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Related Concept Videos

Rous Sarcoma Virus (RSV) and Cancer01:03

Rous Sarcoma Virus (RSV) and Cancer

Rous Sarcoma virus or RSV was discovered by F. Peyton Rous in the year 1911 as a filterable transmissible agent that could cause tumors in chickens. He won a Nobel Prize for this discovery in 1966. His experiments clearly demonstrated that some cancers could be caused by infectious agents and led to the discovery of many more cancer-causing viruses in animals as well as humans.
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Rous Sarcoma virus or RSV was discovered by F. Peyton Rous in the year 1911 as a filterable transmissible agent that could cause tumors in chickens. He won a Nobel Prize for this discovery in 1966. His experiments clearly demonstrated that some cancers could be caused by infectious agents and led to the discovery of many more cancer-causing viruses in animals as well as humans.
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Disorders of Leukocytes01:27

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Related Experiment Video

Updated: Jul 2, 2026

A Detailed Protocol for Characterizing the Murine C1498 Cell Line and its Associated Leukemia Mouse Model
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[Leukosis in captive wild birds].

G Loupal1

  • 1Institut fur Pathologie und Gerichtliche Veterinarmedizin der Veterinarmedizinischen Universitat, Wien, Oesterreich.

Avian Pathology : Journal of the W.V.P.A
|October 1, 1984
PubMed
Summary

Leukosis was diagnosed in 26 captive wild birds across 13 species and five orders between 1974 and 1983. The study identified lymphoid, myeloid, and stem cell leukosis, detailing subtypes within these avian cancer categories.

Area of Science:

  • Avian pathology
  • Veterinary oncology
  • Wildlife disease surveillance

Context:

  • A retrospective study of 2589 captive wild birds examined between 1974 and 1983.
  • Focus on the prevalence and types of leukosis in diverse avian species.
  • Historical data collection from a significant captive bird population.

Purpose:

  • To document the incidence and specific diagnoses of leukosis in captive wild birds.
  • To categorize the different forms of lymphoid and myeloid leukosis observed.
  • To provide a baseline understanding of leukosis in avian species during the study period.

Summary:

  • Leukosis was identified in 26 birds from 13 species and five orders.
  • Diagnoses included lymphoid leukosis (11 birds, with lymphoblastic and prolymphocytic subtypes), myeloid leukosis (14 birds, subdivided into poorly and well-differentiated myeloblastosis), and stem cell leukosis (1 bird).

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Last Updated: Jul 2, 2026

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  • Specific species affected by lymphoid leukosis included Melopsittacus undulatus and Psittacus erithacus, while Melopsittacus undulatus also featured prominently in myeloid leukosis cases.

    • Impact:

    • Contributes to the understanding of avian neoplasia, specifically leukosis.
    • Provides valuable data for comparative pathology and disease management in captive bird populations.
    • Highlights the occurrence of different leukosis subtypes across various avian orders.