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Table 4 Frequencies of birth season of cows per birth season of their dam and maternal grand-dam (MGD)

From: Broad phenotypic impact of the effects of transgenerational heat stress in dairy cattle: a study of four consecutive generations

  Cow’s birth season Total
1 2 3
Dam’s birth season
 1 25,249 11,104 10,810 47,163
 2 6583 18,378 14,082 39,043
 3 17,858 9072 38,045 64,975
MGD’s birth season
 1 18,633 12,952 15,781 47,366
 2 9420 12,513 15,584 37,517
 3 21,637 13,089 31,572 66,298
Total 49,690 38,554 62,937 151,181
  1. Birth seasons: 1 from December through March; 2, from April through July; and 3, from August through November
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Genetics Selection Evolution

ISSN: 1297-9686