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Isolation of Embryonic Tissues and Formation of Quail-Chicken Chimeric Organs Using The Thymus Example

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Anatomopathological changes in laying quails.

Débora C Neiva^1,2, Matheus J Dos S Candido¹, Amanda A Assis^1,2

¹Universidade Federal do Espírito Santo/UFES, Hospital Veterinário/HOVET, Centro de Ciências Agrárias e Engenharias/CCAE, Laboratório de Patologia Animal, Km 77, BR 482, Rive, 29500-000 Alegre, ES, Brazil.

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|May 15, 2024

Summary

This summary is machine-generated.

This study surveyed quail health, finding digestive issues and mild parasitic infections were common. Despite moderate bone density loss (osteopenia), no direct bone changes resulted from these infections.

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Area of Science:

Veterinary Pathology
Avian Health
Bone Histomorphometry

Background:

Quail farming is susceptible to various diseases impacting flock health.
Understanding anatomopathological alterations is crucial for disease management in poultry.
Bone tissue integrity can be affected by systemic infections and nutritional deficiencies.

Purpose of the Study:

To survey major anatomopathological findings in farmed quails.
To investigate potential impacts of these alterations on quail bone tissue.
To correlate observed pathologies with bone health indicators.

Main Methods:

Necropsy, microbiological, coproparasitological, radiographic, and histomorphometric analyses were performed on 23 quails.
Descriptive statistics and Student T-tests were used for data analysis.
Macroscopic and microscopic examination of organs and bone tissue.

Main Results:

Predominant lesions were found in the digestive (47% altered liver color), urinary, reproductive, and muscular systems.
Eimeria sp. oocysts (39.13%) and Escherichia coli (83%) were detected.
Moderate osteopenia was observed, but histomorphometry showed no significant difference in trabecular bone percentage between healthy and diseased quails.

Conclusions:

Digestive system alterations and mild parasitic infections were prevalent in the studied quail population.
Moderate osteopenia was present, but histological examination did not reveal bone changes directly linked to the investigated infections.
Further research may be needed to explore multifactorial causes of osteopenia in quails.