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Table 6 Results from different Charolais crosses

From: The scurs inheritance: new insights from the French Charolais breed

  Male progeny Female progeny
Crosses NS S H NS S H
1 P/p Sc/Sc Charolais bull1 × 6 p/p sc/sc Holstein cows2 1 2 1 1 0 1
1 P/p Sc/Sc Charolais bull1 × 5 p/p -/- Montbéliard cows3 0 1 2 2 0 0
Total 1 3 3 3 0 1
1 P/P sc/sc Angus bull × 1 p/p Sc/- Charolais cow4 5 5 0 7 0 0
Total 5 5 0 7 0 0
  1. NS: non-scurred, S: scurred and H: horned.
  2. 1 This scurred bull (#5945 in Figure 1) was assumed to be P/p Sc/Sc according to the inheritance pattern for the scurs locus in the French Charolais breed.
  3. 2 In modern Holstein populations, allele Sc appears to be rare [20].
  4. 3 Data on the frequency of the scurs phenotype in this horned breed are not available.
  5. 4 Family CRBH3 [1, 21]; assuming the specific inheritance of the scurs trait in the French Charolais breed, probabilities that this Charolais dam is p/p Sc/sc as assumed by Asai et al. [1] or p/p Sc/Sc are equal.