Blood Percentages of Common Inbreeding Patterns

Blood Percentage is related to Coefficient of Relationship (COR) and Coefficient of Inbreeding (COI).

  • Both COR and COI are measure of purity or homogeneity of a mating.
  • While Blood Percentage is typically used by beginners in placed of COR and COI.

Without proper selection, the following will be irrelevant:

  1. Coefficient of Relationship
  2. Coefficient of Inbreeding
  3. Blood Percentage

For gamecock chickens, do not forget these CORE selection criteria:

  • Gameness and Intelligence
  • Health and Fitness
  • Conformation and Posture
  • Strength and Accuracy
  • Quickness and Balance
  • Endurance and Stamina
  • Pedigree and Performance

Focus on selection, while keeping homogeneity in mind, to develop your best gamecock chicken strain.

Now, let us see the blood percentage comparison of the following:

  1. Full Sibling Inbreeding
    • Brother and Sister Generations
  2. Original Parent Line Inbreeding
    • Male Line Generations
    • Female Line Generations
  3. Latest and Previous Generation Inbreeding
    • Cyclic Generations




poultry gamefowl chicken gamecock

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