1, K R Sridhar, K B Shenoy
1Department of Biosciences, Mangalore University, India.
Folia Microbiologica
|January 1, 1990
Summary
Pigeon crop microflora, including lactobacilli and streptococci, aids in breaking down dietary fiber. This study identified cellulolytic bacteria in pigeon crops, suggesting their role in digesting plant material.
Area of Science:
- Microbiology
- Animal Science
- Digestive Physiology
Background:
- The crop is a crucial organ in avian digestion, housing a complex microbial community.
- Understanding the pigeon's crop microflora is essential for comprehending nutrient absorption and overall health.
Purpose of the Study:
- To investigate the bacterial composition of pigeon crop contents and pigeon milk.
- To identify bacteria capable of degrading dietary fiber within the pigeon crop.
Main Methods:
- Samples of pigeon crop contents (wash, macerate) and pigeon milk were collected.
- Bacterial counts for lactobacilli, streptococci, and coliforms were determined.
- Cellulolytic activity of isolated bacteria was assessed by their ability to utilize cellulose.
Main Results:
- Streptococci were the predominant bacteria across all tested samples.
- Higher bacterial counts in crop macerate compared to washes indicated bacterial adhesion to the crop wall.
- Four bacterial isolates demonstrated the ability to degrade cellulose, producing reducing sugars.
Conclusions:
- The pigeon's crop microflora plays a significant role in the degradation of dietary fiber.
- Bacterial adhesion to the crop wall is a key factor in maintaining the microbial community.
- The digestive capabilities of the crop microflora contribute to nutrient availability from fibrous food sources.